1
0
mirror of https://github.com/tommytran732/Linux-Setup-Scripts synced 2024-11-23 01:41:34 -05:00

Compare commits

..

8 Commits

Author SHA1 Message Date
db0046bc8b
Consistency fix
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 13:29:04 -07:00
64660867fe
Typo fix
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 13:17:59 -07:00
1cf3207c3b
Remove Fedora 39 script
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 12:47:45 -07:00
a6a3c40ee5
Remove extra space
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 12:18:44 -07:00
b60c44327e
Remove duplicated commands
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 11:49:50 -07:00
3f1e06060b
Disable unnecessary check
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 11:48:39 -07:00
dd36a08579
Remove unmaintained scripts
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 11:47:46 -07:00
912c884841
Move networking setup to the end of the scripts
Signed-off-by: Tommy <contact@tommytran.io>
2024-04-28 11:47:36 -07:00
9 changed files with 57 additions and 916 deletions

View File

@ -1,280 +0,0 @@
#!/bin/bash
# Copyright (C) 2021-2024 Thien Tran
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#Please note that this is how I PERSONALLY setup my computer - I do some stuff such as not using anything to download GNOME extensions from extensions.gnome.org and installing the extensions as a package instead
output(){
echo -e '\e[36m'"$1"'\e[0m';
}
unpriv(){
sudo -u nobody "$@"
}
install_options(){
output "Are you using a Parallels Virtual Machine?"
output "[1] Yes"
output "[2] No"
read -r choice
case $choice in
1 ) parallels=1
;;
2 ) parallels=0
;;
* ) output "You did not enter a valid selection."
install_options
esac
}
# Increase compression level
sudo sed -i 's/zstd:1/zstd:3/g' /etc/fstab
# Compliance
sudo systemctl mask debug-shell.service
sudo systemctl mask kdump.service
# Setting umask to 077
umask 077
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
echo 'umask 077' | sudo tee -a /etc/bashrc
# Make home directory private
sudo chmod 700 /home/*
# Setup NTS
sudo rm -rf /etc/chrony.conf
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
sudo systemctl restart chronyd
# Setup Networking
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
sudo firewall-cmd --set-default-zone=block
sudo firewall-cmd --permanent --add-service=dhcpv6-client
sudo firewall-cmd --reload
sudo firewall-cmd --lockdown-on
# Remove nullok
sudo /usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
# Harden SSH
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
# Security kernel settings
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
sudo dracut -f
sudo sysctl -p
install_options
if [ -d /boot/loader ]; then
if [ "${parallels}" = "1" ]; then
sudo sed -i 's/quiet root/quiet mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off root/g' /etc/kernel/cmdline
else
sudo sed -i 's/quiet root/quiet mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1 root/g' /etc/kernel/cmdline
fi
sudo dnf -y reinstall kernel-core
else
if [ "${parallels}" = "1" ]; then
sudo grubby --update-kernel=ALL --args='mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off'
else
sudo grubby --update-kernel=ALL --args='mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1'
fi
fi
# Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl restart NetworkManager
# Disable XWayland
umask 022
sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/user/org.gnome.Shell%40wayland.service.d/override.conf | sudo tee /etc/systemd/user/org.gnome.Shell@wayland.service.d/override.conf
umask 077
# Setup dconf
umask 022
mkdir -p /etc/dconf/db/local.d/locks
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/automount-disable | sudo tee /etc/dconf/db/local.d/locks/automount-disable
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/privacy | sudo tee /etc/dconf/db/local.d/locks/privacy
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/adw-gtk3-dark | sudo tee /etc/dconf/db/local.d/adw-gtk3-dark
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/automount-disable | sudo tee /etc/dconf/db/local.d/automount-disable
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/button-layout | sudo tee /etc/dconf/db/local.d/button-layout
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/prefer-dark | sudo tee /etc/dconf/db/local.d/prefer-dark
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/privacy | sudo tee /etc/dconf/db/local.d/privacy
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | sudo tee /etc/dconf/db/local.d/touchpad
sudo dconf update
umask 077
# Setup ZRAM
echo -e '[zram0]\nzram-fraction = 1\nmax-zram-size = 8192\ncompression-algorithm = zstd' | sudo tee /etc/systemd/zram-generator.conf
# Speed up DNF
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf
sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/*
# Remove firefox packages
sudo dnf -y remove fedora-bookmarks fedora-chromium-config firefox mozilla-filesystem
# Remove Network + hardware tools packages
sudo dnf -y remove '*cups' nmap-ncat nfs-utils nmap-ncat openssh-server net-snmp-libs net-tools opensc traceroute rsync tcpdump teamd geolite2* mtr dmidecode sgpio
#Remove support for some languages and spelling
sudo dnf -y remove ibus-typing-booster '*speech*' '*zhuyin*' '*pinyin*' '*kkc*' '*m17n*' '*hangul*' '*anthy*' words
#Remove codec + image + printers
sudo dnf -y remove openh264 ImageMagick* sane* simple-scan
#Remove Active Directory + Sysadmin + reporting tools
sudo dnf -y remove 'sssd*' realmd adcli cyrus-sasl-plain cyrus-sasl-gssapi mlocate quota* dos2unix kpartx sos abrt samba-client gvfs-smb
#Remove vm and virtual stuff
sudo dnf -y remove 'podman*' '*libvirt*' 'open-vm*' qemu-guest-agent 'hyperv*' spice-vdagent virtualbox-guest-additions vino xorg-x11-drv-vmware xorg-x11-drv-amdgpu
#Remove NetworkManager
sudo dnf -y remove NetworkManager-pptp-gnome NetworkManager-ssh-gnome NetworkManager-openconnect-gnome NetworkManager-openvpn-gnome NetworkManager-vpnc-gnome ppp* ModemManager
#Remove Gnome apps
sudo dnf remove -y chrome-gnome-shell eog gnome-photos gnome-connections gnome-tour gnome-themes-extra gnome-screenshot gnome-remote-desktop gnome-font-viewer gnome-calculator gnome-calendar gnome-contacts \
gnome-maps gnome-weather gnome-logs gnome-boxes gnome-disk-utility gnome-clocks gnome-color-manager gnome-characters baobab totem \
gnome-shell-extension-background-logo gnome-shell-extension-apps-menu gnome-shell-extension-launch-new-instance gnome-shell-extension-places-menu gnome-shell-extension-window-list \
gnome-classic* gnome-user* gnome-text-editor loupe
#Remove apps
sudo dnf remove -y rhythmbox yelp evince libreoffice* cheese file-roller* mediawriter
#Remove other packages
sudo dnf remove -y lvm2 rng-tools thermald '*perl*' yajl
# Disable openh264 repo
sudo dnf config-manager --set-disabled fedora-cisco-openh264
# Update packages
sudo dnf -y upgrade
# Install packages that I use
sudo dnf -y install adw-gtk3-theme gnome-console gnome-shell-extension-appindicator gnome-shell-extension-blur-my-shell gnome-shell-extension-background-logo
# Setup Flatpak
sudo flatpak override --system --nosocket=x11 --nosocket=fallback-x11 --nosocket=pulseaudio --nosocket=session-bus --nosocket=system-bus --unshare=network --unshare=ipc --nofilesystem=host:reset --nodevice=input --nodevice=shm --nodevice=all --no-talk-name=org.freedesktop.Flatpak --no-talk-name=org.freedesktop.systemd1 --no-talk-name=ca.desrt.dconf --no-talk-name=org.gnome.Shell.Extensions
flatpak override --user --nosocket=x11 --nosocket=fallback-x11 --nosocket=pulseaudio --nosocket=session-bus --nosocket=system-bus --unshare=network --unshare=ipc --nofilesystem=host:reset --nodevice=input --nodevice=shm --nodevice=all --no-talk-name=org.freedesktop.Flatpak --no-talk-name=org.freedesktop.systemd1 --no-talk-name=ca.desrt.dconf --no-talk-name=org.gnome.Shell.Extensions
flatpak remote-add --if-not-exists --user flathub https://dl.flathub.org/repo/flathub.flatpakrepo
flatpak --user install org.gnome.Extensions com.github.tchx84.Flatseal org.gnome.Loupe -y
flatpak --user override com.github.tchx84.Flatseal --filesystem=/var/lib/flatpak/app:ro --filesystem=xdg-data/flatpak/app:ro --filesystem=xdg-data/flatpak/overrides:create
flatpak --user override org.gnome.Extensions --talk-name=org.gnome.Shell.Extensions
flatpak update -y
# Install Microsoft Edge if x86_64
MACHINE_TYPE=$(uname -m)
if [ "${MACHINE_TYPE}" == 'x86_64' ]; then
umask 022
output 'x86_64 machine, installing Microsoft Edge.'
echo '[microsoft-edge]
name=microsoft-edge
baseurl=https://packages.microsoft.com/yumrepos/edge/
enabled=1
gpgcheck=1
gpgkey=https://packages.microsoft.com/keys/microsoft.asc' | sudo tee /etc/yum.repos.d/microsoft-edge.repo
sudo dnf install -y microsoft-edge-stable
sudo mkdir -p /etc/opt/edge/policies/managed/ /etc/opt/edge/policies/recommended/
unpriv curl https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/managed.json | sudo tee /etc/opt/edge/policies/managed/managed.json
unpriv curl https://raw.githubusercontent.com/TommyTran732/Microsoft-Edge-Policies/main/Linux/recommended.json | sudo tee /etc/opt/edge/policies/recommended/recommended.json
sudo mkdir -p /usr/local/share/applications
sed 's/^Exec=\/usr\/bin\/microsoft-edge-stable/& --ozone-platform-hint=auto --start-maximized/g' /usr/share/applications/microsoft-edge.desktop | sudo tee /usr/local/share/applications/microsoft-edge.desktop
umask 077
fi
# Enable auto TRIM
sudo systemctl enable fstrim.timer
# Setup fwupd
echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
sudo systemctl restart fwupd
### Differentiating bare metal and virtual installs
# Installing tuned first here because virt-what is 1 of its dependencies anyways
sudo dnf install tuned -y
virt_type=$(virt-what)
if [ "$virt_type" = '' ]; then
output 'Virtualization: Bare Metal.'
elif [ "$virt_type" = 'openvz lxc' ]; then
output 'Virtualization: OpenVZ 7.'
elif [ "$virt_type" = 'xen xen-hvm' ]; then
output 'Virtualization: Xen-HVM.'
elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
output 'Virtualization: Xen-HVM on AWS.'
else
output "Virtualization: $virt_type."
fi
# Setup tuned
if [ "$virt_type" = '' ]; then
# Don't know whether using tuned would be a good idea on a laptop, power-profiles-daemon should be handling performance tuning IMO.
sudo dnf remove tuned -y
else
if [ "$virt_type" = 'kvm' ]; then
sudo dnf install qemu-guest-agent -y
fi
sudo tuned-adm profile virtual-guest
fi
# Setup real-ucode and hardened_malloc
if [ "$virt_type" = '' ] || [ "${MACHINE_TYPE}" == 'x86_64' ]; then
sudo dnf install 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm' -y
sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo
if [ "${MACHINE_TYPE}" != 'x86_64' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware
sudo dnf install real-ucode -y
sudo dracut -f
elif [ "$virt_type" != '' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,hardened_malloc
sudo dnf install hardened_malloc -y
else
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware,hardened_malloc
sudo dnf install real-ucode hardened_malloc -y
echo 'libhardened_malloc.so' | sudo tee /etc/ld.so.preload
sudo dracut -f
fi
elif [ "${MACHINE_TYPE}" == 'aarch64' ]; then
sudo dnf copr enable secureblue/hardened_malloc -y
sudo dnf install hardened_malloc -y
fi
output 'The script is done. You can also remove gnome-terminal since gnome-console will replace it.'

View File

@ -61,17 +61,6 @@ unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/m
sudo systemctl restart chronyd
# Setup Networking
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
sudo firewall-cmd --set-default-zone=block
sudo firewall-cmd --permanent --add-service=dhcpv6-client
sudo firewall-cmd --reload
sudo firewall-cmd --lockdown-on
# Remove nullok
sudo /usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
@ -85,11 +74,11 @@ sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
sudo dracut -f
sudo sysctl -p
@ -113,11 +102,6 @@ fi
# Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl restart NetworkManager
# Disable XWayland
umask 022
sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d
@ -144,7 +128,7 @@ umask 077
# Setup ZRAM
echo -e '[zram0]\nzram-fraction = 1\nmax-zram-size = 8192\ncompression-algorithm = zstd' | sudo tee /etc/systemd/zram-generator.conf
# Speed up DNF
# Setup DNF
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf
sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/*
@ -277,4 +261,21 @@ elif [ "${MACHINE_TYPE}" == 'aarch64' ]; then
sudo dnf install hardened_malloc -y
fi
# Setup Networking
sudo firewall-cmd --set-default-zone=block
sudo firewall-cmd --permanent --add-service=dhcpv6-client
sudo firewall-cmd --reload
sudo firewall-cmd --lockdown-on
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart NetworkManager
output 'The script is done. You can also remove gnome-terminal since gnome-console will replace it.'

View File

@ -1,40 +0,0 @@
#!/bin/bash
# Copyright (C) 2021-2024 Thien Tran
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#Run this after GCP-Debian-11.sh
output(){
echo -e '\e[36m'"$1"'\e[0m';
}
unpriv(){
sudo -u nobody "$@"
}
# Install Docker
sudo mkdir -m 0755 -p /etc/apt/keyrings
unpriv curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update
sudo apt -y --no-install-recommends install docker-ce
# Install gVisor
unpriv curl -fsSL https://gvisor.dev/archive.key | sudo gpg --dearmor -o /usr/share/keyrings/gvisor-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/gvisor-archive-keyring.gpg] https://storage.googleapis.com/gvisor/releases release main" | sudo tee /etc/apt/sources.list.d/gvisor.list > /dev/null
sudo apt update
sudo apt -y --no-install-recommends install runsc
sudo runsc installl
sudo systemctl restart docker

View File

@ -1,209 +0,0 @@
#!/bin/bash
# Copyright (C) 2021-2024 Thien Tran
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
output(){
echo -e '\e[36m'"$1"'\e[0m';
}
unpriv(){
sudo -u nobody "$@"
}
# Compliance and updates
sudo systemctl mask debug-shell.service
## Avoid phased updates
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/apt.conf.d/99sane-upgrades | sudo tee /etc/apt/apt.conf.d/99sane-upgrades
sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades
sudo apt update
sudo apt full-upgrade -y
sudo apt autoremove -y
# Make home directory private
sudo chmod 700 /home/*
# Setup NTS
sudo rm -rf /etc/chrony/chrony.conf
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
sudo systemctl restart chronyd
# Setup repositories
sudo find /etc/apt/sources.list.d -type f -exec sudo sed -i 's/http:/https:/g' {} \;
# Setup ufw
sudo apt install ufw -y
sudo ufw enable
sudo ufw allow OpenSSH
# Harden SSH
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config.d/10-custom.conf | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
sudo mkdir -p /etc/systemd/system/ssh.service.d
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/local.conf | sudo tee /etc/systemd/system/ssh.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl restart sshd
# Kernel Hardening
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/# install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/# install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv4.icmp_echo_ignore_all=1/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv6.icmp.echo_ignore_all=1/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo sysctl -p
# Rebuild initramfs
sudo update-initramfs -u
# Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# System Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
# Update GRUB config
# shellcheck disable=SC2016
echo 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off"' | sudo tee -a /etc/grub.d/40_custom
sudo update-grub
# Setup tuned
sudo dnf install tuned -y
sudo tuned-adm profile virtual-guest
# Enable fstrim.timer
sudo systemctl enable --now fstrim.timer
### Differentiating bare metal and virtual installs
# Installing tuned first here because virt-what is 1 of its dependencies anyways
sudo apt install tuned -y
virt_type=$(virt-what)
if [ "$virt_type" = "" ]; then
output 'Virtualization: Bare Metal.'
elif [ "$virt_type" = 'openvz lxc' ]; then
output 'Virtualization: OpenVZ 7.'
elif [ "$virt_type" = 'xen xen-hvm' ]; then
output 'Virtualization: Xen-HVM.'
elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
output 'Virtualization: Xen-HVM on AWS.'
else
output "Virtualization: $virt_type."
fi
# Setup tuned
if [ "$virt_type" = "" ]; then
sudo tuned-adm profile latency-performance
else
sudo tuned-adm profile virtual-guest
fi
# Setup fwupd
if [ "$virt_type" = '' ]; then
sudo apt install fwupd -y
echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
sudo systemctl restart fwupd
mkdir -p /etc/systemd/system/fwupd-refresh.service.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl enable --now fwupd-refresh.timer
fi
# Setup unbound
sudo apt instal unbound resolvconf -y
echo 'server:
trust-anchor-signaling: yes
root-key-sentinel: yes
tls-cert-bundle: /etc/ssl/certs/ca-certificates.crt
hide-identity: yes
hide-trustanchor: yes
hide-version: yes
deny-any: yes
harden-algo-downgrade: yes
harden-large-queries: yes
harden-referral-path: yes
ignore-cd-flag: yes
max-udp-size: 3072
module-config: "validator iterator"
qname-minimisation-strict: yes
unwanted-reply-threshold: 10000000
use-caps-for-id: yes
outgoing-port-permit: 1024-65535
prefetch: yes
prefetch-key: yes
forward-zone:
name: "."
forward-tls-upstream: yes
forward-addr: 1.1.1.2@853#security.cloudflare-dns.com
forward-addr: 1.0.0.2@853#security.cloudflare-dns.com
forward-addr: 2606:4700:4700::1112@853#security.cloudflare-dns.com
forward-addr: 2606:4700:4700::1002@853#security.cloudflare-dns.com' | sudo tee /etc/unbound/unbound.conf.d/custom.conf
mkdir -p /etc/systemd/system/unbound.service.d
echo $'[Service]
CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW
MemoryDenyWriteExecute=true
NoNewPrivileges=true
PrivateDevices=true
PrivateTmp=true
ProtectHome=true
ProtectClock=true
ProtectControlGroups=true
ProtectKernelLogs=true
ProtectKernelModules=true
# This breaks using socket options like \'so-rcvbuf\'. Explicitly disable for visibility.
ProtectKernelTunables=false
ProtectProc=invisible
RestrictAddressFamilies=AF_INET AF_INET6 AF_NETLINK AF_UNIX
RestrictRealtime=true
SystemCallArchitectures=native
SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module mount @obsolete @resources
RestrictNamespaces=yes
LockPersonality=yes
RestrictSUIDSGID=yes
ReadWritePaths=@UNBOUND_RUN_DIR@ @UNBOUND_CHROOT_DIR@
# Below rules are needed when chroot is enabled (usually it\'s enabled by default).
# If chroot is disabled like chroot: "" then they may be safely removed.
TemporaryFileSystem=@UNBOUND_CHROOT_DIR@/dev:ro
TemporaryFileSystem=@UNBOUND_CHROOT_DIR@/run:ro
BindReadOnlyPaths=-/run/systemd/notify:@UNBOUND_CHROOT_DIR@/run/systemd/notify
BindReadOnlyPaths=-/dev/urandom:@UNBOUND_CHROOT_DIR@/dev/urandom
BindPaths=-/dev/log:@UNBOUND_CHROOT_DIR@/dev/log' | sudo tee /etc/systemd/system/unbound.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl restart unbound
sudo systemctl disable systemd-resolved
sudo reboot

View File

@ -29,10 +29,6 @@ sudo apt full-upgrade -y
# Install all tools
sudo apt install kali-linux-everything -y
# Setup UFW
sudo apt install ufw -y
sudo ufw enable
# Kernel hardening
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
@ -52,11 +48,8 @@ sudo update-initramfs -u
# Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# System Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
# Update GRUB config
# shellcheck disable=SC2016
echo 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality"' | sudo tee -a /etc/grub.d/40_custom
sudo update-grub
@ -84,4 +77,13 @@ else
fi
# Enable fstrim.timer
sudo systemctl enable --now fstrim.timer
sudo systemctl enable --now fstrim.timer
# Setup Networking
sudo apt install ufw -y
sudo ufw enable
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart NetworkManager

View File

@ -1,231 +0,0 @@
#!/bin/bash
# Copyright (C) 2021-2024 Thien Tran
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
output(){
echo -e '\e[36m'"$1"'\e[0m';
}
unpriv(){
sudo -u nobody "$@"
}
# Compliance
sudo systemctl mask debug-shell.service
sudo systemctl mask kdump.service
# Setup NTS
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
sudo systemctl restart chronyd
# Make home directory private
sudo chmod 700 /home/*
# Setup Firewalld
sudo firewall-cmd --permanent --remove-service=cockpit
sudo firewall-cmd --reload
sudo firewall-cmd --lockdown-on
# Remove nullok
sudo /usr/bin/sed -i 's/\s+nullok//g' /etc/pam.d/system-auth
# Harden SSH
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config.d/10-custom.conf | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/local.conf | sudo tee /etc/systemd/system/sshd.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl restart sshd
# Kernel hardening
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/# install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/# install btusb/install btusb/g' /etc/modprobe.d/30_security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv4.icmp_echo_ignore_all=1/net.ipv4.icmp_echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net.ipv6.icmp.echo_ignore_all=1/net.ipv6.icmp.echo_ignore_all=0/g' /etc/sysctl.d/990-security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo dracut -f
sudo sysctl -p
sudo grubby --update-kernel=ALL --args='mitigations=auto,nosmt spectre_v2=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1'
# Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart NetworkManager
sudo mkdir -p /etc/systemd/system/irqbalance.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf | sudo tee /etc/systemd/system/irqbalance.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart irqbalance
# Remove packages
sudo dnf remove baobab chrome-gnome-shell evince firefox gedit gnome-calculator gnome-characters gnome-font-viewer gnome-screenshot gnome-tour qemu-guest-agent 'sssd*' 'yelp*'
# Setup dnf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf
sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/*
# Setup unbound
sudo dnf install unbound -y
echo 'server:
chroot: ""
auto-trust-anchor-file: "/var/lib/unbound/root.key"
trust-anchor-signaling: yes
root-key-sentinel: yes
tls-ciphers: "PROFILE=SYSTEM"
hide-http-user-agent: yes
hide-identity: yes
hide-trustanchor: yes
hide-version: yes
deny-any: yes
harden-algo-downgrade: yes
harden-large-queries: yes
harden-referral-path: yes
ignore-cd-flag: yes
max-udp-size: 3072
module-config: "validator iterator"
qname-minimisation-strict: yes
unwanted-reply-threshold: 10000000
use-caps-for-id: yes
outgoing-port-permit: 1024-65535
prefetch: yes
prefetch-key: yes
forward-zone:
name: "."
forward-tls-upstream: yes
forward-addr: 1.1.1.2@853#security.cloudflare-dns.com
forward-addr: 1.0.0.2@853#security.cloudflare-dns.com
forward-addr: 2606:4700:4700::1112@853#security.cloudflare-dns.com
forward-addr: 2606:4700:4700::1002@853#security.cloudflare-dns.com' | sudo tee /etc/unbound/unbound.conf
mkdir -p /etc/systemd/system/unbound.service.d
echo $'[Service]
MemoryDenyWriteExecute=true
PrivateDevices=true
PrivateTmp=true
ProtectHome=true
ProtectClock=true
ProtectControlGroups=true
ProtectKernelLogs=true
ProtectKernelModules=true
# This breaks using socket options like \'so-rcvbuf\'. Explicitly disable for visibility.
ProtectKernelTunables=true
ProtectProc=invisible
RestrictAddressFamilies=AF_INET AF_INET6 AF_NETLINK AF_UNIX
RestrictRealtime=true
SystemCallArchitectures=native
SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module mount @obsolete @resources
RestrictNamespaces=yes
LockPersonality=yes' | sudo tee /etc/systemd/system/unbound.service.d/override.conf
sudo systemctl enable --now unbound
# Setup yara
sudo dnf install -y yara
sudo insights-client --collector malware-detection
sudo sed -i 's/test_scan: true/test_scan: false/' /etc/insights-client/malware-detection-config.yml
# Setup automatic updates
sudo sed -i 's/apply_updates = no/apply_updates = yes\nreboot = when-needed/g' /etc/dnf/automatic.conf
sudo systemctl enable --now dnf-automatic.timer
# Enable fstrim.timer
sudo systemctl enable --now fstrim.timer
### Differentiating bare metal and virtual installs
# Installing tuned first here because virt-what is 1 of its dependencies anyways
sudo dnf install tuned -y
virt_type=$(virt-what)
if [ "$virt_type" = '' ]; then
output 'Virtualization: Bare Metal.'
elif [ "$virt_type" = 'openvz lxc' ]; then
output 'Virtualization: OpenVZ 7.'
elif [ "$virt_type" = 'xen xen-hvm' ]; then
output 'Virtualization: Xen-HVM.'
elif [ "$virt_type" = 'xen xen-hvm aws' ]; then
output 'Virtualization: Xen-HVM on AWS.'
else
output "Virtualization: $virt_type."
fi
# Setup tuned
if [ "$virt_type" = '' ]; then
sudo tuned-adm profile latency-performance
if [ "$virt_type" = 'kvm' ]; then
sudo dnf install qemu-guest-agent -y
fi
else
sudo tuned-adm profile virtual-guest
fi
# Setup real-ucode and hardened_malloc
if [ "$virt_type" = '' ] || [ "${MACHINE_TYPE}" == 'x86_64' ]; then
sudo dnf install 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm' -y
sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo
if [ "${MACHINE_TYPE}" != 'x86_64' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware
sudo dnf install real-ucode -y
sudo dracut -f
elif [ "$virt_type" != '' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,hardened_malloc
sudo dnf install hardened_malloc -y
else
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware,hardened_malloc
sudo dnf install real-ucode hardened_malloc -y
echo 'libhardened_malloc.so' | sudo tee /etc/ld.so.preload
sudo dracut -f
fi
elif [ "${MACHINE_TYPE}" == 'aarch64' ]; then
sudo dnf copr enable secureblue/hardened_malloc -y
sudo dnf install hardened_malloc -y
fi
# Setup fwupd
if [ "$virt_type" = '' ]; then
sudo dnf install fwupd -y
echo 'UriSchemes=file;https' | sudo tee -a /etc/fwupd/fwupd.conf
sudo systemctl restart fwupd
mkdir -p /etc/systemd/system/fwupd-refresh.service.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/system/fwupd-refresh.service.d/override.conf | sudo tee /etc/systemd/system/fwupd-refresh.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl enable --now fwupd-refresh.timer
fi

View File

@ -51,13 +51,6 @@ sudo apt install -y chrony
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
sudo systemctl restart chronyd
# Setup UFW
# UFW Snap is strictly confined, unlike its .deb counterpart
sudo apt purge -y ufw
sudo snap install ufw
sudo ufw enable
sudo ufw allow SSH
# Harden SSH
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config.d/10-custom.conf | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
@ -222,4 +215,12 @@ sudo systemctl daemon-reload
sudo systemctl restart unbound
sudo systemctl disable systemd-resolved
# Setup Networking
# UFW Snap is strictly confined, unlike its .deb counterpart
sudo apt purge -y ufw
sudo snap install ufw
sudo ufw enable
sudo ufw allow SSH
sudo reboot

View File

@ -52,19 +52,6 @@ sudo apt install -y chrony
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
sudo systemctl restart chronyd
# Setup Networking
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
# Setup UFW
#UFW Snap is strictly confined, unlike its .deb counterpart
sudo apt purge -y ufw
sudo snap install ufw
sudo ufw enable
# Harden SSH
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
@ -94,8 +81,6 @@ echo 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mitigations=auto,nosmt spectre_v2=
sudo update-grub
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo mkdir -p /etc/systemd/system/irqbalance.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf | sudo tee /etc/systemd/system/irqbalance.service.d/99-brace.conf
@ -224,4 +209,22 @@ else
sudo apt install qemu-guest-agent -y
fi
sudo tuned-adm profile virtual-guest
fi
fi
# Setup Networking
# UFW Snap is strictly confined, unlike its .deb counterpart
sudo apt purge -y ufw
sudo snap install ufw
sudo ufw enable
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl daemon-reload
sudo systemctl restart NetworkManager

View File

@ -1,106 +0,0 @@
#!/bin/bash
# Copyright (C) 2021-2024 Thien Tran
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#Please note that this is how I PERSONALLY setup my computer - I do some stuff such as not using anything to download GNOME extensions from extensions.gnome.org and installing the extensions as a package instead
# Meant to run as the normal user - other stuff needs to be done with transactional-update shell
output(){
echo -e '\e[36m'"$1"'\e[0m';
}
unpriv(){
sudo -u nobody "$@"
}
# Compliance
sudo systemctl mask debug-shell.service
sudo systemctl mask kdump.service
# Make home directory private
sudo chmod 700 /home/*
# Setup NTS
sudo rm -rf /etc/chrony/chrony.conf
unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
sudo systemctl restart chronyd
# Setup Networking
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
sudo nmcli general reload conf
sudo hostnamectl hostname 'localhost'
sudo hostnamectl --transient hostname ''
sudo firewall-cmd --set-default-zone=block
sudo firewall-cmd --permanent --add-service=dhcpv6-client
sudo firewall-cmd --reload
sudo firewall-cmd --lockdown-on
# Harden SSH
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
# Security kernel settings
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
unpriv curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
# Disable coredump
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
# Systemd Hardening
sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
unpriv curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
sudo systemctl restart NetworkManager
# Disable XWayland
umask 022
sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/user/org.gnome.Shell%40wayland.service.d/override.conf | sudo tee /etc/systemd/user/org.gnome.Shell@wayland.service.d/override.conf
umask 077
# Setup dconf
umask 022
mkdir -p /etc/dconf/db/local.d/locks
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/automount-disable | sudo tee /etc/dconf/db/local.d/locks/automount-disable
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/privacy | sudo tee /etc/dconf/db/local.d/locks/privacy
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/automount-disable | sudo tee /etc/dconf/db/local.d/automount-disable
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/button-layout | sudo tee /etc/dconf/db/local.d/button-layout
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/prefer-dark | sudo tee /etc/dconf/db/local.d/prefer-dark
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/privacy | sudo tee /etc/dconf/db/local.d/privacy
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | sudo tee /etc/dconf/db/local.d/touchpad
sudo dconf update
umask 077
# Setup Flatpak
sudo flatpak override --system --nosocket=x11 --nosocket=fallback-x11 --nosocket=pulseaudio --unshare=network --unshare=ipc --nofilesystem=host:reset --nodevice=input --nodevice=shm --nodevice=all --no-talk-name=org.freedesktop.Flatpak --no-talk-name=org.freedesktop.systemd1 --no-talk-name=ca.desrt.dconf --no-talk-name=org.gnome.Shell.Extensions
flatpak override --user --nosocket=x11 --nosocket=fallback-x11 --nosocket=pulseaudio --unshare=network --unshare=ipc --nofilesystem=host:reset --nodevice=input --nodevice=shm --nodevice=all --no-talk-name=org.freedesktop.Flatpak --no-talk-name=org.freedesktop.systemd1 --no-talk-name=ca.desrt.dconf --no-talk-name=org.gnome.Shell.Extensions
flatpak remote-add --if-not-exists --user flathub https://dl.flathub.org/repo/flathub.flatpakrepo
flatpak --user install com.github.tchx84.Flatseal org.gnome.Loupe -y
flatpak --user override com.github.tchx84.Flatseal --filesystem=/var/lib/flatpak/app:ro --filesystem=xdg-data/flatpak/app:ro --filesystem=xdg-data/flatpak/overrides:create
flatpak update -y