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mirror of https://github.com/tommytran732/Linux-Setup-Scripts synced 2024-12-23 07:12:07 -05:00

Use custom config & SecureBlue whenever possible on Fedora

Signed-off-by: Tommy <contact@tommytran.io>
This commit is contained in:
Tommy 2024-06-04 04:23:30 -07:00
parent 603738ff45
commit 236f650566
Signed by: Tomster
GPG Key ID: 555C902A34EC968F
2 changed files with 35 additions and 57 deletions

View File

@ -63,20 +63,10 @@ sudo systemctl daemon-reload
sudo systemctl restart sshd
# 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/#[[:space:]]*install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#[[:space:]]*install bluetooth/install bluetooth/g' /etc/modprobe.d/30_security-misc.conf
sudo sed -i 's/#[[:space:]]*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[[:space:]]*=.*/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
sudo sed -i 's/net\.ipv4\.icmp_echo_ignore_all[[:space:]]*=.*/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[[:space:]]*=.*/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
unpriv curl https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf | sudo tee /etc/modprobe.d/server-blacklist.conf
sudo chmod 644 /etc/modprobe.d/server-blacklist.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-server.conf | sudo tee /etc/sysctl.d/99-server.conf
sudo chmod 644 /etc/sysctl.d/99-server.conf
sudo dracut -f
sudo sysctl -p
@ -88,7 +78,11 @@ else
fi
# Disable coredump
umask 022
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
mkdir -p /etc/systemd/coredump.conf.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/coredump.conf.d/disable.conf | sudo tee /etc/systemd/coredump.conf.d/disable.conf
umask 077
# Setup ZRAM
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/zram-generator.conf | sudo tee /etc/systemd/zram-generator.conf
@ -105,6 +99,10 @@ sudo systemctl enable --now dnf-automatic.timer
# Remove unnecessary packages
sudo dnf remove -y cockpit*
# Install hardened_malloc
sudo dnf copr enable secureblue/hardened_malloc -y
sudo dnf install -y hardened_malloc
# Install appropriate virtualization drivers
if [ "$virtualization" = 'kvm' ]; then
sudo dnf install -y qemu-guest-agent
@ -150,22 +148,9 @@ MACHINE_TYPE=$(uname -m)
if [ "$virtualization" = 'none' ] || [ "${MACHINE_TYPE}" == 'x86_64' ]; then
sudo dnf install -y 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm'
sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo
if [ "${MACHINE_TYPE}" != 'x86_64' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware
sudo dnf install -y real-ucode
sudo dracut -f
elif [ "$virtualization" != 'none' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,hardened_malloc
sudo dnf install -y hardened_malloc
else
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware,hardened_malloc
sudo dnf install -y real-ucode hardened_malloc
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 -y hardened_malloc
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware
sudo dnf install -y real-ucode
sudo dracut -f
fi
# Setup networking

View File

@ -62,16 +62,14 @@ unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/m
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/#[[:space:]]*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[[:space:]]*=.*/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
if [ "${virtualization}" = 'parallels' ]; then
unpriv curl https://raw.githubusercontent.com/TommyTran732/Kernel-Module-Blacklist/main/etc/modprobe.d/workstation-blacklist.conf | sudo tee /etc/modprobe.d/workstation-blacklist.conf
else
unpriv curl https://raw.githubusercontent.com/secureblue/secureblue/live/config/files/usr/etc/modprobe.d/blacklist.conf | sudo tee /etc/modprobe.d/workstation-blacklist.conf
fi
sudo chmod 644 /etc/modprobe.d/workstation-blacklist.conf
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-workstation.conf | sudo tee /etc/sysctl.d/99-workstation.conf
sudo chmod 644 /etc/sysctl.d/99-workstation.conf
sudo dracut -f
sudo sysctl -p
@ -91,7 +89,11 @@ else
fi
# Disable coredump
umask 022
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf
mkdir -p /etc/systemd/coredump.conf.d
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/coredump.conf.d/disable.conf | sudo tee /etc/systemd/coredump.conf.d/disable.conf
umask 077
# Disable XWayland
umask 022
@ -162,6 +164,10 @@ sudo dnf config-manager --set-disabled fedora-cisco-openh264
# Update packages
sudo dnf -y upgrade
# Install hardened_malloc
sudo dnf copr enable secureblue/hardened_malloc -y
sudo dnf install -y hardened_malloc
# Install packages that I use
sudo dnf -y install adw-gtk3-theme gnome-console gnome-shell-extension-appindicator gnome-shell-extension-blur-my-shell gnome-shell-extension-background-logo
@ -218,26 +224,13 @@ else
sudo tuned-adm profile virtual-guest
fi
# Setup real-ucode and hardened_malloc
# Setup real-ucode
if [ "$virtualization" = 'none' ] || [ "${MACHINE_TYPE}" == 'x86_64' ]; then
sudo dnf install -y 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm'
sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo
if [ "${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 -y real-ucode
sudo dracut -f
elif [ "$virtualization" != 'none' ]; then
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,hardened_malloc
sudo dnf install -y hardened_malloc
else
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware,hardened_malloc
sudo dnf install -y real-ucode hardened_malloc
echo 'libhardened_malloc.so' | sudo tee /etc/ld.so.preload
sudo dracut -f
fi
elif [ "${MACHINE_TYPE}" == 'aarch64' ]; then
sudo dnf copr enable secureblue/hardened_malloc -y
sudo dnf install -y hardened_malloc
sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware
sudo dnf install -y real-ucode
sudo dracut -f
fi
# Setup networking