mirror of
https://github.com/tommytran732/Linux-Setup-Scripts
synced 2024-11-13 21:41:33 -05:00
104 lines
6.4 KiB
Bash
104 lines
6.4 KiB
Bash
#!/bin/bash
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# Copyright (C) 2021-2024 Thien Tran
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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#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
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# Meant to run as the normal user - other stuff needs to be done with transactional-update shell
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output(){
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echo -e '\e[36m'"$1"'\e[0m';
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}
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unpriv(){
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sudo -u nobody "$@"
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}
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# Compliance
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sudo systemctl mask debug-shell.service
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sudo systemctl mask kdump.service
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# Make home directory private
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sudo chmod 700 /home/*
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# Setup NTS
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sudo rm -rf /etc/chrony/chrony.conf
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unpriv curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | sudo tee /etc/chrony/chrony.conf
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unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | sudo tee /etc/sysconfig/chronyd
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sudo systemctl restart chronyd
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# Setup Networking
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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
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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
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sudo nmcli general reload conf
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sudo hostnamectl hostname 'localhost'
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sudo hostnamectl --transient hostname ''
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sudo firewall-cmd --set-default-zone=block
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sudo firewall-cmd --permanent --add-service=dhcpv6-client
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sudo firewall-cmd --reload
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sudo firewall-cmd --lockdown-on
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# Harden SSH
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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
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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# Security kernel settings
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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
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sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
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sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
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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
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sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
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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
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sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
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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
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sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
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sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
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# Disable coredump
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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
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# Systemd Hardening
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sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
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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
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sudo systemctl restart NetworkManager
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# Disable XWayland
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umask 022
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sudo mkdir -p /etc/systemd/user/org.gnome.Shell@wayland.service.d
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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
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umask 077
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# Setup dconf
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umask 022
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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
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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
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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
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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
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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
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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
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sudo dconf update
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umask 077
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# Setup Flatpak
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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
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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
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flatpak remote-add --if-not-exists --user flathub https://dl.flathub.org/repo/flathub.flatpakrepo
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flatpak --user install org.gnome.Extensions com.github.tchx84.Flatseal org.gnome.Loupe -y
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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
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flatpak update -y |