mirror of
https://github.com/tommytran732/Linux-Setup-Scripts
synced 2024-11-08 19:21:33 -05:00
158 lines
6.9 KiB
Bash
158 lines
6.9 KiB
Bash
#!/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'"$1"'\e[0m';
|
|
}
|
|
|
|
unpriv(){
|
|
sudo -u nobody "$@"
|
|
}
|
|
|
|
# Compliance and updates
|
|
sudo systemctl mask debug-shell.service
|
|
|
|
sudo apt update -y
|
|
sudo apt full-upgrade -y
|
|
sudo apt autoremove -y
|
|
|
|
# Default to gcc-12 instead of gcc-11
|
|
sudo rm /usr/bin/gcc
|
|
sudo ln -s /usr/bin/gcc-12 /usr/bin/gcc
|
|
|
|
# Make home directory private
|
|
sudo chmod 700 /home/*
|
|
|
|
# Setting umask to 077
|
|
umask 077
|
|
sudo sed -ie '/^DIR_MODE=/ s/=[0-9]*\+/=0700/' /etc/adduser.conf
|
|
sudo sed -ie '/^UMASK\s\+/ s/022/077/' /etc/login.defs
|
|
sudo sed -i 's/USERGROUPS_ENAB yes/USERGROUPS_ENAB no/g' /etc/login.defs
|
|
echo 'umask 077' | sudo tee --append /etc/profile
|
|
|
|
# Setup NTS
|
|
sudo systemctl disable systemd-timesyncd
|
|
sudo apt install -y curl 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
|
|
|
|
# Harden SSH
|
|
echo 'GSSAPIAuthentication no
|
|
VerifyHostKeyDNS yes' | sudo tee -a /etc/ssh/ssh_config.d/10-custom.conf
|
|
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
|
|
|
|
# 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
|
|
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 sysctl -p
|
|
|
|
# Rebuild initramfs
|
|
sudo update-initramfs -u
|
|
|
|
# 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
|
|
|
|
# Setup dconf
|
|
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Script/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-Script/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-Script/main/etc/dconf/db/local.d/apport-disable | sudo tee /etc/dconf/db/local.d/apport-disable
|
|
unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Script/main/etc/dconf/db/local.d/locks/apport-disable | sudo tee /etc/dconf/db/local.d/locks/apport-disable
|
|
|
|
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/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/touchpad | sudo tee /etc/dconf/db/local.d/touchpad
|
|
sudo chmod 644 /etc/dconf/db/local.d/*
|
|
sudo dconf update
|
|
|
|
ubuntu-report -f send no
|
|
sudo systemctl stop apport.service
|
|
sudo systemctl disable apport.service
|
|
sudo systemctl mask apport.service
|
|
sudo systemctl stop whoopsie.service
|
|
sudo systemctl disable whoopsie.service
|
|
sudo systemctl mask whoopsie.service
|
|
|
|
# Update packages and firmware
|
|
sudo apt update -y
|
|
sudo apt full-upgrade -y
|
|
sudo fwupdmgr get-devices
|
|
sudo fwupdmgr refresh --force
|
|
sudo fwupdmgr get-updates -y
|
|
sudo fwupdmgr update -y
|
|
|
|
# Remove unneeded packages
|
|
sudo apt purge -y cups* eog gedit firefox* gnome-calculator gnome-characters* gnome-font-viewer gnome-logs gnome-power-manager gnome-shell-extension-prefs seahorse tcpdump whoopsie
|
|
sudo apt autoremove -y
|
|
sudo snap remove firefox
|
|
|
|
sudo rm -rf /usr/share/hplip
|
|
|
|
# Install packages that I use
|
|
sudo apt install -y gnome-text-editor
|
|
sudo snap install eog
|
|
|
|
# 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 ''
|
|
|
|
# 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
|
|
# Don't know whether using tuned would be a good idea on a laptop, power-profiles-daemon should be handling performance tuning IMO.
|
|
sudo apt remove tuned -y
|
|
sudo apt autoremove -y
|
|
else
|
|
sudo tuned-adm profile virtual-guest
|
|
fi
|
|
|
|
# Enable fstrim.timer
|
|
sudo systemctl enable --now fstrim.timer |