mirror of
https://github.com/tommytran732/Linux-Setup-Scripts
synced 2024-09-19 13:44:43 -04:00
103 lines
4.2 KiB
Bash
103 lines
4.2 KiB
Bash
#!/bin/bash
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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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#Customize it to your liking
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#Run this script as your admin user, NOT root
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#Compliance
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sudo ua enable usg
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sudo apt install -y usg
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sudo usg fix cis_level2_workstation
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#Allow su which is disabled by CIS
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sudo sed -i 's/auth required pam_wheel.so use_uid group=sugroup//g' /etc/pam.d/su
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#Setting umask to 077
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umask 077
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sudo sed -ie '/^DIR_MODE=/ s/=[0-9]*\+/=0700/' /etc/adduser.conf
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sudo sed -ie '/^UMASK\s\+/ s/022/077/' /etc/login.defs
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sudo sed -i 's/USERGROUPS_ENAB yes/USERGROUPS_ENAB no/g' /etc/login.defs
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echo "umask 077" | sudo tee --append /etc/profile
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#Make sure the system has curl (minimal installs do not include it)
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sudo apt install -y curl
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#Security kernel settings
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_silent-kernel-printk.conf -o /etc/sysctl.d/30_silent-kernel-printk.conf
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc_kexec-disable.conf -o /etc/sysctl.d/30_security-misc_kexec-disable.conf
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#Systemd Hardening
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sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
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sudo curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf -o /etc/systemd/system/NetworkManager.service.d/99-brace.conf
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sudo mkdir -p /etc/systemd/system/irqbalance.service.d
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sudo curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf -o /etc/systemd/system/irqbalance.service.d/99-brace.conf
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sudo mkdir -p /etc/systemd/system/sshd.service.d
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
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echo "GSSAPIAuthentication no" | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
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echo "VerifyHostKeyDNS yes" | sudo tee -a /etc/ssh/ssh_config.d/10-custom.conf
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#Setup NTS
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sudo systemctl disable systemd-timesyncd
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sudo apt install -y chrony
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rm -rf /etc/chrony/chrony.conf
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
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sudo systemctl restart chronyd
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# Disable automount
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echo '[org/gnome/desktop/media-handling]
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automount=false
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automount-open=false' | sudo tee /etc/dconf/db/local.d/automount-disable
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echo 'org/gnome/desktop/media-handling/automount
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org/gnome/desktop/media-handling/automount-open' | sudo tee /etc/dconf/db/local.d/locks/automount-disable
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sudo dconf update
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#Setup UFW
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#UFW Snap is strictly confined, unlike its .deb counterpart
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sudo apt purge -y ufw
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sudo snap install ufw
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sudo ufw enable
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#Disable crash reports
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gsettings set com.ubuntu.update-notifier show-apport-crashes false
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ubuntu-report -f send no
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sudo systemctl stop apport.service
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sudo systemctl disable apport.service
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sudo systemctl mask apport.service
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sudo systemctl stop whoopsie.service
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sudo systemctl disable whoopsie.service
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sudo systemctl mask whoopsie.service
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#Update packages and firmware
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sudo apt update -y
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sudo apt full-upgrade -y
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sudo fwupdmgr get-devices
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sudo fwupdmgr refresh --force
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sudo fwupdmgr get-updates -y
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sudo fwupdmgr update -y
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#Remove unneeded packages
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sudo apt purge -y cups* eog gedit gnome-calculator gnome-font-viewer gnome-logs gnome-power-manager gnome-shell-extension-prefs seahorse tcpdump whoopsie
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sudo apt autoremove -y
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sudo snap remove firefox
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#Install packages that I use
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sudo apt install -y git-core gnome-text-editor
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sudo snap install eog
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#Randomize MAC address
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sudo bash -c 'cat > /etc/NetworkManager/conf.d/00-macrandomize.conf' <<-'EOF'
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[device]
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wifi.scan-rand-mac-address=yes
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[connection]
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wifi.cloned-mac-address=random
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ethernet.cloned-mac-address=random
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connection.stable-id=${CONNECTION}/${BOOT}
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EOF
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sudo systemctl restart NetworkManager
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