#!/bin/bash #Adding KickSecure's signing key curl --proxy http://127.0.0.1:8082/ --tlsv1.3 --proto =https --max-time 180 --output ~/derivative.asc https://www.kicksecure.com/derivative.asc sudo cp ~/derivative.asc /usr/share/keyrings/derivative.asc echo "deb [signed-by=/usr/share/keyrings/derivative.asc] https://deb.kicksecure.com bullseye main contrib non-free" | sudo tee /etc/apt/sources.list.d/derivative.list sudo apt update #Debloat sudo apt purge -y thunderbird emacs emacs-gtk emacs-bin-common emacs-common firefox* keepassxc cups* system-config-printer* xsettingsd yelp* sudo apt autoremove -y sudo apt autoclean #Distribution morphing sudo apt install --no-install-recommends kicksecure-qubes-cli -y sudo apt autoremove -y sudo mv /etc/apt/sources.list ~/ sudo touch /etc/apt/sources.list #Enabling SUID Disabler and Permission Hardener sudo systemctl enable --now permission-hardening #Install LKRG sudo apt install --no-install-recommends linux-headers-amd64 lkrg-dkms -y #Enable hardened malloc echo "/usr/lib/libhardened_malloc.so/libhardened_malloc.so" | sudo tee /etc/ld.so.preload #Restrict /proc and access sudo systemctl enable --now proc-hidepid.service #Reduce kernel information leaks #Will break a lot of applications. The apps I use on KickSecure work fine with it so I am enabling it. sudo systemctl enable --now hide-hardware-info.service #Install packages sudo apt install --no-install-recommends qubes-gpg-split qubes-u2f eog qt5ct qt5-style-plugins arc-theme -y #Theming git config --global http.proxy http://127.0.0.1:8082 git clone https://github.com/horst3180/arc-icon-theme sudo mv arc-icon-theme/Arc /usr/share/icons rm -rf arc-icon-theme echo "export QT_QPA_PLATFORMTHEME=gtk2" | sudo tee /etc/environment sudo mkdir /etc/gtk-3.0 echo "[Settings] gtk-theme-name=Arc-Dark gtk-application-prefer-dark-theme=1 gtk-icon-theme-name=Arc" | sudo tee /etc/gtk-3.0/settings.ini sudo mkdir /etc/gtk-4.0 echo "[Settings] gtk-theme-name=Arc-Dark gtk-application-prefer-dark-theme=1 gtk-icon-theme-name=Arc" | sudo tee /etc/gtk-4.0/settings.ini #Flatpak update service echo "[Unit] Description=Update user Flatpaks [Service] Type=oneshot ExecStart=/usr/bin/flatpak --user update -y [Install] WantedBy=default.target" | sudo tee /etc/systemd/user/update-user-flatpaks.service echo "[Unit] Description=Update user Flatpaks daily [Timer] OnCalendar=daily Persistent=true [Install] WantedBy=timers.target" | sudo tee /etc/systemd/user/update-user-flatpaks.timer