#!/bin/bash # Copyright (C) 2023 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. unpriv(){ sudo -u nobody "$@" } # Avoid phased updates unpriv curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/apt.conf.d/99sane-upgrades | sudo tee /etc/apt/apt.conf.d/99sane-upgrades sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades # 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 gnome-settings-daemon -y sudo apt autoremove -y sudo mv /etc/apt/sources.list ~/ sudo touch /etc/apt/sources.list #E nabling SUID Disabler and Permission Hardener sudo systemctl enable --now permission-hardening # Restrict /proc and access sudo systemctl enable --now proc-hidepid.service # educe 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 tirdad qubes-gpg-split qubes-u2f eog qt5ct qt5-style-plugins arc-theme -y # Setup SSH client echo "GSSAPIAuthentication no" | sudo tee /etc/ssh/ssh_config.d/10-custom.conf echo "VerifyHostKeyDNS yes" | sudo tee -a /etc/ssh/ssh_config.d/10-custom.conf # Force DNSSEC sudo sed -i 's/#DNSSEC=no/DNSSEC=yes/g' /etc/systemd/resolved.conf sudo systemctl restart systemd-resolved # Theming echo "export QT_QPA_PLATFORMTHEME=gtk2" | sudo tee /etc/environment echo "[org/gnome/desktop/interface] gtk-theme='Arc-Dark' [org/gnome/desktop/media-handling] automount=false automount-open=false" | sudo tee /etc/dconf/db/local.d/custom sudo dconf update # Flatpak update service echo "[Unit] Description=Update user Flatpaks [Service] Type=oneshot ExecStart=/usr/bin/flatpak --user update -y" | 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