#!/usr/bin/env bash # Configure Z01 Ubuntu set -euo pipefail IFS=' ' # The value of this parameter is expanded like PS1 and the expanded value is the # prompt printed before the command line is echoed when the -x option is set # (see The Set Builtin). The first character of the expanded value is replicated # multiple times, as necessary, to indicate multiple levels of indirection. # \D{%F %T} prints date like this : 2019-12-31 23:59:59 PS4='-\D{%F %T} ' # Print commands and their arguments as they are executed. set -x # Log stdout & stderr exec > >(tee -i /tmp/install_ubuntu.log) 2>&1 script_dir="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)" cd "$script_dir" # Skip dialogs during apt-get install commands export DEBIAN_FRONTEND=noninteractive # DEBIAN_PRIORITY=critical export LC_ALL=C LANG=C export SHELL=/bin/bash disk=$(lsblk -o tran,kname,hotplug,type,fstype -pr | grep '0 disk' | cut -d' ' -f2 | sort | head -n1) systemctl stop unattended-upgrades.service apt-get --no-install-recommends update apt-get --no-install-recommends -y upgrade apt-get -y autoremove --purge apt-get --no-install-recommends -y install curl # Remove outdated kernels # old_kernels=$(ls -1 /boot/config-* | sed '$d' | xargs -n1 basename | cut -d- -f2,3) # for old_kernel in $old_kernels; do # dpkg -P $(dpkg-query -f '${binary:Package}\n' -W *"$old_kernel"*) # done apt-get -yf install # Configure Terminal # Makes bash case-insensitive cat <> /etc/inputrc set completion-ignore-case set show-all-if-ambiguous On set show-all-if-unmodified On EOF # Enhance Linux prompt cat < /etc/issue Kernel build: \v Kernel package: \r Date: \d \t IP address: \4 Terminal: \l@\n.\O EOF # Enable Bash completion apt-get --no-install-recommends -y install bash-completion cat <> /etc/bash.bashrc if ! shopt -oq posix; then if [ -f /usr/share/bash-completion/bash_completion ]; then . /usr/share/bash-completion/bash_completion elif [ -f /etc/bash_completion ]; then . /etc/bash_completion fi fi EOF # Set-up all users for dir in $(ls -1d /root /home/* 2>/dev/null ||:) do # Hide login informations touch "$dir/.hushlogin" # Add convenient aliases & behaviors cat <<-'EOF'>> "$dir/.bashrc" export LS_OPTIONS="--color=auto" eval "`dircolors`" alias df="df --si" alias du="du --si" alias free="free -h --si" alias l="ls $LS_OPTIONS -al --si --group-directories-first" alias less="less -i" alias nano="nano -clDOST4" alias pstree="pstree -palU" HISTCONTROL=ignoreboth HISTFILESIZE= HISTSIZE= HISTTIMEFORMAT="%F %T " EOF # Fix rights usr=$(echo "$dir" | rev | cut -d/ -f1 | rev) chown -R "$usr:$usr" "$dir" ||: done # Install OpenSSH ssh_port=512 # Install dependencies apt-get --no-install-recommends -y install ssh cat <> /etc/ssh/sshd_config Port $ssh_port PasswordAuthentication no AllowUsers root EOF # Install firewall apt-get --no-install-recommends -y install ufw ufw logging off ufw allow in "$ssh_port"/tcp ufw allow in 27960:27969/tcp ufw allow in 27960:27969/udp ufw --force enable # Install Grub sed -i -e 's/message=/message_null=/g' /etc/grub.d/10_linux cat <> /etc/default/grub GRUB_TIMEOUT=0 GRUB_RECORDFAIL_TIMEOUT=0 GRUB_TERMINAL=console GRUB_DISTRIBUTOR=`` GRUB_DISABLE_OS_PROBER=true GRUB_DISABLE_SUBMENU=y EOF update-grub grub-install "$disk" # Install Go wget https://dl.google.com/go/go1.16.3.linux-amd64.tar.gz tar -C /usr/local -xzf go1.16.3.linux-amd64.tar.gz rm go1.16.3.linux-amd64.tar.gz # shellcheck disable=2016 echo 'export PATH=$PATH:/usr/local/go/bin' >> /etc/profile # Set-up all users for dir in $(ls -1d /root /home/* 2>/dev/null ||:) do # Add convenient aliases & behaviors cat <<-'EOF'>> "$dir/.bashrc" GOPATH=$HOME/go PATH=$PATH:$GOPATH/bin alias gobuild='CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -trimpath -ldflags="-s -w"' EOF # shellcheck disable=2016 echo 'GOPATH=$HOME/go' >> "$dir/.profile" # Fix rights usr=$(echo "$dir" | rev | cut -d/ -f1 | rev) chown -R "$usr:$usr" "$dir" ||: done # Install Node.js curl -sL https://deb.nodesource.com/setup_14.x | bash - apt-get --no-install-recommends -y install nodejs # Install FX: command-line JSON processing tool (https://github.com/antonmedv/fx) npm install -g fx # Install Sublime Text & Sublime Merge wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | apt-key add - apt-get --no-install-recommends install -y apt-transport-https cat < /etc/apt/sources.list.d/sublime-text.list deb https://download.sublimetext.com/ apt/stable/ EOF apt-get --no-install-recommends update apt-get --no-install-recommends install -y sublime-text sublime-merge libgtk2.0-0 # Install Visual Studio Code wget 'https://code.visualstudio.com/sha/download?build=stable&os=linux-deb-x64' --output-document vscode.deb dpkg -i vscode.deb rm vscode.deb # Install VSCodium wget -qO - https://gitlab.com/paulcarroty/vscodium-deb-rpm-repo/raw/master/pub.gpg | apt-key add - echo 'deb https://paulcarroty.gitlab.io/vscodium-deb-rpm-repo/debs/ vscodium main' >> /etc/apt/sources.list.d/vscodium.list apt-get --no-install-recommends update apt-get --no-install-recommends install -y codium # Set-up all users for dir in $(ls -1d /home/* 2>/dev/null ||:) do # Disable most of the telemetry and auto-updates mkdir -p "$dir/.config/Code/User" mkdir -p "$dir/.config/VSCodium/User" cat <<-'EOF' | tee \ "$dir/.config/Code/User/settings.json" \ "$dir/.config/VSCodium/User/settings.json" { "extensions.autoCheckUpdates": false, "extensions.autoUpdate": false, "json.schemaDownload.enable": false, "npm.fetchOnlinePackageInfo": false, "settingsSync.keybindingsPerPlatform": false, "telemetry.enableCrashReporter": false, "telemetry.enableTelemetry": false, "update.enableWindowsBackgroundUpdates": false, "update.mode": "none", "update.showReleaseNotes": false, "workbench.enableExperiments": false, "workbench.settings.enableNaturalLanguageSearch": false } EOF # Fix rights usr=$(echo "$dir" | rev | cut -d/ -f1 | rev) chown -R "$usr:$usr" "$dir" ||: done # Install Go extension and tools sudo -iu student code --install-extension golang.go sudo -iu student go get github.com/01-edu/z01 sudo -iu student go get github.com/uudashr/gopkgs/v2/cmd/gopkgs sudo -iu student go get github.com/ramya-rao-a/go-outline sudo -iu student go get github.com/cweill/gotests/gotests sudo -iu student go get github.com/fatih/gomodifytags sudo -iu student go get github.com/josharian/impl sudo -iu student go get github.com/haya14busa/goplay/cmd/goplay sudo -iu student go get github.com/go-delve/delve/cmd/dlv sudo -iu student go get github.com/go-delve/delve/cmd/dlv@master sudo -iu student go get honnef.co/go/tools/cmd/staticcheck sudo -iu student go get golang.org/x/tools/gopls # Install LibreOffice apt-get --no-install-recommends -y install libreoffice # Install Docker apt-get --no-install-recommends -y install apt-transport-https ca-certificates curl gnupg2 software-properties-common curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - add-apt-repository --yes "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" apt-get --no-install-recommends update apt-get --no-install-recommends -y install docker-ce docker-ce-cli containerd.io adduser student docker # Install Docker compose curl -L "https://github.com/docker/compose/releases/download/1.29.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose chmod +x /usr/local/bin/docker-compose curl -L https://raw.githubusercontent.com/docker/compose/1.29.1/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose # Purge unused Ubuntu packages pkgs=" apparmor apport bind9 bolt cups* exim* fprintd friendly-recovery gnome-initial-setup gnome-online-accounts gnome-power-manager gnome-software gnome-software-common memtest86+ orca popularity-contest python3-update-manager secureboot-db snapd speech-dispatcher* spice-vdagent ubuntu-report ubuntu-software unattended-upgrades update-inetd update-manager-core update-notifier update-notifier-common whoopsie xdg-desktop-portal " # shellcheck disable=2086 apt-get -y purge $pkgs apt-get -y autoremove --purge # Install packages pkgs="$(cat common_packages.txt) baobab blender dconf-editor emacs f2fs-tools firefox gimp gnome-calculator gnome-system-monitor gnome-tweaks i3lock imagemagick mpv vim virtualbox xfsprogs zenity " # shellcheck disable=2086 apt-get --no-install-recommends -y install $pkgs # Disable services services=" apt-daily-upgrade.timer apt-daily.timer console-setup.service e2scrub_reap.service keyboard-setup.service motd-news.timer remote-fs.target " # shellcheck disable=2086 systemctl disable $services services=" grub-common.service plymouth-quit-wait.service " # shellcheck disable=2086 systemctl mask $services # Logout quickly cat <>/etc/systemd/logind.conf KillUserProcesses=yes UserStopDelaySec=0 EOF # Disable GTK hidden scroll bars echo GTK_OVERLAY_SCROLLING=0 >> /etc/environment # Reveal boot messages sed -i -e 's/TTYVTDisallocate=yes/TTYVTDisallocate=no/g' /etc/systemd/system/getty.target.wants/getty@tty1.service # Speedup boot sed -i 's/MODULES=most/MODULES=dep/g' /etc/initramfs-tools/initramfs.conf sed -i 's/COMPRESS=gzip/COMPRESS=lz4/g' /etc/initramfs-tools/initramfs.conf # Reveal autostart services sed -i 's/NoDisplay=true/NoDisplay=false/g' /etc/xdg/autostart/*.desktop # Remove password complexity constraints sed -i 's/ obscure / minlen=1 /g' /etc/pam.d/common-password # Remove splash screen (plymouth) sed -i 's/quiet splash/quiet/g' /etc/default/grub update-initramfs -u update-grub # Change ext4 default mount options sed -i -e 's/ errors=remount-ro/ noatime,nodelalloc,errors=remount-ro/g' /etc/fstab # Disable swapfile swapoff /swapfile ||: rm -f /swapfile sed -i '/swapfile/d' /etc/fstab # Put temporary and cache folders as tmpfs echo 'tmpfs /tmp tmpfs defaults,noatime,rw,nosuid,nodev,mode=1777,size=1G 0 0' >> /etc/fstab # Install additional drivers ubuntu-drivers install ||: # Copy system files cp -r system /tmp cd /tmp/system test -v PERSISTENT && rm -rf etc/gdm3 usr/share/initramfs-tools # Overwrite with custom files from Git repository if test -v OVERWRITE; then folder=$(echo "$OVERWRITE" | cut -d';' -f1) url=$(echo "$OVERWRITE" | cut -d';' -f2) if git ls-remote -q "$url" &>/dev/null; then tmp=$(mktemp -d) git clone --depth 1 "$url" "$tmp" rm -rf "$tmp"/.git cp -aT "$tmp" "$folder" rm -rf "$tmp" fi fi # Fix permissions find . -type d -exec chmod 755 {} \; find . -type f -exec chmod 644 {} \; find . -type f -exec /bin/sh -c "file {} | grep -q 'shell script' && chmod +x {}" \; find . -type f -exec /bin/sh -c "file {} | grep -q 'public key' && chmod 400 {}" \; sed -i -e "s|::DISK::|$disk|g" etc/udev/rules.d/10-local.rules # Generate wallpaper cd usr/share/backgrounds/01 test ! -e wallpaper.png && composite logo.png background.png wallpaper.png cd /tmp/system cp --preserve=mode -RT . / cd /usr/local/src/format PATH=$PATH:/usr/local/go/bin go mod download go build -o /usr/local/bin/format cd "$script_dir" rm -rf /tmp/system if ! test -v PERSISTENT; then sgdisk --new 0:0:+32G "$disk" sgdisk --new 0:0:+32G "$disk" sgdisk --largest-new 0 "$disk" sgdisk --change-name 3:01-tmp-home "$disk" sgdisk --change-name 4:01-docker "$disk" sgdisk --change-name 5:01-tmp-system "$disk" # Add Docker persistent partition partprobe mkfs.ext4 -E lazy_journal_init,lazy_itable_init=0 /dev/disk/by-partlabel/01-docker echo 'PARTLABEL=01-docker /var/lib/docker ext4 noatime,errors=remount-ro 0 2' >> /etc/fstab systemctl stop docker.service containerd.service mv /var/lib/docker /tmp mkdir /var/lib/docker mount /dev/disk/by-partlabel/01-docker mv /tmp/docker/* /var/lib/docker umount /var/lib/docker # Remove fsck because the system partition will be read-only (overlayroot) rm /usr/share/initramfs-tools/hooks/fsck apt-get --no-install-recommends -y install overlayroot echo 'overlayroot="device:dev=/dev/disk/by-partlabel/01-tmp-system,recurse=0"' >> /etc/overlayroot.conf update-initramfs -u # Lock root password passwd -l root # Disable user password passwd -d student # Remove tty cat <<-"EOF">> /etc/systemd/logind.conf NAutoVTs=0 ReserveVT=N EOF # Remove user abilities sed -i 's/^%admin/# &/' /etc/sudoers sed -i 's/^%sudo/# &/' /etc/sudoers gpasswd -d student lpadmin gpasswd -d student sambashare cp /etc/shadow /etc/shadow- fi # Use Cloudflare DNS server echo 'supersede domain-name-servers 1.1.1.1;' >> /etc/dhcp/dhclient.conf # Clean system # Purge useless packages apt-get -y autoremove --purge apt-get autoclean apt-get clean apt-get install rm -rf /root/.local # Remove connection logs echo > /var/log/lastlog echo > /var/log/wtmp echo > /var/log/btmp # Remove machine ID echo > /etc/machine-id # Remove logs cd /var/log rm -rf alternatives.log* rm -rf apt/* rm -rf auth.log rm -rf dpkg.log* rm -rf gpu-manager.log rm -rf installer rm -rf journal/d6e982aa8c9d4c1dbcbdcff195642300 rm -rf kern.log rm -rf syslog rm -rf sysstat # Remove random seeds rm -rf /var/lib/systemd/random-seed rm -rf /var/lib/NetworkManager/secret_key # Remove network configs rm -rf /etc/NetworkManager/system-connections/* rm -rf /var/lib/bluetooth/* rm -rf /var/lib/NetworkManager/* # Remove caches rm -rf /var/lib/gdm3/.cache/* rm -rf /root/.cache rm -rf /home/student/.cache rm -rf /home/student/.sudo_as_admin_successful /home/student/.bash_logout rm -rf /tmp/* rm -rf /tmp/.* ||: