136 lines
4.3 KiB
Bash
136 lines
4.3 KiB
Bash
#!/usr/bin/env bash
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# The purpose of this script is to setup our NAS server on a blank Armbian.
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# This script is to be run as root.
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# (Keep in mind that default root password is 1234)
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# Flash SBC's SD with Armbian and copy this script as well as conf-sync.sh to /root
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# YOU SHOULD REMOVE THIS SCRIPT AFTER SETUP
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# Functions
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init() {
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echo "Starting initialization"
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echo $fqdn > /etc/hostname
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sed -i -e "s/$default_hostname/$fqdn $hostname/g" /etc/hosts
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localectl set-keymap $keymap
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timedatectl set-timezone $timezone
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systemctl disable apt-daily-upgrade.timer
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}
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install_packages() {
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echo "Starting packages installation"
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sed -i -e "s/$deb_apt_default_repo/$deb_apt_repo/g" /etc/apt/sources.list
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apt update
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apt upgrade -y
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apt install -y vim tree tmux neofetch vsftpd cryptsetup clevis clevis-luks clevis-systemd
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}
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add_users() {
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echo "Adding users"
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useradd -N -g users -G sudo -m -s /bin/bash $user # still not sure why users group and not -U...
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chmod 700 /home/$user
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}
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get_conf() {
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echo "Getting configuration"
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sudo -H -u $user mkdir $sync_directory_path
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cp $run_directory_path/conf-sync.sh $sync_directory_path/
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chown $user:users $sync_directory_path/conf-sync.sh # group
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cp $run_directory_path/srv-nas.mount $sync_directory_path/
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chown $user:users $sync_directory_path/srv-nas.mount # group
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sudo -H -u $user chmod u+x $sync_directory_path/conf-sync.sh
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sudo -H -u $user $sync_directory_path/conf-sync.sh
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}
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set_conf() {
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echo "Setting configuration"
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ln -s $sync_directory_path/conf-sync-server.timer $systemd_units_path/conf-sync.timer
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ln -s $sync_directory_path/*.service $systemd_units_path/
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systemctl daemon-reload
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systemctl enable conf-sync.timer
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systemctl mask systemd-ask-password-wall.path
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}
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rcs_links() {
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echo "Linking rcs"
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rm /home/$user/.bashrc
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rm /root/.bashrc
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sudo -H -u $user ln -s $sync_directory_path/bashrc /home/$user/.bashrc
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ln -s /home/$user/.bashrc /root/.bashrc
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sudo -H -u $user ln -s $sync_directory_path/vimrc /home/$user/.vimrc
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ln -s /home/$user/.vimrc /root/.vimrc
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sudo -H -u $user ln -s $sync_directory_path/tmux.conf /home/$user/.tmux.conf
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ln -s /home/$user/.tmux.conf /root/.tmux.conf
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}
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ssh_pubkey() {
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echo "Getting SSH public key"
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sudo -H -u $user mkdir /home/$user/.ssh
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sudo -H -u $user wget -P /home/$user/.ssh $remote_pubkey_location/$remote_pubkey
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sudo -H -u $user mv /home/$user/.ssh/$remote_pubkey /home/$user/.ssh/authorized_keys
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}
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set_vsftpd() {
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echo "Setting vsftpd config"
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mkdir $nas_root
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chown $user:users $nas_root
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echo "nascrypt /dev/sda none noauto" >> /etc/crypttab
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sed -i -e "s/#write_enable=YES/write_enable=YES/g" /etc/vsftpd.conf
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sed -i -e "s/#utf8_filesystem=YES/utf8_filesystem=YES/g" /etc/vsftpd.conf
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# The two lines below set up TLS wrapping with a self-signed certificate, which causes issues with clients
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#sed -i -e "s/ssl_enable=NO/ssl_enable=YES/g" /etc/vsftpd.conf
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#openssl req -x509 -nodes -days 7300 -newkey rsa:2048 -keyout /etc/ssl/private/ssl-cert-snakeoil.key -out /etc/ssl/certs/ssl-cert-snakeoil.pem -subj "/C=/ST=/L=/O=/OU=/CN="
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}
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# Only run if the user is root
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if [[ $USER != 'root' ]] ; then
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echo "You must run this script as root!"
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exit 1
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fi
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run_directory_path=$(pwd)
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# Set parameters
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default_hostname='odroidxu4'
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hostname='hk1'
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fqdn='hk1.kto.black'
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keymap='fr'
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timezone='Europe/Paris'
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deb_apt_default_repo='httpredir.debian.org'
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deb_apt_repo='ftp.fr.debian.org'
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user='alex'
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sync_directory_path="/home/$user/.sync"
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systemd_units_path='/etc/systemd/system'
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remote_pubkey_location='https://keys.kto.black'
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remote_pubkey='home.pub'
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nas_root='/srv/nas'
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# Main process
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# You should comment below what you do not want to happen
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init
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install_packages
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add_users
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get_conf
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set_conf
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rcs_links
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ssh_pubkey
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set_vsftpd
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echo ""
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echo "We're all good here!"
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echo "You should now:"
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echo "* set $user's password"
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echo "* lock root account"
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echo "* remove setup.sh, srv-nas.mount and conf-sync.sh"
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echo "* reboot the SBC"
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echo "And perhaps:"
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echo "* set htop at your convenience"
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echo "* remove password for sudo" # TODO we should automate that, with a flag
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echo "* use below commands to edit SSH config:"
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echo " sed -i 's/PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config"
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echo " sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config"
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echo "* register an encrypted volume to a tang server"
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exit 0
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