mirror of
git://git.acid.vegas/tools.git
synced 2024-12-22 22:36:36 +00:00
139 lines
4.0 KiB
Bash
Executable File
139 lines
4.0 KiB
Bash
Executable File
#!/bin/sh
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# LXC Container Setup - developed by acidvegas (https://git.acid.vegas/supertools)
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# Configuration
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SSH_PORT=1337
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USER_NAME="supernets"
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CONTAINER_NAME="ircd"
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setup_root() {
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# Secure DNS (TEMP)
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printf "nameserver 208.67.222.222\nnameserver 208.67.220.220\nnameserver 2620:119:35::35\nnameserver 2620:119:53::53\n" > /etc/resolv.conf
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chattr +i /etc/resolv.conf
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# Update & Install Packages
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apt-get update && apt-get upgrade
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apt-get install bridge-utils dirmngr htop gpg lxc man net-tools uidmap screen unattended-upgrades
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# Wipe the journal and only use RAM storage
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journalctl --vacuum-time=1d
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printf "[Journal]\nStorage=volatile\nSplitMode=none\nRuntimeMaxUse=500K\n" > /etc/systemd/journald.conf
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systemctl restart systemd-journald
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# Install & setup dropbear
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apt-get install -y dropbear
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{
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echo "NO_START=0"
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echo "DROPBEAR_PORT=$SSH_PORT"
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echo "DROPBEAR_EXTRA_ARGS=\"-K 0\""
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echo "DROPBEAR_BANNER=\"\""
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echo "DROPBEAR_ED25519KEY=\"/etc/dropbear/dropbear_ed25519_host_key\""
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echo "DROPBEAR_RECEIVE_WINDOW=65536"
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} > /etc/default/dropbear
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systemctl restart dropbear && systemctl enable dropbear
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# Remove OpenSSH
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apt remove openssh-server && apt remove openssh-client
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apt purge openssh-server && apt purge openssh-client
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apt autoremove && apt autoclean
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systemctl stop ssh && systemctl disable ssh
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# Disable history, logs, & IPv6
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printf "\nHISTSIZE=0\nHISTFILESIZE=0\nunset HISTFILE\n" >> /etc/bash.bashrc
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>/var/log/lastlog && chattr +i /var/log/lastlog
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sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="ipv6.disable=1"/' /etc/default/grub && update-grub
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# Set locales
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echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && locale-gen
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# Add a new user
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useradd -m -s /bin/bash $USER_NAME && passwd $USER_NAME
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# Change hostname
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nano /etc/hostname
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# Enable user-level services
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loginctl enable-linger $USER_NAME
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# Configure NAT
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iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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echo "1" > /proc/sys/net/ipv4/ip_forward
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printf "\nnet.ipv4.ip_forward=1\n" > /etc/sysctl.conf
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# Create a runtime directory with the correct permissions
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mkdir -p /run/user/$(id -u $USER_NAME)
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chown $USER_NAME:$USER_NAME /run/user/$(id -u $USER_NAME)
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chmod 700 /run/user/$(id -u $USER_NAME)
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# Set the subordinate UID/GID
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echo "$USER_NAME:100000:65536" > /etc/subuid
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echo "$USER_NAME:100000:65536" > /etc/subgid
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# Create bridge (usually done automatically, see `ip addr` output for lxcbr0)
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#brctl addbr lxcbr0
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#ip addr add 192.168.1.10/24 dev lxcbr0
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#ip link set dev lxcbr0 up
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# Restart the LXC service
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systemctl restart lxc
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}
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setup_user() {
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# Add dropbear public key
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mkdir -p $HOME/.ssh
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printf "ssh-ed25519 loldongs acidvegas@blackhole" > $HOME/.ssh/authorized_keys
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chmod 700 $HOME/.ssh
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chown -R $USER $HOME/.ssh
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chmod 400 $HOME/.ssh/authorized_keys
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chattr +i $HOME/.ssh
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chattr +i $HOME/.ssh/authorized_keys
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# Setup LXC configuration
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mkdir -p ~/.config/lxc
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{
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echo "lxc.idmap = u 0 100000 65536"
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echo "lxc.idmap = g 0 100000 65536"
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echo "lxc.net.0.type = veth"
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echo "lxc.net.0.link = lxcbr0"
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echo "lxc.net.0.flags = up"
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echo "lxc.start.auto = 1"
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echo "lxc.start.delay = 5"
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} > $HOME/.config/lxc/default.conf
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# Setup runtime directory
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echo 'export XDG_RUNTIME_DIR=/run/user/$(id -u $USER)' >> ~/.bashrc
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export XDG_RUNTIME_DIR=/run/user/$(id -u $USER)
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# Create a systemd user service
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mkdir -p $HOME/.config/systemd/user
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{
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echo "[Unit]"
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echo "Description=LXC Container %I"
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echo "After=network.target"
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echo ""
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echo "[Service]"
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echo "Type=forking"
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echo "ExecStart=/usr/bin/lxc-start -n %i"
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echo "ExecStop=/usr/bin/lxc-stop -n %i"
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echo "Restart=on-failure"
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echo ""
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echo "[Install]"
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echo "WantedBy=default.target"
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} > $HOME/.config/systemd/user/lxc-container@.service
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# Create a container
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lxc-create -n $container -t download -- --dist debian --release bullseye --arch amd64
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# Start & enable the service
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systemctl --user enable lxc-container@${container}.service
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systemctl --user start lxc-container@${container}.service
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}
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setup_container() {
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# TODO: Provision container for services
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return
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}
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#setup_root
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#setup_user
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