cccleo-post-inst.sh

#!/usr/bin/env bash

set -ex -o pipefail

# install required packages
apt-get update && apt-get install openssh-server sudo curl -y

# create cccadmin user if not present
if ! id -u cccadmin >/dev/null 2>&1; then
    useradd -m -s /bin/bash cccadmin
fi

# setup ssh authorized_keys
mkdir -p /home/cccadmin/.ssh
curl -o /home/cccadmin/.ssh/authorized_keys https://github.com/clarkzjw.keys
chown -R cccadmin:cccadmin /home/cccadmin/.ssh
chmod 700 /home/cccadmin/.ssh
chmod 600 /home/cccadmin/.ssh/authorized_keys

mkdir -p /root/.ssh
curl -o /root/.ssh/authorized_keys https://github.com/clarkzjw.keys
chown -R root:root /root/.ssh
chmod 700 /root/.ssh
chmod 600 /root/.ssh/authorized_keys

# add cccadmin user to the sudo group
usermod -a -G sudo cccadmin

# install tailscale
curl -fsSL https://tailscale.com/install.sh | sh

set +x

echo -e "\nConfiguration complete\n"
echo -e "Start Tailscale by running:\n"
echo -e "    sudo tailscale up --netfilter-mode=off --accept-dns=false\n"
echo -e "Please send the Tailscale login link to Jinwei Zhao <clarkzjw@uvic.ca>"
echo -e "Note: Please do NOT power off the machine until we confirmed accepting the link"