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setup: update docker-compose, use $DAILY_USER, hardening #4

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setup: update docker-compose, use $DAILY_USER, hardening #4

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3d4abdd
setup: use $DAILY_USER value in script
tomholford Sep 27, 2023
065d037
deps: update docker-compose to latest
tomholford Sep 27, 2023
d71c559
setup: SSH keys + hardening
tomholford Sep 27, 2023
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2 changes: 2 additions & 0 deletions star-cmd/authorized_keys
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
# Intentionally left blank. Before running the setup script, add your public
# key(s) to this file.
34 changes: 30 additions & 4 deletions star-cmd/vps-setup.sh
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Expand Up @@ -63,7 +63,7 @@ apt update
apt install docker-ce

# install docker-compose
curl -L "https://github.com/docker/compose/releases/download/v2.14.2/docker-compose-linux-x86_64" -o /usr/local/bin/docker-compose
curl -L "https://github.com/docker/compose/releases/download/v2.22.0/docker-compose-linux-x86_64" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

# add system user to sudo group
Expand All @@ -82,9 +82,9 @@ cp -r "$CMD_ROOT/sites" /home/$SYSTEM_USER/
chown -R $SYSTEM_USER:$SYSTEM_USER /home/$SYSTEM_USER/*

# copy control files to daily user home
cp "$CMD_ROOT/launch.sh" /home/DAILY_USER/
cp "$CMD_ROOT/thwart.sh" /home/DAILY_USER/
chown -R DAILY_USER:DAILY_USER /home/DAILY_USER/*
cp "$CMD_ROOT/launch.sh" /home/$DAILY_USER/
cp "$CMD_ROOT/thwart.sh" /home/$DAILY_USER/
chown -R $DAILY_USER:$DAILY_USER /home/$DAILY_USER/*

for SHIP in $SHIPS;
do
Expand All @@ -97,3 +97,29 @@ do
sudo docker cp "$CMD_ROOT/$SHIP.key" copier:"/data/$SHIP.key"
sudo docker rm copier
done

# copy SSH pub keys to authorized_keys
mkdir -p /home/$DAILY_USER/.ssh
cp "$CMD_ROOT/authorized_keys" /home/$DAILY_USER/.ssh/

# hardening

## first, backup the sshd_config file
cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak

## disable password login
sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config

## disable root login
sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin no/g' /etc/ssh/sshd_config

## install + configure fail2ban
apt install fail2ban
cp "$CMD_ROOT/jail.conf" /etc/fail2ban/jail.local
systemctl enable fail2ban
systemctl restart fail2ban

# done :)
echo "Done! Rebooting in 10 seconds..."
sleep 10
reboot