New Server Setup

#!/usr/bin/bash
sudo apt update && sudo apt upgrade
sudo apt -y install fail2ban ufw git curl zsh

cat >> ~/.ssh/authorized_keys << EOF
---pub ssh key---
EOF

echo "vps2" > /etc/hostname

cat >> /etc/hosts << EOF
127.0.0.1       vps2
46.38.233.182   vps2.draab.at vps2
EOF

printf "[sshd]\nenabled = true\nbanaction = iptables-multiport" > /etc/fail2ban/jail.local
systemctl enable fail2ban
ufw allow 222
ufw enable

sed -i -e '/^\(#\|\)PermitRootLogin/s/^.*$/PermitRootLogin no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)PasswordAuthentication/s/^.*$/PasswordAuthentication no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)Port/s/^.*$/Port 222/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)KbdInteractiveAuthentication/s/^.*$/KbdInteractiveAuthentication no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)ChallengeResponseAuthentication/s/^.*$/ChallengeResponseAuthentication no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)MaxAuthTries/s/^.*$/MaxAuthTries 2/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)AllowTcpForwarding/s/^.*$/AllowTcpForwarding no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)X11Forwarding/s/^.*$/X11Forwarding no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)AllowAgentForwarding/s/^.*$/AllowAgentForwarding no/' /etc/ssh/sshd_config
sed -i -e '/^\(#\|\)AuthorizedKeysFile/s/^.*$/AuthorizedKeysFile .ssh\/authorized_keys/' /etc/ssh/sshd_config
sed -i '$a AllowUsers danielraab' /etc/ssh/sshd_config

curl -sSL https://get.docker.com | sh
usermod -aG docker danielraab
newgrp docker

#  - curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
#  - \. "$HOME/.nvm/nvm.sh"
#  - nvm install 22

sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended

reboot