Brain Cloud Server

Installing Brain in 2024 - First we re-imaged the VPS through the cloudpanel on ionos!

There are some basic tools settings that I use regularly:

1. joe editor # joe apt install joe

2. permanently set hostname # hostnamectl set-hostname brain

3. temporarily set hostname so I don't have to reboot now # hostname brain

Adding a named user

1. Add named user besides root # adduser scot

2. Add named user to sudo # usermod -aG sudo scot

Check SSH installation and fix it!

Install fail2ban and configure ssh service.

1. Check if it is running # systemctl status ssh => it should be dead.

   1. Enable ssh systemctl enable ssh

2. Install fail2ban # apt install fail2ban

   1. Configure based on information at https://www.tecmint.com/install-fail2ban-ubuntu-24-04/

   2. Note that I don't have a jail.local instead I have a jail.conf
3. Require ssh to use ssh-key

   1. copy a key to host # ssh-copy-id -i [file.pub] scot@host.scotnpatti.com

   2. Login # ssh -i [file] scot@host.scotnpatti.com => works? Good!

   3. edit /etc/ssh/sshd_conf add:

      1. PasswordAuthentication no

      2. PubkeyAuthenticaqtion yes

   4. edit /etc/ssh/sshd_conf.d/50-cloud-init.conf

      1. PasswordAuthentication no

   5. restart ssh # systemctl restart ssh

   6. enable ssh # systemctl enable ssh

   7. Test it to make sure it works as required.

Install DNS Server Bind9

Done: this was a huge problem to accomplish and required frequent documentation reference. For configuration information refer to the installation or the backups.

Install Caddy

Install caddy to reverse proxy as needed.