Enable Key based SSH (for machine to machine talking (backup, etc))

Thanks to Dan for expediting this one! mikrodots@MikroDroplet:~$ ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/home/mikrodots/.ssh/id_rsa): Created directory ‘/home/mikrodots/.ssh’. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/mikrodots/.ssh/id_rsa. Your public key has been saved in /home/mikrodots/.ssh/id_rsa.pub. The key fingerprint is:[…]

Unix set Hostname

Set Hostname: (Derive what you need from the following): root@MikroDroplet:/home/mikrodots# hostname MikroDroplet root@MikroDroplet:/home/mikrodots# cat /etc/hostname MikroDroplet root@MikroDroplet:/home/mikrodots# cat /etc/hosts MikroDroplet.MikroManage.com MikroDroplet localhost root@MikroDroplet:/home/mikrodots# hostname MikroDroplet root@MikroDroplet:/home/mikrodots# hostname -f MikroDroplet.MikroManage.com

Ubuntu UFW – Uncomplicated Firewall

Ensure you are firewalled: root@MikroDroplet:/home/mikrodots# apt-get install ufw Reading package lists… Done Building dependency tree Reading state information… Done ufw is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded. root@MikroDroplet:/home/mikrodots# ufw allow 22/tcp Rules updated Rules updated (v6) root@MikroDroplet:/home/mikrodots# ufw enable Command may disrupt existing ssh connections.[…]