Don’t forget to register new Ubuntu with esm

https://ubuntu.com/esm

Stop services on old image (apache2, mysql)

Using rsync to (mostly) migrate over to new server after verifying base OS is the same:

Update all the things

• DNS (@ to new ip, spif record new ip)
• hostnamectl set-hostname my host name
• Enable ufw, fix sshd port (systemctl daemon-reload; systemctl restart ssh.socket)
• Restart

Fix postfix sasl auth https://serverfault.com/a/1160956

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