This tutorial screencast will show you how to set up a non-root superuser account (sudo) and SSH key authentication on an Ubuntu 14.04 server. Following these steps can improve the security of your server, and is recommended for all Linux servers.
A written tutorial on the same topic can be found here: [ Ссылка ]
Check out the DigitalOcean Community for more system administration tutorials: [ Ссылка ]
Leave a comment or tweet at Mitchell and DigitalOcean to tell us if this helped you.
To learn more about DigitalOcean: [ Ссылка ]
Follow us on Twitter: [ Ссылка ]
Like us on Facebook: [ Ссылка ]
Follow us on Instagram: [ Ссылка ]
Tweet at Mitch! [ Ссылка ]
![](https://i.ytimg.com/vi/EuIYabZS3ow/maxresdefault.jpg)