Various Linux links for backing up.

Collected these links so long ago, I’m not sure what exactly I was doing that day. I’m sure it had to do with adding a user that would create backups with cron from a remote server.

Sorting the easy way to add users on ubuntu. Getting the date while in a bash script. When logging in remotely in a cron script it’s nice to have a non-interactive way to authenticate. Some details on transferring information from one server to another using ssh.  And finally, the program I’ve been hearing about for quite some time but never really took the time to get into, GNU Screen.

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