Switch Debian 10 RC release to stable

When you installed your Debian 10 server by using one of the pre-releases, then you will get the following error message now that Debian 10 (Buster) has been released. N: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Version' value from '' to '10' E: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'testing' to 'stable' ... Read more

How to Backup/Clear/Restore a SpamAssassin Bayes Database

SpamAssassin Bayes Database

Sometimes you might have to work with the Spamassin Bayes Token database. This is the database that is used by the SpamAssassin Self Learning (Bayesian) Classifier to store the ham and spam tokens. This tutorial will show you how to make a backup of that database. E.g. when you want to move it to a ... Read more

How to Find PC’s Hostname Using Linux Terminal

Show Linux hostname with hostnamectl command

Just as Internet Protocol address or IP address gives an identification to your device, similarly, hostname is another parameter through which you can recognize your device. It is a string of human understandable characters. Unlike IP address, hostname of a PC is easy to memorize and recall. For this purpose, one should always know his ... Read more