Debian 10 has now fully switched to Systemd which means that the traditional commands to halt or reboot a system…

If all your visitors shall access your website with a URL like www.domain.com and not without www, use the following…

When a server has more than one IP address, then postfix will use all IP addresses randomly to send out…

If you use postfix and / or amavisd-new on the mail server, you can use the following recipes to block…

Sometimes you might have to work with the Spamassin Bayes Token database. This is the database that is used by…

NOTE: This post is about ISPConfig 3.0 and not 3.1 and newer. ISPConfig 3.1 and newer has DKIM support builtin,…

You get the following error message while installing a .deb package on Debian or Ubuntu or while installing Updates? E: Could…

Ubuntu's Unity graphical shell is pretty good when it comes to customization. Just think of a change, and you'll find…

While shutting down (or other similar operations like restarting and logging-out) aren't difficult to launch in Ubuntu (you can find…

Sometimes, it helps save precious time if you can quickly access recently-opened files. In Ubuntu, the file explorer that ships…