If you’re looking to get notified when someone logs into your Linux servers via SSH, Jack Wallen is here to show you how to set this up. I do a lot of testing on open-source software, and sometimes, I ...

The winner of Linux Journal's 2004 Editors' Choice Award for Security Tool was ClamAV, a 100% free and open-source virus scanner that runs on Linux but scans for viruses that affect a variety of ...

I'm trying to setup a Postfix server, but I can't seem to get the mailboxes configured correctly. Every time I try to test sending an email using telnet, I see errors in the Postfix logs.

Configure IT Quick: Set up a basic e-mail server with Postfix as the MTA Your email has been sent For all the apparent simplicity of e-mail, setting up a mail server is one of the most difficult ...

I've been playing with Trixbox and Elastix for a little while now. This has been my only experience with *nix, but I've learned a bit over the past year. I was having issues with Trixbox so I moved to ...