Two ways you can secure a server are by using TCP wrappers and by setting up a chroot jail. This section describes both techniques. TCP Wrappers: Secure a Server (hosts.allow and hosts.deny) Follow ...

AWK is a pattern-scanning and processing language that searches one or more files for records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

The world of Linux is ready to welcome you, with a shower of free open-source software you can use on any PC: hundreds of active Linux distributions, and dozens of different desktop environments you ...