Command Line: Vim Search Commands Search and search-and-replace in Vim

Dec 19, 2012

We show you how to build on the basic functionality of Vim by introducing some useful search commands.

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Charly's Column: Di The sys admin’s daily grind – Di

Dec 19, 2012

The more frequently a command is used, the fewer letters it should have, so the use of twokey commands like ls, mv, and df is second nature. We look at a previously little-known representative of this club, di.

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OpenSSL with Bash Using the OpenSSL toolkit with Bash

Dec 04, 2012

Cryptography is an important part of IT security, and OpenSSL is a well-known cryptography toolkit for Linux. Experts depend on OpenSSL because it is free, it has huge capabilities, and it’s easy to use in Bash scripts.

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Command Line: File Management Advanced file management

Nov 26, 2012

Once you’ve mastered the everyday commands for manipulating files, you might want to do more. We show you some powerful commands for advanced file management.

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Command Line – Killing Processes Shutting down applications and systems

Oct 26, 2012

Linux offers a variety of tools for shutting down systems and processes. We describe some important commands.

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Command Line: Mounting Devices Readying devices for use

Sep 21, 2012

We show you how to add devices to and remove them from your system while keeping it stable and secure.

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Charly's Column: GeoIP Lookup The sys admin’s daily grind – GeoIP lookup

Aug 23, 2012

The global village is big enough to want to find out where your friend and enemies have set up camp. Charly offers a quick IP-based introduction to geography.

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Command Line: More Secure Passwords Improving account passwords

Jul 24, 2012

Even with encrypted drives, account passwords remain one of the prime security methods for any Linux system. With a little knowledge of the available commands and their options, you can make your account passwords more secure.

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