Tutorials

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Manage LDAP servers
Learn how to manage all your LDAP servers from a single point of entry with Apache Directory Studio.

How to Install Apache Directory Studio and Connect to an OpenLDAP Server

If you happen to administer one or more OpenLDAP servers, you know that they can be a challenge to work with. Working with LDAP itself can be a bit...
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vim
Vim is so flexible you can make it do just about anything with a minimum number of keystrokes.

An Introduction to Vim for Sysadmins

Why, you ask, should anyone care about Vim? It's complex, it's so old it's a fossil, and you like Kate/Leafpad/Geany/Gedit/Nano/Jed/Lime/Emacs/what-...
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How to Perform Pattern Search in Files using Grep

In our first article on the grep command, we covered quite a few features the tool offers, including how you can use it to search only for words,...
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How to Install and Configure FTP Server in Ubuntu

FTP (File Transfer Protocol) is a relatively old and most used standard network protocol used for uploading/downloading files between two computers...
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regex search
Regular expressions are a powerful tool for pattern matching and searching that every sys admin should know.

An Introduction to Regular Expressions for New Linux Users

Regular expressions are a powerful means for pattern matching and string parsing that can be applied in so many instances. With this incredible tool...
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How to Install pandom: A True Random Number Generator for Linux

This tutorial explains how to install pandom: a timing jitter true random number generator maintained by ncomputers.org. The built-in Linux kernel...
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Understanding the Difference Between sudo and su

In one of our earlier articles, we discussed the 'sudo' command in detail. Towards the ends of that tutorial, there was a mention of another similar...
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Linux audio
Learn about MOC and SoX for playing audio files, and feh for viewing image files from the Linux command line in this tutorial.

3 Good Command-Line Audio and Graphics Apps for Linux

It is often faster to use command-line apps to play audio files and preview images than to futz around launching and using a graphical application,...
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How to Install Snap Applications on Ubuntu 14.04 LTS

Ubuntu 16.04LTS was released by Canonical back in April last year. Among some of the key new features it brought, one was a new packaging format...
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Getting Started with PowerShell 6.0 in Linux [Beginner Guide]

After Microsoft fell in love with Linux (what has popularly come to be known as “Microsoft Loves Linux”), PowerShell which was originally a Windows-...
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