Tutorials

How to bridge networks with OpenVPN

For this setup I'll assume that you have two networks, A and B, in different locations, both connected to the Internet with broadband. At each...
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Vim tips: Working with external commands

  Vim is a powerful editing tool, but there are some things it just can't do. However, Vim lets you access shell commands and utilities without...
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Using screen for remote interaction

  Recently I needed to do some distance education; one of my coworkers wanted me to show him how to do software builds on Linux. The only...
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Create a secure Linux-based wireless access point

  Wi-Fi Protected Access version 2 (WPA2) is becoming the de facto standard for securing wireless networks, and a mandatory feature for all new...
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Vim tips: The basics of search and replace

Let's start by looking at searches and doing search and replace operations within Vim. You can do a search in normal mode by using /searchstring ....
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Ten tips for new Ubuntu users

1. Getting multimedia to work The default Ubuntu install contains free software only, which means that it doesn't support some popular multimedia...
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Vim tips: Folding fun

  The problem with writing and editing on a computer, versus having words on paper, is that it's usually hard to compare text from different...
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Vim tips: Using viewports

  A lot of folks use Vim, but many exploit only a small percentage of the editor's features. Sure, you might know how to do the basics in Vim,...
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Manipulating PDFs with the PDF Toolkit

  Creating and reading PDF files in Linux is easy, but manipulating existing PDF files is a little trickier. Countless applications enable you...
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Bandwidth monitoring with iptables

  Most of the time we use iptables to set up a firewall on a machine, but iptables also provides packet and byte counters. Every time an...
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