How to Transition from init to systemd: Getting Started

The change from classic init to systemd is a really big one. Some may even say controversial! A few old standbys still work — for now — as automatic workarounds. We can still do major state changes with reboot, halt, and poweroff; by running init with a numerical argument, and with shutdown. Also, Red Hat’s […]
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How To Customize Your Linux Interface — Part 2

Last week I explained how to get your keyboard and mouse button layout set up just the way you want them. Along the way I mentioned something called the Compose key. Let’s see what it can do for us! With last week’s correction and modification of the keyboard layout, we made sure that all the […]
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How To Customize Your Linux Interface — Part 1

Your keyboard and mouse are your interface to Linux, so you should customize them to match your personal tastes and habits. First of all, make sure that the has the correct keyboard layout, so you get the correct character when you press a key. But beyond that very fundamental step, you may want to remap […]
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How to Patch Linux Systems to Protect Against the GHOST Vulnerability

Bob Cromwell, the other security author on this blog, wrote about the GHOST vulnerability in the Linux glibc library. He explained what glibc (“the C library”) is and about the origin of the GHOST vulnerability. He ended with, “Patches are easy to check and easy to apply, so keep your servers safe!” Since I updated […]
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How to Make the vi Editor in UNIX Even More Powerful and Friendly

The vi editor is the standard editor for the UNIX family of operating systems. It will be there, and as long as you get your terminal type correctly defined (VT100 is usually a safe and adequate choice), it will work. It doesn’t need graphics, and it does not rely on having the special keys defined. […]
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