Entries tagged as howto

Performing push backups – Part 2: rsnapshot

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After I discussed a possible backup solution using rdiff-backup in the last part of this series I want to show you the second tool which is rsnapshot.

As I already pointed out, I'm not using rdiff-backup anymore. The reason is mainly that it is simply too slow. I'm using a Raspberry Pi as my NAS and it is absolutely not capable of handling larger backups with rdiff-backup. It works for smaller backup sizes, but not for my entire home directory. Even when I pushed the initial full backup directly to the backup disk (not using my Raspberry), all future incremental backups were still unbearably slow. Even when no files changed at all, it took hours over hours for simply comparing all the files I had in my home directory to those on the NAS, whereas a full comparison using rsnapshot is done within five to ten minutes. Now keep this in mind and look at the fact that incomplete backups made with rdiff-backup can't be resumed. You could imagine that in the end you wouldn't have any backup at all. Basically all rdiff-backup would do is to compare and push your files over the day and abort in the evening when you shut down your workstation. And then the next day it would spend all the time reverting the incomplete backup and running another one which might not finish either.

So this is the main reason I stopped my experiments with rdiff-backup. It was a nice time, but I finally moved on. Therefore say hello to our new precious star: rsnapshot!

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#3: Get more loop devices

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Loop devices on Linux are virtual devices which can be used to mount files like real devices. For historical reasons you have 8 such loop devices by default, but in current Kernel releases you can of course use more than just 8.

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Boot your Linux silently

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When you freshly set up a Linux distribution by hand, you get a lot of verbose output when booting into your system, but also install'n'go distributions like Ubuntu oder SUSE output some text when loading the kernel. This is not always desired and many people want to suppress these insistent system messages, but it's not as easy as you might think.

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Set up GTK application icons on KDE

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Gnome and KDE come more and more together but there are still some differences which sometimes might lead to incompatibilities between these two large desktop environments. Whereas you have relatively few problems with KDE applications on Gnome there are far more problems when using Gnome applications on KDE even though there are some compatibility engines. In this Howto Blog post I'll show you a way to converge GTK and Qt as much as possible from the perspective of a KDE system.

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