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When I installed Mint 17 (Quiana) my boot menu had to be updated. Unfortunately the Grub Customizer was missing. I installed it with

  1. sudo add-apt-repository ppa:danielrichter2007/grub-customizer
  2. sudo apt-get update
  3. sudo apt-get install grub-customizer

I found the information on this site which also has other useful hints about steps to execute after a Mint installation. So it's worth to visit this page.

 

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A screensaver is a useful tool but unfortunately it's annoying when there are active applicatoins like kaffeine or teamviewer and you have to move the mouse periodically just to deactivate the screensaver. Fortunately there exists a nice tool called caffeine. Just configure the applications you want to force to deactivate the screensaver and enjoy to view videose or to have remote sessions with shared screen without any screensaver interuption.
Unfortunatel it doesn't work any mor on Mint Maja with Mate. There fortunately exists a patch.
 
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Every time people tell you a RAID is no backup. Why?

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Following article describes how I create Youtube Videos from my computer screen with as little effort as possible.

 

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Just to show the capabilities of the raspiBackup Installer. I searched for a tool which allows to create a video of the demo quickly as a simple video - an animated gif. Finally I used peek - a simple but covers everything. See the result:

 

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i got this error message whenever I tried to call zenity in a cron job of a user. I found some hints in the net but still failed. But's its just 2 commands you have to add.

 

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Today I found in c't 22/2014 22/2014 (German computer journal) a nice article with the same title. Examples show how easy you can combine various commandlien tools in Linux and follow the Unix Philosophy and manipulate without any Programming text files, split and join them. Applications are to process csv files, log files or word frequency analysis and much more. recently I had a similar problem with text files which I solved using most of the tools mentioned in the article. But I was suprosed to read that the tools are much more powerful when you use special parameters. It's a good idea to read the man pages of the tools. On following pages I summarized all tools together with their most powerful parameters.

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From time to time a Linux user want's to get a more detailed view about his system: That will be CPU utilization, netowkr information, disks and IO etc. On Linux fortunately there are a lot of different tools available. 

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It's quite easy - if you know how to do it:
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ftp is a very old but still commonly used file transfer protocol. There exist various tools on the commandline and even GUIs which allow to transfer files easily. On Linux it's even much more easy: You can mount the file system managed by a ftp server as a normal Linux disk. Now you can access the the files with all commonly available tools on Linux to handle disks and you don't need any special ftp tools any more. The following page describes how to configure a ftp server as disk.
 

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Everybody working most of the time in the command line can use shortcuts to enter, modify and change commands and will speed up the work.

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Mint11 is now out of service and it's time to upgrade to a newer version. Mint14 is now already available but I want to upgrade to Mint13 lts which will give me a longer service period. Upgrading is a quite difficult because I have customize my system quite a lot and that's why I try to minimize the upgrades as much as possible. I have a 1TB disk which owns multiple LVM partitions and want to install Mint13 on a new LVM partition. That way I don't have to repartition my disk and create a new physical partion on my disk and I can switch between both Mint versions in the transition phase easily.  If somebody is interested in the advantages of an LVM just read this article.
 
Actually I followed this description. Ther is one minor difference: There you create a PV and LVs and don't use an existing LV. The differences are minor - you only have to skip all steps related to the creation of a PV and LV.