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Linux tips

In my day job I am managing Debian and Ubuntu systems. However dealing with the operating system is just one part. Even more important is knowing your tools. And there is a hell of a lot of open source software packages available that attempt to make your life easier. But each of them works differently and even if you mastered one tool it will often not help you work with another. Whenever I find something interesting I am trying to write an article about it. May they help broaden your mind, too.

Linux tips 

Understanding LVM (logical volume manager)

LVM is a neat feature that some system administrators still shy away from. But it’s really not that hard to

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Linux tips Thoughts 

Debian packages are so old

Debian comes with tens of thousands of software packages that you can easily install on your system. But Debian only

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Linux tips 

Updating the BIOS on Lenovo laptops from Linux using a USB flash stick

Aren’t hardware manufacturers funny? They either require an old-fashioned operating system (Windows) or museum hardware (floppy drives) to update a

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Linux tips Thoughts 

Moving contacts and calendar entries from Google to OwnCloud

As an Android user it’s hard to evade Google. You won’t be able to install apps without creating a GMail

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Linux tips 

Docking and undocking Linux laptops with nVidia GPUs using disper

Do you have trouble switching the display when docking and undocking your Linux laptop? In this article I will show

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Linux tips 

Backups with rsnaphot to external USB drives

How long has it been since you last backed up your Linux system? Let me guess – you tried various

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Linux tips 

Renaming multiple files

If you need to rename a larger number of files following a certain pattern then you will long for an

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Linux tips 

Pipes and redirection

Many system administrators seem to have problems with the concepts of pipes and redirection in a shell. A coworker recently

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Linux tips 

NFS: sec=sys or ruin your day

And once again I was bitten by problems on my Debian laptop mounting directories from the file server via NFS.

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Linux tips 

Using tcpdump and Wireshark to sniff and analyse your network traffic

Sometimes a network service is just not behaving the way it should. And the log files do not help you

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