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RIP Ubuntu 16.04 Xenial Xerus

Linux

EOL of Ubuntu Xenial: Beware of these Ubuntu LTS upgrade gotchas

Goodbye, Ubuntu Xenial Xerus! In these days the widely used Linux distribution Ubuntu 16.04, code ...

By Claudio Kuenzler

April 16, 2021

USB Disk Writer

Linux

Best way to create a bootable USB stick from an ISO image on Linux

Creating a bootable USB stick on Linux can sometimes be a pain, depending on the ...

By Claudio Kuenzler

March 11, 2021

Linux Hardware Detection

Linux

How to find and show hardware information in Linux

Microsoft's Windows has one very nice feature concerning hardware detection: The Windows device manager. The ...

By Claudio Kuenzler

March 8, 2021

Linux Kernel 5.12

Linux

Linux Kernel 5.12 looks very promising: I/O performance boost and idmap mounts!

Linux Kernel 5.12 started with a bumpy road, as chief maintainer Linus Torvalds had to ...

By Claudio Kuenzler

March 2, 2021

Grafana not showing data graph

Linux

How to work around the nagios-plugins check_disk perfdata bug in CentOS

The check_disk monitoring plugin, installed from the nagios-plugins-disk package from EPEL, contains a bug which ...

By Claudio Kuenzler

February 18, 2021

Linux

Linux

Linux Kernel 5.11 "Valentine's Day" released and 5.12 development delayed

The Linux Kernel 5.11 was officially tagged and released on February 14th 2021 and nicknamed ...

By Claudio Kuenzler

February 17, 2021

How DNSBL works

Linux

What is a DNSBL (DNS Black List) and how do they work against spams?

A DNSBL, also known as DNS Black Lists or DNS Block Lists or RBL (Real-time ...

By Claudio Kuenzler

February 4, 2021

Introduction and how to install Varnish Cache

Linux

How to install Varnish Cache on Linux (and introduction)

Varnish Cache is a, as the name says, a (open source) software which caches content. ...

By Claudio Kuenzler

February 3, 2021

Linux

Linux

How to mass change file ownerships, even symbolic links

A situation may happen, where one must quickly change the ownership of all files matching ...

By Claudio Kuenzler

January 29, 2021

Dead End

Linux

When you hit the end of the kill road: The uninterruptable sleep state

We all know this from Windows: A process is using all resources and is freezing ...

By Claudio Kuenzler

January 26, 2021

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