Sometime we've seen this error when executing e.g. bundle exec rake asset:precompile: double free or corruption (out)
With Ubuntu 24.04 it's not longer possible to setup FDE with BTRFS The new installer won't offer you...
When setting up cronjobs, commands somtimes output something every time. If these commands don't support limiting their output to...
There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...
If you want to find out what type of network card is used for a given network interface on a...
Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate...
Intel CPUs receive updates, including security relevant upgrades, through 2 channels: Firmware/UEFI BIOS updates can also update the microcode in...
When you're using a third party repository on your Ubuntu or Debian system and need to find out which...
If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
When you get this error message from e.g. loginctl show-user [...] after you deleted a user from your system:
What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...
Unfortunately I couldn't find a complete and working documentation on how to do this. But this steps succeeded (at...
Hint This applies only to distributions based on Debian. Requirement You need to setup the PostgreSQL Apt Repository first.
You will need to look here and find your own device. Look for the "bootable CD" download, which will give...
Brendan Gregg is the Linux performance god. Use the information in this link to find out what ways there are...
Like Railscasts or Ruby Tapas, but for Linux.
swaks is a very nice tool to test SMTP. For the most linux distributions you can easily install it with...
Create a 1 GB file to swap to (we have sufficient space on / on this machine. Use a different partition...
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Orca is a Linux screen reader. Since it is part of the GNOME project it should come preinstalled with Ubuntu...
Ubuntu 24 added some guarding for Python packages which no longer allows installing applications through pip on system level. Instead...