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Software June 23, 2023 Welcome RedHat to the game of ... well, business going crazy RedHat is forcing clones to rework their operational model (and maybe breaking their promise) . The community is not liking the decision. Take this for example: … Read more → Software November 19, 2019 A not so obvious reason for an auth error with SSH Problem You try to stay to secure. Say what? Yes, too secure. If you work for different customers and you are like me you might not want to use the same key for … Read more → Software July 22, 2019 Running brave on Linux Running the brave browser on Linux On some Linux systems the brave browser starts with an error stating Unsupported command-line flag: –no-sandbox. The browser … Read more → Software June 18, 2019 PyCharm an i3 i3 and PyCharm: the uglyness that is the splash screen I am running i3 on my machine. It makes me (maybe subjectively) more productive than something like KDE … Read more → Software June 4, 2019 Using dash as /usr/bin/sh? - think twice You will find some advices to use another shell than bash as /usr/bin/sh (or /bin/sh). One of the major reasons why this is proposes is speed. While bash is a … Read more → Software January 7, 2019 Locking and unlocking your desktop with an USB device Goal I recently ordered a Yubikey to secure some of my accounts. When it arrived and the key was linked to the desired accounts I started to look into using the … Read more → Software June 22, 2018 A docker firewalld with CoreDNS story I started to use firewalld to secure my system. When I fired up a container and wanted to access the internet I got name resolution errors. You could go for … Read more → Software June 8, 2018 Open a port for an IP range Using firewalld this is a so called rich rule. To open the ssh port for 192.168.1.0/24 you have to do like this: firewall-cmd --permanent --zone=home … Read more → Software June 8, 2018 Install Go Versioned This script extends the previous one by installing GO into a version directory and having the environment variables point to a current link #! /usr/bin/env bash … Read more → Software May 30, 2018 Build Git Overhaul I wrote a post about [building git]({{ ref “build-git.md” }}) a while back. Since then I have added some additional features such as installing … Read more → Software May 29, 2018 tmpfiles.d - or why are my temp files in /tmp gone? In later Ubuntu versions tmpfile.d is used to keep /tmp clean. That is, after a reboot, your files you placed in there are vanished. Kind of a bummer when you … Read more → Software May 8, 2018 How to repair your multi file VMWare disk Recently I deleted a snapshort from my virtual machine and I got a message that the virtual disk needs repair. The site Repairing a virtual disk in Workstation … Read more → Software May 8, 2018 How to change your SSH key password From time to time you should change your password. Everyone knows. For your SSH key this is as simple as changing your Linux login password: ssh-keygen -p -f … Read more → Software April 11, 2018 Arch Keyring Problem When I wanted to upgrade my ArchLinux installation I got an error about a failed lookup for a key: error: key "<KEY ID>" could not be … Read more → Software March 29, 2018 Install Personal Golang Problem I wanted to set up a Golang environment on a Linux machine and do it repeatedly Solution I created a bash script that downloads Golang and creates a … Read more → Software March 29, 2018 Compile Mutt I am using mutt as my mail reader and I like to have a rather new version than the one included in LTS linux releases. Therefore I am compiling my mutt version. … Read more → Software February 23, 2018 Arch Linux: zita-resampler 1.6.0-2 update The problem On update pacman errors about existing file /usr/lib/libzita-resampler.so.1. ldconfig created a symlink that should have been installed with 1.6.0-1 … Read more → Software October 23, 2017 Build Git My problem I want to have an up to date git on my Linux system ( currently KDE neon ) My solution I wrote a little script installing the prerequisites, … Read more → Software September 6, 2017 Installing elixir - a quickie This is a short script to install elixir (done this on a Ubuntu 16.04 based distribution) with a fish shell: wget … Read more → Software September 4, 2017 Virtualbox I recently installed a new Linux machine for a colleague. He used Virtualbox and I wanted to install it for him on his new machine, too. The obvious way would … Read more → Software September 4, 2017 No network time protocol My problem My machine was off by two hours after a restart even though /etc/timezone pointed to the correct timezone. A temporary solution was to execute the … Read more → Software August 23, 2017 Contagion R.A.T.7 mouse on Linux I like using the Contagion R.A.T.7 mouse and to use it with Linux you must configure the mouse correctly in terms of buttons. Essentially there are buttons (the … Read more → Software August 23, 2017 chntpw to the rescue My problem I got a Windows 8.1 PC and wanted to reset the password for local administrator account. A reset was not successful so I switched to using a Linux … Read more →