Z-Wave Associations with Home Assistant
Introduction Configuring associations Setting associations Removing associations Last words ...
Ansible Snippets
Bootstraping Execution order Create a file without external template Creating inventory script Writing ansible modules in sh ...
Modifying VM configuration with libvirtd
The other day, I had to update a VM configuration managed via libvirt from the command line. There are different ways to do this. The easiest probably is to use the virt-manager application and use the GUI to modify things. ... virt-manager screenshot ... ...
Comments enabled
Today I enabled comments on this blog. You need to have an github account in order to make comment. This is because the main audience for this blog is developers and this should cut down on the spam. Comments are stored GitHub Issues using the Utterances comments widget. I chose Utterances because: ...
Tweaking HDMI dummies
Prepare EDID blob Modify Kernel command line Update initramfs Reboot Post boot EDID ...
Docker in Docker
Introduction Method 1: Mounting /var/run/docker.sock docker.sock permission error ...
Telekom Cloud CI/CD demo
Pre-requisites Preparation Base infrastructure Notes ...
Linux desktop default apps
User configuration System-wide configuration Additional files References ...
Linux Serial Consoles
Intro Hardware Null modem Cisco style ports ...
Adding a serial port to a QNAP TS-251D
I am using a QNAP TS-251D NAS. Because I would like to switch from QTS to Alpine Linux I though it would be useful to enable the serial port. The TS-251D has a built-in serial port that is already enabled and only needs to be connected. For that you need a number of parts: ...
3D Printing updates
A quick guide to 3D printing materials
UEFI boot on Raspberry PI
Introduction Prepare SD card Copy UEFI UEFI boot Adding grub ...
Ansible Best Practices
This is a conversion from a presentation/pdf by Tim Appnel. I attached a copy here too. Roles and Modules ...
hoses: enhanced socks5 tools
Introduction Features Where to find Examples ...
OpenSSH Certificate Authority
Intro Creating CA Configuring Hosts Singing user public keys Using certificates ...
Why Ansible?
As part of an effort of standardising my home lab I decided to migrate my ad-hoc configuration scripts into a more standard tool set. So I looked at: puppet chef ...
OpenTofu
Introduction Origins Why use OpenTofu Using OpenTofu ...
Inetd like service with systemd
This is an example of a socket-activated per-connection service (which is usually referred to as inetd-like service). A thorough explanation can be found at 0pointer.de. Define a socket unit The key point here is to specify Accept=yes, which will make the socket accept connections (behaving like inetd) and pass ...
Locking down SFTP
This is a small recipe to increase the security around a SFTP interface. In the /etc/ssh/sshd_config file include the following settings: Subsystem sftp internal-sftp This configures the sftp subsystem to use the internal sftp implementation. This is because inside the chroot, we usually will not have the normal ...
Python GUI
After looking a multiple options of GUI programming under python I eventually settled for tkinter. The main reason was that tkinter is very ubiquitous and initially though the learning curve wuld have shorter as I was very used to GUI programming using TCL/TK. Turned out that what I known TCL/TK did not translate ...
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