Using 7z for benchmarks
Syntax LZMA benchmark details LZMA benchmark in multithreading mode 7-Zip benchmark Examples ...
Posts published by: alex
Replacing failed drives in a md array
In a Linux softraid, you may have to replace failed drives. As usual, backups are still needed, but hardware failures can be covered by RAID levels. ...
3D Prints
The other day, the 3D model I created back in 2016 finally broke. So, as such I created an updated model: For this I am using the same service from my 3D Printing updates ...
Filesystem discard
Now with the prevalence of SSD's for storage, it is important to make sure that the DISCARD operation is used. This is specially true as this can increase the lifetime of your flash storage by reducing the need to re-map blocks by simply marking them as freed. ...
DRBD Preload
This is a continuation to VM disk replication. One of the steps needed for VM disk replication is the need to pre-load the replicated volume. For the project I wrote, we had two mechanisms: ...
VM managed disk replication
Introduction High level overview Deployment Required packages ...
Documenting Architecture Decisions
Context Approach Format Conclusion ...
Alpine Boot
This is a quick note. In Alpine linux you can run start-up scripts by enabling the local service: rc-update add local default When this is enabled, it will run all executable scripts that end with .start on start-up and scripts that end with .stop on shutdown. ...
Y2K38 filesystems
Background What to do xfs ext4 ...
NEW YEAR 2025
This year this Blog would have been up and running for 12 years! Happy new year sticker created by Icon home - Flaticon ...
Single Page Application
As the last post of the year, I am posting my attempt at a simple "Single Page Application". A single-page application (SPA) is a web application or website that interacts with the user by dynamically rewriting the current web page, instead of the default method of loading entire new pages. The goal is faster transitions that make the website feel more like a native app. ...
Fitbit reset
How to reset your Fibit Charge 5, 6 or Fitbit Luxe? You can reset your Fitbit Charge 5, Charge 6, or Fitbit Luxe in 2 ways: Soft reset: restart your Fitbit. You keep your data. ...
Python development tips 2024
Local install packages Better debugging Built-in exceptions Adding site specific customizations Constants ...
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 ...
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