In the world of command-line text processing, AWK stands tall as a versatile and powerful tool. AWK is a domain-specific programming language designed for handling structured text data. With its concise syntax and robust capabilities, AWK enables users to perform complex operations on files, extract specific information, and transform data effortlessly. In this blog post, […]
Linux Server Performance Mastery: BCC/BPF Tools
As a Linux server administrator, optimizing performance and troubleshooting issues is essential to ensure smooth operations. Fortunately, the BCC/BPF (Berkley Packet Filter) ecosystem offers a powerful set of tools that can aid in this process. Discover popular BCC/BPF tools and their functionalities. As seen in the image above, BCC/BPF tools provide powerful capabilities for performance […]
Maximize Your Linux Efficiency with Pro Tips on Using Regex
Regex, or Regular Expressions, is a powerful tool in Linux that allows users to search, match, and manipulate text efficiently. It can save you time and effort by automating tasks that would otherwise take much longer to complete manually. Whether you are a seasoned Linux user or just starting out, understanding how to use regex […]
How to clean your Archlinux
Been using a while your computer, you may think about cleaning it from unused packages, pacman caches and dead files and symlinks specially when my PC runs out disk spaces. Clean Pacman package’s cache: Every time you install packages, your system cache the downloaded old package in a folder and doesn’t remove it after install. […]
Linux Bash cheat sheets
Writing a Bash script is very hard, I usually write some to automate things, to verify files, directories and run scripts like Ansible or kubectl. As a devops, you need sometimes to compare env variables, find and replace text in different files.. So, I found this cheat in github, it’s helpful. I you are looking […]
Linux Files Permissions
What is File Permission? Working on file permission is weird when you start using Linux as an operation system. Imagining have a project folder and you want to change permission to be able to execute the run.sh script 🥲 First, when you run ls -al on your project folder 📂, you should see something like […]
Useful .zshrc aliases
I mostly use these commands when I’m working. So for example, to make quickly a new folder, init the git repo and switch to develop branch, monitoring, cleaning, so I made this gist available and I will update it in case of a new helpful commands.
Raspberry PI: SPI Performance On Linux 5.4+
A new pull request has been made for Linux 5.4+ about the SPI performance (Serial Peripheral Interface). A big performance enhancement for the bc2835 (Raspberry Pi) driver for unidirectional transfers from Lukas Wunner.
[Linux] Wget ou Curl?
Avant tous, pour ceux qui ne connaissent pas Wget et Curl (Client URL Request Library), se sont deux commandes Linux développées pour télécharger des fichiers depuis INTERNET. Le principe est simple, ces deux commandes se comportent comme le navigateur mais gardent le contenus en sortie qui sera principalement affiché dans le navigateur mais là dans le […]
La raspberry PI 3 est sortie
La communauté internationale Raspberry PI fondation a annoncé qu’aujourd’hui 29 Février 2016 sera la date officielle de la troisième carte Raspberry avec plus 10x de performance par rapport la première carte. Après avoir vendu plus que huit millions d’exemplaires dans le monde entier, cette communauté ne cesse jamais à contribuer dans l’univers du logiciel libre […]