System & Network Admin

The newly released Debian 12 offers numerous benefits, including updated software packages, enhanced security, improved hardware support, and new features.

This step-by-step guide shows you how to safely upgrade to Debian 12 "Bookworm" from Debian 11 "Bullseye" to enjoy the latest features!

Today I’m going to show you how to automatically mount a drive at boot time in Linux. My laptop has one SSD and one mechanical drive. I install operating systems on SSD and store files on the mechanical drive. So oftentimes I need to mount the mechanical drive in the file manager manually to access…

Dolphin is the default file manager of the KDE Plasma Desktop Environment. It is considered as one of the most comprehensive and feature-rich file managers available for Linux distributions. Yes. It has tons of features and you may not be aware of all of them. One such feature is file

Find all keyboard shortcuts and tips and more about technology on DefKey.com!

A Encryption Lightbulb Moment

Kind is one of the easiest ways of starting out with Kubernetes development, especially if you're just beginning your work with containers.

We have a two tier setup. We have a primary repository (called 'primary' below). And a secondary repository (called 'secondary' below) that was created like so: $ git clone --bare --shared $REPO_A/

In this article, we are going to review some of the best IPAM software that you can use to manage IP addresses in your Linux network.

It is always a good practice to know the hardware components of your Linux system is running on, this helps you to deal with compatibility issues when it comes to installing packages, drivers on your system.

Kubernetes' preferred methods of scheduling workloads are not cost-effective for those jobs requiring expensive GPUs. Here's a better way to run these jobs.

In this article, we will share interesting command-line tools to generate random passwords and also how to encrypt and decrypt passwords using the slat method.

Tutorial on how to setup dynamic nfs provisioning in Kubernetes Cluster. It allows you to automatically provision nfs volumes for pods and deployment on-demand.

ISRG's Prossimo is moving critical software to memory safe code.

This post is a wiki post. Anybody can edit it to provide useful tips for whitelisting. Editing abuse may result in a ban from the forums! Whitelisting Tips List any tips you've discovered on how or what to whitelist in order to solve specific issues! Google (Maps, Youtube, etc) Google Maps and other Google services pihole -w clients4.google.com pihole -w clients2.google.com YouTube history pihole -w s.youtube.com pihole -w video-stats.l.google.com YouTube App for iOS pihole -w www.goog...

Reliable data pipelines are critical to industry, providing key information about the state of machinery and to train predictive models to improve operations.

Optimize your boot times with Docker!

(For Chinese readers) 插播一则通知！好久没有更新博客了。今年我将会重新开始发表一些技术笔记，但是由于我目前居住在美国等原因，大部分的新博文将会以英文撰写。带给大家的不便我深...

Log files are nothing more than text files containing a series of information about the Linux kernel, boot process, user logins, system logs, and so on.

Use this comprehensive Tmux cheat sheet covering all essential commands. Plus a bonus cheat sheet search and copy function.

In this article, we will show how to lock a user or root account after a specifiable number of failed login attempts in CentOS, RHEL and Fedora distributions.

There are plenty of icon sets for Linux to radically change your desktop's looks. Let's see some beautiful Linux icon themes to upgrade your OS's looks.

Six months ago, I advocated for everyone to stop using .env files. Since then, I’ve published more articles on this arena and have learned…