System & Network Admin

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…

This tutorial will walk you through installing and configuring Snort IDS on a Linux server to improve the security of your network.

Please, please, please do not actually install XP and use it. But if you must…

TL;DR – WebVM is a Linux-like virtual machine running fully client-side in the browser. It is based on CheerpX: a x86 execution engine in WebAssembly by Leaning Technologies. With today’s update, you can deploy your own version of WebVM by simply forking the repo on GitHub and editing the included Dockerfile. A GitHub Actions workflow...

Bernd Schubert led a session at the 2023 Linux Storage, Filesystem, Memory-Management and BPF Summit on the intersection of FUSE and io_uring. He works for DDN Storage, which is using FUSE for two network-storage products; he has found FUSE to be a bottleneck for those filesystems. That could perhaps be improved by using io_uring, which is something he has been working on and wanted to discuss.

On most IPv6-enabled networks, network addresses are distributed via stateless address autoconfiguration (SLAAC).

Configure NGINX as a reverse proxy for HTTP and other protocols, with support for modifying request headers and fine-tuned buffering of responses.

Basic username and password authentication is an easy and simple way to secure administrative panels and backend services. Nginx can be configured to protect certain areas of your website, or even used as a reverse proxy to secure other services.