System & Network Admin

We often use the bash console. And sometimes you have to remember who did what and when what command they ran, and generally observe users…

Deploy a cloud-native Java microservice stack on Amazon EKS using Terraform and Kubernetes.

Ventoy 1.0.76 multiboot USB creator is now available for download with Secure Boot support option enabled by default, and new ISOs support.

Sometimes you may need to get creation date for file & directory in Linux. Here are the steps to do it.

To ensure that your application usage bandwidth is not expended by a single client, you need to control the upload and download speeds per client.

Run the command, walk away and let Linux do all the work.

Graylog is a free and open-source log-management platform for capturing, storing and enabling real-time analysis of your data and logs. Its written i...

Graylog is a platform centralized log management system. Its one of the most popular log management systems in the DevOps world with multi-platform s...

Virtual machines try really hard to convince their operating systems that they’re running on physical hardware. So can you tell from the Linux command line if the computer is physical or virtual?

Heard of PGP encryption, but have no idea what it means? Find out how it works and how you can encrypt files using PGP.

Location-based reminders can save you time and effort by prompting you to do something when you're in a particular location.

In centralized log management like Graylog, you don’t need to worry about knowing all the log file names or scanning through endless lines of plain text.

Configure your mail client to automatically send emails next time you have an internet connection.

Bridging is to create a bridge between two or more network interfaces to pass traffic between them. It allows you to share your system’s internet connection with other systems. In this guide, two essential networking concepts that are bridging and bonding, are discussed. In this article, how to set up, modify, and delete the bridges and bonds in the Linux system is also explained.

DNS records are a critical part of any internet presence, and debugging them is likewise critical. Dig can be used to easily examine DNS…

This guide will discuss some of the common and effective ways to run a Linux command repeatedly several times in Linux terminal.

Linux-PAM is a powerful suite of shared libraries used to dynamically authenticate a user to applications or services in a Linux system.

Learn what umask is and how to use the Linux umask command to view and define default Linux file and folder permissions.

Compile times in Gentoo can take a while when installing large programs. Learn about some tricks to speed that up today.

Clear Linux OS is the ideal operating system for people – ahem system admins – who want to have a minimal, secure, and reliable Linux distribution.

Windows operating system can suck a ton of resources with all the unnecessary services running in the background and the ads across the…

This article shows how to improve your Github profile. It explains how to create an amazing Github profile. And what to include in ideal Github profile.

Cheat sheets help you work smarter. Here are my go-to cheat sheets for open source technology.

In this article, I will be sharing how I set up my Arch Linux environment for coding. A brief backstory. I have some experience with Linux. I have used Ubuntu and Linux Mint to a great extent and even played around with Kali Linux before. But Windows...