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Posts published in “SysAdmin”

A Tour of Mount in Linux

Shahriar 1

I had windows 10 installed on my laptop because of serious incompatibility of ROG laptops with Linux and my desire to play some games after years of living in bash! This continued for a year and I really like windows 10 cool features like WSL and Hyper-V (with Docker!), however being in love with rolling-release distros and being fed up with windows in the past year. And the fact that I was yearning for terminal, I installed Solus OS earlier…

Captive portal detection with a working sample in all major OSs!

Shahriar 0

Hi everyone I’ve been working on a project which involves a developing a captive portal system from scratch. and I’m going to gradually post more of challenges we faced and the way we solved them too. But for now I’m going to talk about captive portal detection in different OSs and how we’ve implemented it. It is not a really difficult or lengthy concept but the sad thing is that it’s not very well documented or not even documented at…

Active Directory Certificate Services Overview and Migration

Shahriar 0

Active Directory Certificate Services Active Directory Certificate Services (AD CS) is a role in Windows Server which allows you to fully implement a PKI infrastructure. AD CS also provides templates and web services for issuance and management of certificates. In this guide we will cover basic concepts of AD CS and provide a method for migration of this service to another windows server . This won’t be an in depth guide because you can find the information you need in…

Introduction to systemd : Basic Usage and Concepts

Shahriar 0

Hi everyone In this post I am going to explain some essential systemd commands and concepts. As systemd popularity grew much more and changed the linux ecosystem drastically, every sysadmin, DevOps or every casual linux user should know the basics of this init system (It’s really a load of other things too!) and be able to use systemctl, journalctl, etc in order to leverage its power. For example, by using systemd unit files you can completely get rid of using…

Useful Configs for NGINX

Shahriar 2

After posting the first of my linux SysAdmin quick config sample series titled “Useful Configs for squid” (which you can read here). I decided to write another post, this time about the powerful and popular web/cache server NGINX! I spent quite some time reading through nginx official docs and other blogs/websites while testing each configuration directive in different scenarios. Some of the options presented in this post do not have good or any documentation. I hope you find them useful!…