Web Security, Cloud Computing, Blogging and Middleware Blog.
Become a better Sysadmin by learning Linux. Most of the articles cover essential commands, how-to, books, and troubleshooting.
Lately, I was installing Nginx Plus on CentOS 7 and wanted to verify if it's listening on port 80 using netstat or not. Guess what? I got the below error while executing netstat. [[email protected] …
Continue Reading about Troubleshooting: CentOS 7 – netstat command not found →
Having knowledge of Linux is essential for any system administration, middleware, web engineer job. Linux is used almost everywhere in production or a non-production environment. There are …
Continue Reading about 16 Linux Books and Videos for System Administrator →
Securing OS is as important as your website, web applications, online business. You may be spending on security plugin, WAF, cloud-based security to protect your site (Layer 7) but leaving OS …
Continue Reading about How to Secure and Harden Cloud/VPS VM (Ubuntu/CentOS)? →
Lately, I installed CentOS 7 in VMWare, and it was all good until it booted in CLI (Command Line Interface) mode. I tried startx command but no help. It looks like Desktop Environment was not …
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Want to see yourself as Penetration Tester, IT Security Expert? There are thousands of standalone software & tools for ethical hacking, penetration testing, forensic investigation and it can be a …
Continue Reading about 14 FREE Operating System for Penetration Testing & Digital Forensics →
It’s not possible to remember everything you read and especially the one you are not going to use them frequently. That’s why we have bookmarked so you can refer whenever needed. Working in IT, one …
Continue Reading about Ultimate list of Cheat Sheet for System Administrator →
A troubleshooting performance related issue in IT world is always challenging, and if you were not aware of right tools, then it would be frustrating. If you are working as a support in a …
Continue Reading about 11 Linux Performance Commands to Know as a System Administrator →
Lately, I was working on securing one of the website’s through Let’s Encrypt and during I encountered the following error while running "./letsencrypt-auto" Checking for new version... Creating …
Continue Reading about How to Fix virtualenv: command not found on CentOS 6 →
Shell Script to Restart the Services if Down/Crashed It’s common for the process to crash/go down due to various reasons, which you can investigate and fix the issues but that may take a little …
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Kali Linux 2.0 was released on 11th August 2015 and comes with more than 600 preinstalled penetration/security tools. Having these preinstalled makes Kali Linux a true platform for the security …
Continue Reading about Kali Linux Installation Guide on VMWare Fusion [With Screenshot] →
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