Have you ever come across an error says when the user actually doesn’t exist on the system? I have !!! This article talks about what to do in this situation. Assume you are trying add an user called ‘Mark’ and you get following error. useradd: user ‘mark’ already exists The error is very straightforward. It […]
How to check why a Linux process is hanging
In this article, let me explain how you can check why a Linux process is hanging. In most of the occasions, We, the system admins 🙂 usually restart an application if it is hanging. We are forced to do this when we are firefighting and this could backfire on us later. So finding the root […]
How to distribute cron job for high availability
Cron is one among the favourites of sysadmins and we usually use cron service to schedule tasks that you want to run in a periodic manner. People usually run cron in a single box. You cannot expect high availability for your cron here because the box can go down anytime and you are in trouble […]
Fix for ‘jenkins dead but pid file exists’ error
Here is the Fix for error jenkins dead but pid file exists. You see this error when you check Jenkins service status. One important thing to note that you won’t find this error while starting the Jenkins service. [root@localhost vagrant]# /etc/init.d/jenkins start Starting Jenkins [ OK ] [root@localhost vagrant]# /etc/init.d/jenkins status jenkins dead but […]
“You can’t kick my balls, it is just impossible” – Linux
“You can’t kick my balls, it is just impossible” – Linux 😀 😀 Comment your thoughts below. Also subscribe to this blog so that you don’t miss out anything useful (Checkout Right Sidebar for the Subscription Form) 🙂
How to install Jenkins on CentOS/RedHat using Salt
We can easily install Jenkins using tradition package managers like Yum /Apt . But it is recommended to use configuration management tools like Salt , Chef or Puppet for better management. In this article, let me get you through steps to install Jenkins on CentOS /RedHat using Salt . Salt can be used for data-driven orchestration, […]
How to integrate Hubot with Slack to create an efficient Chatbot
In this article, let me get you through the steps to integrate (a chatbot app) with . Have you thought of having a chatbot who can automate most of your office works? like Jarvis of Tony Stark (not exactly 😛 ). If yes, go ahead and read this article. If you are not familiar with […]
Getting something done in Linux with Python, Bash and Java be like this
Getting something done in Linux with Python, Bash and Java be like this 😛 True, right? For example, you want to write a script which returns IP address of a domain name. Let’s see length of code and time required to write the same in Python, Bash and Java. In Bash, /usr/bin/bash host www.easyaslinux.com In […]
Damn .. Gentoo Linux installation is easy!
Have you guys tried installing Gentoo Linux? Yeah it is very easy. I know! Are you familiar with Gentoo Linux? You never forget this Linux distro, if you ever tried to install it! You had experience like this? Comment your thoughts below. Also subscribe to this blog so that you don’t miss out anything […]
How to periodically Backup your website and MySQL database to local server as well as S3 bucket using Bash script (video)
You might have gone through situation where you need simple script to backup your website and database server. In this article, I will explain how you can periodically Backup your MySQL database and website to local server as well as S3 bucket using Bash script. The reason I am writing the backup script in bash […]
