Add an EBS to a running EC2 instances with logical volume. We are familiar with the technology LVM and we have hands on experience with LVM. Here I am explaining the steps that helps you to attach a disk (EBS)…
Author: Arunlal Ashok
Operations Engineer at Endurance International Group. Linux lover. Like to play on Linux console. I started this blog to share and discuss Linux thoughts.
Always happy for an open discussion! Write to arun (@) crybit (dot) com. Check about me for more details. About this blog and our strong members, check The team CryBit.com
We like to travel. Our travelogues are published at Trip Mentor Always happy for an open discussion! Write to arun (@) crybit (dot) com. Check about me for more details. About this blog and our strong members, check The team CryBit.com
How to kill or terminate unwanted tty/pts sessions in Linux?
Did you ever face this situation, a lot of terminal connections to your server? Before starting, we have a brief discussion on TTY. The word tty stands for teletype terminals. Some years ago, user terminals were connected to computers’ electromechanical teleprinters or…
Welcome to our YouTube channel
Hey guys, we started a YouTube channel for sharing our interesting travel videos. We always love to travel and share the interesting experiences which we had in every trips.. So in this VLOG we will try to share the experiences…
What is Semaphore? Why it’s important for a Server Admin?
What is Semaphore? Well, we need a discussion on Semaphore concept under Linux as it plays major role in a Multi Processing System. Some time we need to review the current Semaphore status on the server and need to kill unwanted/unused…
Dockerize your NodeJS app with Nginx as reverse proxy
Normally Dockerizing the Node application is a simple task. We can use the direct on-build images available in Docker hub directly in most cases. That Docker image is enough to deploy the NodeJS application. All versions of on-build Node image…
How to save/backup existing iptables rules to a file – Iptables commands
Iptables or iptables rules plays an important role in server administration part. You can secure your servers by using iptables rules. Here is an example which gives you an idea about ‘how to backup existing iptables rules‘ in to a text…
PHP error reporting – difference between E_ALL, E_ALL & ~E_NOTICE & ~E_ALL
I’m confused about this settings. What are the differences? Here, I’m talking about the basic idea behind php error reporting. This is a PHP function which defines how PHP report errors to server error logs. The error_reporting() function sets the error_reporting directive…