Find Linux Operating System architecture installed on system

In this post we will quickly share the commands, which will help to find linux operating system architecture installed on system. Most of the time system admin or linux user requires to know which Linux OS architecture is installed. Mostly , while installing or developing the package or software we need this information. Whereas it […]

Sharing server Migration from CentOS 6 to CentOS 7

Recently we have migrated to shiny CentOS 7 saying good bye to CentOS 6. Although the migration of WordPress was quite easy from CentOS 6 to CentOS 7. This time, we made plan to try another technology stacks. Leaving some good memories with my old server, invested lots of time to tune the server with […]

Configure Nginx for Jekyll / Octopress / pelican based static website

This post explain, how to configure Nginx web server for Static Website. At the current time, Jekyll,Octopress, pelican are very popular static site generator. Generally for static website we use html files. Note: This post share the Nginx Configuration file settings for static website. We worked on couple of website which were generated with Jekyll,Octopress […]

Nagios Plugin : check ssl certificate expiry date

We have created a Nagios plugin called check_ssl_cert_expiry . The nagios plugin will send the alert (warning/critical) before SSL Certificate expiry date. We have tested this plugin to check HTTPS website URL. It is working very well. Why we require check_ssl_cert_expiry nagios plugin To know how many days are left before date of expiration of […]

Install Telnet Server on CentOS 7 / RHEL 7

The tutorial explains about how to install telnet server on CentOS 7 / RHEL 7 . We will also keep SELINUX on enforcing mode and use the firewalld rules. About Telnet Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual […]

Create new swap file on CentOS 7 / RHEL 7

In this tutorial we will learn how to create new swap file on CentOS 7 / RHEL 7. Generally on Cloud Servers ( AWS/ DigitalOcean) or VPS, swap space is not created by default. This requirement we can achieve within a few steps. Prerequisites Must have free space on mounted disk. You can check by […]

Setup htpasswd on WordPress wp-admin running on nginx

This tutorial will help you to setup htpasswd on WordPress wp-admin running on Nginx server. For security point of view it is important to protect the wp-admin of WordPress. When any user hit your WordPress blog URL with /wp-admin , it will get the wordpress Admin dashboard to login. Here, by setting htpasswd on /wp-admin […]

Upgrading MySQL 5.1 to 5.6 service failed to start

Recently I got the system which has MySQL server version 5.1 was running. It was good chance for me to reproduce the issue and show practical answer on question asked on stackoverflow. Operating System: CentOS 6.5 Arch : x86_54 Symptom MySQL service failed to start after upgrading from MySQL 5.1 to 5.6 version. Given below […]