How to install and configure Chrony/NTP Configuration

Chrony is available in default repository of Centos 7 and RHEL 7.

How to disable consistent network device naming in CentOS 7

Step 1: Insert the following line in grub configuration file /etc/default/grub:

How to install Nmon for Monitor Linux Performance in CentOS 7

Nmon is a resource monitoring tools designed for use on Linux which can monitor CPU, Memory, Disks, Network and File systems. You can easily monitor your system's CPU usage, memory, network, disks, file systems, NFS, top processes, resources and power micro-partition information using nmon.

How to configure HAProxy to redirect multiple domains

Follow the below steps to configure HAproxy to redirect multiple domains.

How to disable Server Signature using .htaccess

In the default configuration of Apache, it shows sensitive server information like Apache version, Operation System version etc. Attackers can use sensitive server information to their advantage when performing an attack. You can Disable Server Signature by editing .htaccess file to hide such sensitive information.

Apache SSL Certificate expiry monitoring With Nagios

Nagios plugin “check_http” provides SSL Certificate monitoring to check certificates expiration dates and Nagios generate alerts when SSL certificates near their expiration date. So the same can renew their certificates before problems occur.

How to Push an Existing Project to Git Server

Step 1: Initialize Git in the project folder

How to change password for a MySQL user

Follow the below MySQL commands to reset the password for a MySQL user. You can change the password for any other users as well with the below commands.