SSH (Secure SHELL) , an open-source and highly regarded network protocol, is used to log in to distant servers so that commands and progra...

Why We Need EPEL?   The packages that can be installed on CentOS, RHEL, or Amazon Linux-based distributions might not all be available in st...

 Amazon Linux 2 DRBD Installation Instructions: To Install DRBD on  Amazon Linux 2  we need to install the EPEL Repository  first. Install t...

 By partially typing commands or arguments and then clicking the [Tab] key, you can use the bash completion tool to automatically complete t...

 Use the s3 sync command with the source directory and destination bucket as inputs to copy the files from a local folder to an S3 bucket. L...

 We frequently need to swap between Kubernetes clusters for different projects. Keeping track of all of their kubectl configurations and fil...

How to Enable SNMP in Cisco Routers / Switches  This will help us to monitor our network devices through our networking monitoring tool ( ca...

   How To Reset Cacti Admin Password?   How To Reset Cacti Admin Password To recover Cacti Admin password you need to follow the following S...

  How to Import and export notes on Mac Import text files into Notes If you use  upgraded iCloud notes  or  notes stored on your Mac , you c...

  In this tutorial, we are going to show you how to configure Cacti to send e-mails when an alert trigger is activated. In our example, we a...

 Postfix is a flexible mail server that is available on most Linux distribution. Though a full feature mail server, Postfix can also be used...