Welcome to my blog. I write Instruction Guides, How-Tos, and Tips & Tricks on Linux, Database, Hardware, Security and Web. Visit Best of the Blog section to get started.

Let us discuss the overview, installation and configuration of Nagios, a powerful open source monitoring solution for host and services.

I. Overview of nagios

II. 8 steps for installing nagios on Red Hat Linux Distribution:

1. Download the nagios and plugins
2. Take care of the prerequisites
3. Create user and group for nagios
4. Install nagios
5. Configure the web interface
6. Compile and install nagios plugins
7. Start Nagios
8. Login to web interface

III. Configuration files overview
[Read more →]

Let us review the following 5 basic command line usage of the ssh client.

1. Identify SSH client version
2. Login to remote host
3. Transfer Files to/from remote host
4. Debug SSH client connection
5. SSH escape character usage: (Toggle SSH session, SSH session statistics etc.)

[Read more →]