Uptime command is very simple and useful in Linux , Give information about system current time, how long the system has been running,

MySQLsla is a very helpful tool to analyze and filter query information from accessing query logs. It's used to optimize queries in your local system or server level.

We had already discussed about Heartbleed bug in previous post, We will analyze in OpenSSL/TLS security status in Ubuntu 13.04 or 12.04

The Heartbleed Bug is recently found serious vulnerability in SSL/TLS, hacker can easily access and leak of memory contents from the server to the client and from the client to the server

You may get encounter error “CHECK_NRPE: Error - Could not complete SSL handshake” from Nagios monitoring you need to check SSL or nrpe file configuration

You may get CRITICAL error "Connection refused by host" on Nagios monitoring tool after installed and configured Nagios in client system.

We going to discuss about creating MySQL database and users with different permissions to manage our database. Assume that, your going to create database named linuxdb and user named linuxuser