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Upgrade MySQL to Version 5.6 in CentOS
Backup all the database and stop mysql mysqldump -u (userid) -p (password) –all-databases > all-databases.sql service mysqld stop Download the Repo for MySql 5.6 wget http://dev.mysql.com/get/mysql-community-release-el6-3.noarch.rpm/from/http://repo.mysql.com/ Install the repository from the local file yum localinstall mysql-community-release-el6-3.noarch.rpm Install the latest MySql yum install mysql-community-server service mysqld start Configure MySQL to start automatically on Server Reboot chkconfig […]
How to install, setup and configure an OpenVPN Service on CentOS 5
In this tutorial, we will learn how to install, setup and configure an OpenVPN Service on CentOS 5 as well as configuring the firewall to allow vpn traffic. Clients configuration will be done in the linked article, available at the bottom of this tutorial. Topology used in this scenario: 1 Ethernet card (eth0) connected to […]
Send SNMP Traps from Nagios to Remote Management Host
1. Add ‘send snmp trap’ command to nagios vim /usr/local/nagios/etc/objects/commands.cfg define command{ command_name send_snmptrap command_line /usr/bin/snmptrap -v 2c -c public 10.50.24.34 ” NAGIOS-NOTIFY-MIB::nSvcEvent nSvcHostname s “$HOSTNAME$” nSvcDesc s “$SERVICEDESC$” nSvcStateID i $SERVICESTATEID$ nSvcOutput s “$SERVICEOUTPUT$” } 2. Add this event and enable the event to services which needed to send traps vim /usr/local/nagios/etc/objects/localhost.cfg define service{ […]