Centos/Redhat

Holland is an open source backup framework written in Python. It can be used to back up several different database types using a number of methods based on the plugins…

Replication is a feature allowing the contents of one or more servers (called masters) to be mirrored on one or more servers (called slaves). The main mechanism used in replication…

Lsyncd stands for “Live Syncing Daemon“, lsyncd is used to sync or replicate files and directories locally and remotely after a specific time of interval. Lsyncd uses Rsync and ssh…

RHCSA Exam Objectives: How to Boot systems into different targets manually In this lesson we are going to learn how to boot systems into different targets manually on the Red…

RHCSA Exam Objectives: Boot, Reboot, and Shut Down a System Normally In this lesson we are going to learn how to boot, reboot, and shutdown the Red Hat Enterprise 7…

1./ Step Start the system and, on the GRUB 2 boot screen, press the e key for edit 2./ Step Jump to the end, of the linux16 line, or linuxefi…

Scenario: Suppose that you accidently removed Apache log file and you need to recover it. what you should do ? In this article we will show you how to recover…

Varnish is an open source reverse HTTP proxy, an web accelerator typically run in front of web servers such as Apache or Nginx. Designed to increase the performance of busy,…

After we have installed zabbix server on CentOS/RHEL 7. In this article will demonstrate how to install zabbix agent on CentOS/RHEL 7 systems. Environment: Hostname = webserver02.yallalabs.com IP Address =…

About Zabbix Zabbix is a free and open source network monitoring Software tool which is used to monitor and track the availability and performance of your IT infrastracture: servers, network…