Zenoss is a free and open source monitoring solution similar to Nagios. It can be used to monitor all sorts of hardware and in case of failures sends out alerts to recipients. Zenoss Core provides a web interface that allows system administrators to monitor availability, inventory/configuration, performance, and events. Compared to Nagios (my personal opinion) Zenoss has alot higher […]
Posted in:
PostgreSQL is a database server. It is an object-relational database management system and it’s main purpose is to store data. PostgreSQL calls itself “The world’s most advanced open-source database”. It is a fact that MySQL and PostgreSQL are two most popular open-source relation database management systems (RDMS). It is up to you to choose the one you […]
Posted in:
OwnCloud is a free and open-source software which enables you to create a private “file-hosting” cloud. OwnCloud is similar to DropBox service with the diference of being free to download and install on your private server. Advantage of OwnCloud over DropBox is that it is private (you manage it yourself) and not limited (only limited by hard disk […]
Posted in:
If you are a linux system administrator one of the more important things to learn and to know is how to manage users and groups on linux systems. This guide will describe how to add, delete and modify users and groups (manage users and groups) on CentOS 6 linux (same applies to other linux distributions) […]
Posted in:
We all know Apache HTTP Server. Apache is de-facto web server on UNIX-like systems and is maintained by an open community of developers of the Apache Software Foundation. Apache HTTP Server is released under the Apache License and is an open-source software. The problem with Apache HTTP Server on CentOS and other RHEL based distros is, […]
Posted in:
Kickstart file is a great solution which enables you to automate installation of CentOS Linux, Red Hat Enterprise Linux and other Red Hat Linux derivates. Kickstart file is basically a single file containing answers to all the questions that you would normally be asked during a typical installation of your Linux system. Kickstart file can […]
Posted in:
Yum or Yellowdog Updater Modified is a command line package management solution for Linux systems using RPM‘s like Red Hat Enterprise Linux, CentOS Linux, Fedora,… We can use yum to search, install, remove and check for additional information about RPM packages available to our Linux system. Yum works with local or remote repositories which are […]
Posted in:
Learn how to install and configure OpenVPN Server on CentOS 6 Linux. Do it the easy way and download an automated OpenVPN Server bash installation script.
Are you getting “Pnp4Nagios XML file not found Error”? Read this post and fix this error. Learn how to get Pnp4Nagios performance data graphs working.
Learn how to write Nagios Plugin Bash Script with correct responses and exit codes for Nagios Server to understand.
Posted in:
Learn Step-by-Step how to install Spacewalk open source Linux systems management solution. Do it the easy way, download an automated bash script.
Learn how to install and configure PXE Server on CentOS 6. Do it the easy way! Download GeekPeek.Net Install PXE Server automated bash script!
