How to Create Additional LVM on CentOS 6.3


This post will covers the steps to create additional Logical volume manager (LVM) on CentOS 6.3. This will very useful when the production system facing run out of disk space to store data. Sometimes there is another request for them to create additional LVM for new system or to store data. It is possible to […]

How to Install PostgreSQL 9.2 on CentOS 6.3

This quick post shows the basic steps to install PostgreSQL Database Server (PostgreSQL 9.2) on CentOS 6.3. This steps has been tested using CentOS 6.3. However, It may works on other version CentOS or Redhat as well. PostgreSQL is a Sophisticated open-source Object-Relational DBMS supporting almost all SQL constructs, including subselects, transactions, and user-defined types. […]

How to Setup and Configure Openfiler iSCSI Storage on VMware

This post describes on how to setup and configure hosted Openfiler iSCSI storage target on a VMware ESX/ESXi or VMware server 1.x or 2.x host using the freely available Openfiler appliance. However this configuration and setting not a suitable solution for a production environment as it does not include any iSCSI CHAP authentication or datastore […]

How to Install Mod_Security to Apache HTTP Server on CentOS 6.3

ModSecurity is an open source web application firewall and intrusion detection and prevention system that provide filtering and other security features to the Apache HTTP Server. ModSecurity is a web application layer firewall and allows for HTTP traffic monitoring and real-time analysis with little or no changes to existing infrastructure. 1. Install some dependency packages […]

How to Fix “-bash: man: command not found” on CentOS 6.3


This quick post shows the step to install “man” command on Linux. In linux CentOS 6.2 and CentOS 6.3 operating system, “man” command has not been installed automatically. The Linux command “man” is used to display the manual page for other command and also will help you to explain the functions for the commands that […]

How to Configure System Accounting with auditd on Linux CentOS 6.3

command linux

The audit service is provided for system auditing. Under its default configuration, auditd has modest disk space requirements, and should not noticeably impact system performance. The audit service, configured with at least its default rules, is strongly recommended for all sites, regardless of whether they are running SELinux. In this post, i will share with […]