How to Change Date and Time Linux on RHEL 6/7 and CentOS 6/7
This post assumed that your Red Hat Enterprise Linux 6 (RHEL 6) does not have Date/Time Properties installed. In order to change the date and In order to change date…
How to Display IP Address on RHEL/CentOS
In this post, i will share the simple command to display the CentOS and Redhat Enterprise linux(RHEL) ip address. This command has been tested on Linux CentOS 5.8 server and…
How to Grep Multiples Lines and using Specific Keyword on Linux
grep is a command line text search utility originally written for Unix or linux. In linux you can grep multiple lines before or after matching the keywords. This examples has…
How to Open the File in Read Only Mode on Linux
Question : How to open a file on read only mode on linux? Answer : This command has been tested on Redhat Enterprise linux 6 (RHEL6) server. To open the…
How Display Logged in User Information and Terminal number on Linux Server
In this post i will show on how to display logged in user information and terminal number on Linux server. This post provides practical examples for future references. This steps…
How to Turn Off or Disable Output Buffering for php.ini on PHP 5.3.2
Output buffering is used by PHP to improve performance and to perform a few tricks. PHP will send buffer to browser every get_opt(‘output_buffering’) bytes. Turning on output buffering alone decreases…
Question : I want to start the Zimbra services. But i am getting the following issue while restarting zmcontrol using “zmcontrol start” command as per below error messages : [zimbra@mail…
How to Add Persistent Static Routes on RHEL 6/CentOS 6
This example will show you on how to configure the Persistent static route in RedHat Enterprise Linux 6 (RHEL 6) server. This configuration may different with other version of RHEL…
How to Install nmap on RHEL 6 Linux Server
Nmap (“Network Mapper”) is a free and open source tool for network exploration or security auditing. It can help you to find open port on a network. Nmap very useful…
How to Create Additional LVM on RHEL 6/CentOS 6
Most of the linux administrator facing run out of disk space to store data and sometimes there is another request for them to create additional logical volume manager(LVM) for new…
How to Add a New Hard Disk Without Rebooting VM Guest on RHEL 6/CentOS 6
Assumed that you need additional hard disk for your Linux RHEL 6 server to provide more storage space but this the server cannot be reboot due to production environment. This…
How to Install Webtatic Repository on RHEL 6/CentOS 6
In this post, i will share on how to install Webtatic repository on Red Hat Enterprise Linux 6 (RHEL 6). However the steps may working on CentOS 6.0, CentOS 6.1…