How to Configure FTP Server in Linux RHEL 6
In this post i will show how to install Very Secure FTP (Vsftpd) and how to configure ftp server in linux Red Hat Enterprise Linux 6 (RHEL 6). Vsftpd is a…
There are 7 useful linux utilities that you must install on new linux server. Most Linux distributions are equipped with tons of linux command utility, but if you have installed…
How to Install VMware Tools on Red Hat Enterprise Linux 6.2 (RHEL 6.2)
This post will shows how to install VMware Tools on Red Hat Enterprise Linux 6.2 (RHEL 6.2). VMware Tools is a group of utilities that enhances the overall performance of…
How to Remove Volume Group and Physical Volume on LVM
Basically, adding and removing LVM will always involves these three logical “layers” which are Physical volumes (pv), Volume groups (vg) and Logical volumes (lv). This post assumed that the Logical…
How to Secure OpenSSH (SSHD) on Linux
OpenSSH is a open source alternative to the proprietary Secure Shell software. It is also the SSH connectivity tools that allows you to remotely login, transfer remote file via scp…
How to Check Disk Read Write Speed in Linux
Measuring sequential disk performance is easy in linux as every modern Linux distribution comes with a command line utility called hdparm. Hdparm is a free tool to measure sequential disk…
How to Remove a Logical Volume on CentOS 6.3/RHEL6
In previous post, i have cover the steps to create additional Logical volume manager (LVM). In certain situation, linux administrator is required to remove the existing logical volume. It is…
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…
How to Add Webtatic Repository on CentOS 6.3
This post covers the steps on how to setup additional yum repository using Webtatic. Webtatic yum repository is a repository containing updated web-related packages for CentOS and Redhat Enterprise Linux…
This short guides shows how to quickly check your postfix mail server version. Basically, postfix is a open-source mail transfer agent (MTA) that routes and delivers electronic mail. Postfix is…
How to Switching or Changing Between Different Runlevels on Linux
The runlevel is a software configuration of the system which allows only a selected group of processes to exist. Usually runlevel 0, 1 and 6 are the same and reserved…
How to Check and Display Runlevel on Unix or Linux System
This example shows the correct ways to check run level on unix or linux server. The runlevel is a software configuration of the system which allows only a selected group…