How to Install Mod_Pagespeed on Centos?
mod_pagespeed is an open-source Apache module created by Google to help Make the Web Faster by rewriting web pages to reduce latency and bandwidth. Please follow below instructions to install…
How to setup VPN server (PPTP on CentOS, RedHat and Ubuntu)?
This howto describes the steps in how to setup a PPTP VPN on Centos, Fedora, Debian, and Ubuntu with basic RSA authentication. Before the installation make sure to have your…
Linux : How to tune up receive (TX) and transmit (RX) buffers on network interface
Modern and performance/server grade network interface have the capability of using transmit and receive buffer description ring into the main memory. They use direct memory access (DMA) to transfer packets…
How To Create a Sudo User on CentOS
Sudo is a command that enables programs to be implemented as a root user. Sudo runs commands provided to it with the privileges of a root user. You can use…
command to activate VG on LVM?
When you create a volume group, by default, it is activated. Sometimes you may need to activate it manually to make the kernel aware of volume groups. To activate, #…
Limit download rate for yum
yum (RHEL/CentOs/SL/etc) has an option which allows you to limit the download rate/amount of bandwidth used to download packages. Here’s how you do it: Edit the /etc/yum.conf file and add…
Centos/RHEL not booting. Only shows GRUB _
When you see the following prompt with a blinking cursor instead of your RHEL 5 (Or CentOS/Scientific Linux v5 obviously) server booting, you will have in all likelihood have to…
Execute command via SSH on remote box and output on local machine.
How to execute command via SSH on remote machine and get output on local machine console. ## SYNTAX ssh @ ## EXAMPLE ssh test@10.10.101.1 df -h test@ 10.10.101.1 's password:…
How to install VMWare Tools on CentOS/RHEL 6.5
To install VMWare tools using YUM on CentOS/RHEL 6.5, do the following. Note, I’m logged in as the ‘root’ user, but you could execute these commands using ‘sudo’ as well.…