Category Archives: Install

How to Install Varnish on CentOS 7

1. Introduction Varnish is a proxy and cache, or HTTP accelerator, designed to improve performance for busy, dynamic web sites. By redirecting traffic to static pages, varnish reduces the number of dynamic page calls, thus reducing load. Varnish is designed for content-heavy dynamic web sites as well as heavily consumed APIs. In contrast to other… Read More »

GeoIP and mod_geoip Installation on cPanel server

GeoIP (Installation Guide from cPInstall) The GeoIP extension allows you to find the location of an IP address. City, State, Country, Longitude, Latitude, and other information as all, such as ISP and connection type can be obtained with the help of GeoIP. Installation Steps For installing the said PHP extension as an APache module, You… Read More »

How to FSCK a Linux Filesystem

There comes a time in every sysadmin’s life where filesystem errors just happen. Luckily, these are somewhat easy to fix, assuming you don’t have a greater problem involving physical hardware damage. First, you need to know the name of the disk device having the problem. Do a quick df to see what device the affected… Read More »

Install FFMPEG On CentOS

This is the latest method of installing FFMPEG on Centos server. All the command line given below includes latest softwares and working URL’s. 1) Check which OS version you are using. cat /etc/redhat-release 2). Create a directory to for source file compilations cd /usr/local/src mkdir ffmpeg cd ffmpeg 3) Install yum repo for the FFMPEG… Read More »

Get your own /64 IPv6 IPs without the help of your provider.

A lot of providers does not offers IPv6 yet, with tunnerlbroker.net you can get your own for free. Open this page: http://www.tunnelbroker.net/ Create an account Create Regular Tunnel: http://www.tunnelbroker.net/new_tunnel.php Type in the public ip of your vps (IPv4 Endpoint) Select one of the tunnel servers: Create tunnel Open the config tab: Copy&paste the text to… Read More »

Install htop 2.0 – Better Linux Process Monitoring for RHEL, CentOS & Fedora

htop is an interactive real time process monitoring application for Linux/Unix like systems and also a handy alternative to top command, which is default process monitoring tool that comes with pre-installed on all Linux operating systems. Htop has numerous other user-friendly features, which are not available under top command and they are: In htop you… Read More »

/usr/bin/crontab permissions are wrong. Please set to 4755

If you are receiving the error “/usr/bin/crontab permissions are wrong. Please set to 4755” when in the cron section of cPanel, the commands below may correct the error for Redhat/CentOS/Fedora servers. Log into the server via ssh or the console as root and run: PHP Code: yum -y install vixie-cron crontabs chmod 4755 /usr/bin/crontab 

Install ClamAV in Centos with Cpanel

Installing antivirus is most important if you run a VPS or dedicated server, because of so many worms and trojans get in to your server often without notice and could compromise the server. Cpanel WHM Installation The easiest way to install clam antivirus in cpanel is through install plugin option in Cpanel WHM . Code:… Read More »