In this tutorial i will show you how to improve battery life of linux system or laptop. For Linux users who enjoy a fragmentation-free and virus-immune laptop, there’s barely anything that makes them whine as much as their Redmond-loving counterparts. Linux, on a fully compatible machine, achieves a perfect blend of performance and stability. That [...]
Author Archive
How to load custom Kernel (tun) module in CentOS/ RHEL Linux
February 6th, 2012 
Frank BorosJust recently it was necessery to load up a tun kernel module on few CentOS Linux servers. I’m using Debian on daily basis, and everybody that had even little of experience with Debian should already be aware about the existence of the handy: /etc/modules file. On Debian to enable a certain kernel module to load [...]
How to auto restart CentOS Linux server with software watchdog (softdog) to reduce server downtime
February 5th, 2012 Frank BorosIf you are in charge of dozen of Linux servers these days and therefore required to restart many of the servers with a support ticket (because many of the Data Centers where the servers are co-located does not have a web interface or IPKVM connected to the server for that purpose). Therefore the server restart [...]
How to check fiber connectivity in VMware ESXi 5.0
February 5th, 2012 Frank BorosProblem: On a VMware ESXi 5.0 host, how can I check if fiber storage adapters are properly connected to the fiber switch/SAN, i.e. if the fiber link is up? Solution: This information is shown nowhere in the vSphere Client, and there is no command-line tool to check it, either. The only way to verify if [...]
How to automatically reboot (restart) Debian GNU Lenny / Squeeze Linux on Kernel Panic
February 5th, 2012 Frank BorosIn this tutorial i will show you how to automatically reboot Debian Squeeze Linux on Kernel panic to avoid CPU overload or system crash. If you are a system administrator, you have probably wondered at least once how to configure your Linux server to automatically reboot itself if it crashes, is going through a mass [...]
PHP Tutorial: A Quick Way to Break up a URL into usable Pieces
February 2nd, 2012 Frank BorosPHP has a built in function which allows for the quick breaking up of a well formed URL into usable pieces, namely parse_url. This function parses a URL and returns an associative array containing any of the various components of the URL that are present. It is important to note that parse_url does not validate [...]
How to disable Ipv6 on GNU / CentOS, Fedora, Debian, Redhat
February 2nd, 2012 Frank BorosIn this tutorial you will learn how to disable IPv6 on Debian and other linux distributions (RHEL, CentOS, Fedora, Ubuntu). I have few servers, which have automatically enabled IPv6 protocols (IPv6 gets automatically enabled on Debian), as well as on most latest Linux distribituions nowdays. Incoming search terms:centos 6 2 ipv6 (1)centos 6 2 ipv6 [...]
Posted in Linux, Networking, Servers 
Tags: Administration, ipv6, Linux, Networking, Server 
No Comments »How to clear Squid Proxy Cache on Debian and Ubuntu
February 2nd, 2012 Frank BorosIn this tutorial i will show how to clear squid proxy cache on Debian and Ubuntu Linux. It was necessery to clean up some squid cache for some proxy users on a Debian host. Until now I’ve used to run only custom build Squid server on Slackware Linux. Thus I was curious if Debian guys [...]
