19 June 2009

Posted by Shahid
Linux
Great Article
"After The Software Wars", is a new book in which former Microsoft employee Keith Curtis explores the worlds of proprietary and free software. Quoting from the article:
While I came to not be all that thrilled with Fedora itself, I was floored merely by the installation process. It contained a graphical installer that ...
19 June 2009

Posted by Shahid
Linux
One of the most helpful feature I find in linux boxes is it autocomplete fasility. This feature will make our job more easier. But in some servers or VPS this option is desabled by default or relevent packages for autocomplete where not installed. To enable autocomplete we need to two things.
1. Install the package ...
The Ubuntu 9.04 Server Edition beta includes Eucalyptus, an open source software infrastructure for implementing “cloud computing” on clusters, such as Amazon’s EC2 (Elastic Compute Cloud). Eucalyptus is provided as a technology preview to allow users “to experiment with cloud computing”.
EUCALYPTUS -- Elastic Utility ...
Introduction
OpenNTPD is a Unix system daemon implementing the Network Time Protocol to synchronize the local clock of a computer system with remote NTP servers.
OpenNTPD is primarily developed by Henning Brauer as part of the OpenBSD project. Its design goals include being secure (non-exploitable), easy to configure, accurate ...
31 July 2008

Posted by Shahid
Linux
Introduction
httperf is a tool to measure web server performance.
Example
$ httperf --server haproxy.com --port=80 --uri /frontend_dev.php --num-conns=25
httperf --client=0/1 --server=haproxy.com --port=80 --uri=/frontend_dev.php --send-buffer=4096 --recv-buffer=16384 --num-conns=25 --num-calls=1
Maximum connect burst length: ...
What is Port Forwarding?
Port forwarding is a feature of the IPTables system. It allows one computer to forward connections made to it so that another computer can actually process the request. If you want a very simple metaphor you can think of it as mail forwarding. Each computer has a number of addresses called ports, and ...