Gimp stands for “GNU Image Manipulation Program“, which is an open source image editing problem. It’s capability often compare to professional software but fortunately, Gimp acceptance as Pro image editing software is getting better. Even so, Gimp is still popular among beginner up to hobbyist user.
Gimp’s available on multiple platform and since it is open [...]
It has been weeks since the last time blogging about Perl. My day to day job has been tying most of my free time and blah blah blah excuses … :p
My job deals with FreeBSD server, 90% of my time. Daily routines includes checking server health status. FreeBSD has these periodic scripts that will report [...]
Perl does not have block comment feature. The Acme::Comment module was the easiest way to make Perl do block commenting, with additional features, it allows customization of open & close punctuation mark.
Until yesterday, my first Perl code got some problem and had to seek help from the IRC channel perl-help @ irc.perl.org (these guys are [...]
One of Perl’s strength is it’s repository of modules, thousands of modules. No need to re-invent the wheel, just think of what you wanna do and search for it (http://cpan.perl.org).
The CPAN modules are available through the CPAN shell. In this post, we will talk briefly about how to install the CPAN shell and show an [...]
Virtual Host. A feature that enables Apache to configure multiple domain into one web (http) server. This feature saves the need to run multiple instances of web server and thus saves resources.
After configuring the <VirtualHost> directives, some may encounter an error message :
Error : [warn] _default_ VirtualHost overlap on port 80, the first has precedence
This [...]
When using an insecure internet connection (e.g. wireless), it is a good practice to tunnel internet traffic through ssh. Tunneling through ssh provide encryption of the traffic starting from local computer to the point ends where ssh server is. It is especially important to encrypt the traffic out of the local PC when using un-secure [...]
SmokePing is an utility to keep track of the network latency from your network to various site. Its output are recorded in graph, for analysis purpose. Its configuration are simple and easy to setup. But some times, logging are needed to debug some probes failed to output to graph. The logging setup will need to [...]
PPTP VPN uses protocol GRE on two way, both inbound and outbound. Setting up the firewall to allow PPTP VPN dialup client (e.g. Ubuntu’s NetworkManager) to use protocol GRE is just a few steps in adding rules and interfaces. This post is based on the previous post “How to set up Shorewall firewall (alternate to [...]
There are a few option of firewall interface available on Linux for iptables, both GUI (Graphical User Interface) and CLI (Command Line Interface). FireStarter user interface on GUI is easy to use and configure. The only problem is it does not work properly with PPTP VPN dialup, it blocks protocol GRE. It does provide a [...]
Storage are getting cheaper and cheaper. Almost a year ago, a 250 GB 2.5″ portable hard disk would cost 120 bucks. But now, it only cost 100 bucks for a 500 GB hard disk. Size are getting bigger and bigger with the same monetary value but does the hard disk spins fast enough to fetch [...]
