Following IronMan Challenge posts not only for the sake of seeing What Color of Hair & Shirt ends up with Matt but the posts have been much enlightening. Recently in IronMan Challenge, there’s been much talk about one of Miyagawa’s project, App::cpanminus. Basically, cpanminus is a tool to install perl module from CPAN, without the [...]
Tag Archives: Linux
Gimp – How to convert background of logo or picture into transparency
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 [...]
Perl – Connect using SSH with Perl & CPAN module
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 [...]
Ubuntu – How to change default menu for Net Book Remix
Net Book Remix is another spin off of Ubuntu. It’s strength is to make Ubuntu to run on Netbook, miniature laptop which target for internet applications users. Typically, the screen size are small (from 9″ – 12″), thus it is light (0.8kg – 1.5kg) and runs on Atom processor. The kernel and programs on NBR [...]
vim – Commenting multiple lines, block comment
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 [...]
Network IP address calculator – for subnet and range of host
One of the task installing a new FreeBSD box was dealing with IP addresses. Usually, google a web based calculater would do the trick. But today’s task is a bit different.
IPv6. A whole row of hexadecimal spinning in front of my eyes, just to figure out what is the range of IP that is usable. [...]
Perl – How to install Perl module using CPAN shell
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 [...]
Apache – [warn] _default_ VirtualHost overlap on port 80, the first has precedence
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 [...]
MySQL – Passwordless login within bash script
As like the previous post about passwordless login within Bash script, this post is about how to connect to MySQL database server using Bash script without MySQL client prompting for login.
Here it is :
ssh – How to encrypt/tunnel internet traffic through ssh
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 [...]
