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: OS X
OSX – How to arrange Menu Bar icons
When too many icon clogging on the Menu Bar, re-arrange them might look better. The shortcut key to arrange the icons is :
Cmd + mouse left click
on an icon then start arranging them.
Adios !!!
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 [...]
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 [...]
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 [...]
How to check hard disk transfer speed or timing
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 [...]
Mozilla Firefox – common keyboard shortcut keys
Firefox have all the bells & whistles to make our internet life happy. Tabs, plugins, portability and keyboard shortcuts. Firefox keyboard shortcuts make browsing addictive, especially to system administrator, which our hands are on the keyboard most of the time. We could use mouse to browse it but wouldn’t you think by keeping your hands [...]
