Well, this is a little bit cheating because I started with an already made pfSense image by my colleague. Nevertheless, it’s still a long story. Fix Disk Error When making the image, UUID wasn’t ...

As a continuation of previous article introducing Cobbler inside VirtualBox, this one will talk about power management. First of all, as a principle of no reinventing of the wheel, here is the fen...

Cobbler can help you with all those complicated things for network installation, i.e. PXE, DHCP, etc. Here is a brief instruction for trying it out in VirtualBox with Ubuntu as guest OS. To set u...

After upgraded to Mavericks, my Message and Facetime stopped working completely, and I couldn’t even login. After googling for a while, I realized it was the problem of my serial number! Check here...

I was very surprised that I couldn’t found any article talking about how to make RapidMinder Server (formerly RapidAnalytics) work with R extension. All those articles are discussing how to install...

So the idea is simple: I need to offer public services, e.g. http, ssh, on my Raspberry Pi behind a VPN connection. But what’s the difference w/ and w/o a VPN connection? The thing is with a VPN c...

Just installed subversion and git via Homebrew with default option, git svn gave me: Can't locate SVN/Core.pm in @INC (@INC contains: /usr/local/Cellar/git/1.8.4.1/lib/perl5/site_perl/5.16.2/darwi...

Ever since phasing out of my super old x86 laptop, and replacing it with a super cheap raspberry pi, I have been losing my Sonatype Nexus. The reason for needing such a tool is so obvious that I wo...

Nutch is cool and pretty simple to start. Lots of tutorials over the Internet. The problem I had was I couldn’t make nutch to index or even store anchor text. No argue but I just needed it or them...

Started from a crazy idea or a quick and dirty hack more precisely, in order to detect insert/update/delete events within MySQL, and therefor react on that by executing some system commands, I foun...