20100605 Where is the JDK!?

/usr/lib/jvm/ has all the JDK’s you might have installed. For example, these are the contents of my /usr/lib/jvm/ folder: lrwxrwxrwx 1 root root   14 2009-11-01 11:19 java-1.6.0-openjdk -> java-6-openjdk drwxr-xr-x 5 root root 4096 2009-08-05 09:59 java-6-openjdk lrwxrwxrwx 1 root root   19 2010-05-03 20:27 java-6-sun -> java-6-sun-1.6.0.20 drwxr-xr-x 8 root root 4096 2010-06-05 [...]

20100603 Firefox 64 bit (Ubuntu)

I wanted to test the latest Firefox but for the love of whoever you want, I wasn’t able to find a 64bit build in Mozilla’s site. I could choose between lots of languages, but I couldn’t choose between 32 and 64 bits– their detection system insisted in providing the 32 bits builds. Bad, bad UI [...]

20100426 Unknown input or output format: x11grab (Ubuntu)

I recompiled today ffmpeg because I wanted to have support for a couple more of formats but when I finished the installation (using the latest SVN version), I was unable to capture the screen any more. Got this error: Unknown input or output format: x11grab I have been searching and reading almost hundreds of pages [...]

20091102 ffmpeg ERROR: libx264 version must be >= 0.78

Yesterday, I succumbed to the temptation and clicked on the Upgrade button… which means that I upgraded my Ubuntu system to 9.10. And as expected, my own build of ffmpeg got broken because of the way the binary had been built — it was trying to load a library by its exact name and version, [...]

20091022 dig

I normally go to webs like dnsstuff to find the IP address of a domain. But since I found this command, I think I’ll stop visiting them so often! An example is worth one thousand words: sole@courgette:~$ dig google.com ; <<>> DiG 9.5.1-P2 <<>> google.com ;; global options:  printcmd ;; Got answer: ;; ->>HEADER<<- opcode: [...]