find dupes recursively starting at foldername:
fdupes -r foldername
Use the following to get prompted to delete duplicates:
fdupes -r -d foldername
There is also a package called FSlint which has a GUI too.
Compile VirtualBox in Ubuntu
In case the kernel changes, and you need to re-compile VirtualBox, use the following command in su mode:
/etc/init.d/vboxdrv setup
Changing default MP3 encoding settings for 256 bit rate
Use the following command in the terminal to see values for lame encoder
gst-inspect-0.10 lame
I've added a bitrate parm in addition to lowering the vbr-quality to 0 from 6 for best quality
My Preferred format setings:
audio/x-raw-int,rate=44100,channels=2 ! lame name=enc mode=0 bitrate=256 vbr-quality=0 ! id3v2mux
Copy / paste in gnome-terminal
Run the following two commands; however, I did not find the copy function did me much good, because I still had to highlight the text with the mouse. It was nice to have a paste feature though.
Paste Function
gconftool-2 -t str -s /apps/gnome-terminal/keybindings/paste "
Copy Function
gconftool-2 -t str -s /apps/gnome-terminal/keybindings/copy "
Compare Folders
Use the diff command with the -q switch for simple output, such as:
diff -q folder1 folder2 | sort > compare.txt
Play a sound with bash script “playsound”
At the time of this writing the package to install was the following:
sudo apt-get install libsdl-sound1.2
The command in the bash script to use is as follows:
playsound ding.wav
Change default startup location of gnome-terminal
In your home folder
gedit .bashrc
Add the following lines at the bottom of the file:
# CHANGE DEFAULT LOCATION OF STARTUP
cd ~/Desktop
Using Alias with Run Application
If you define an alias, it will then run in the "Run Application" window. You can put a bash script in your home folder, make it executable, and use the following command to run it from "Run Application".
xterm -e ./myscript.sh
You can try to research the following to avoid using xterm.
Refer: link
Reset Desktop Settings Back to Default in Ubuntu
Drop to a terminal by hitting CTRL + ALT + F1, login to your account, and run this command:
rm -rf .gnome .gnome2 .gconf .gconfd .metacity
Get back to your GUI desktop by hitting CTRL + ALT + F7
Logout and Logon
Your desktop settings are now reset
Use Ubuntu with VirtualBox Behind Proxy
There seems to be problems with Ubuntu 9.04. It is possible to install from CD-ROM instead by using:
- Press System → Administration → Software Sources.
- Go to the Third Party Software tab and click on the Add CD-ROM button.
- Insert the CD.
Do the following in your terminal prior to using apt-get:
export http_proxy=http://username:pword@HALPROXY1.flagship.hal.com:80
