Commands by alcissports (0)

  • bash: commands not found

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Dump dvd from a different machine onto this one.
You can use this to directly dump from machine A (with dvd drive) to machine B (without dvd drive) . I used this to copy dvd using my friend's machine to my netbook. Above command is to be issued on machine B. Advantages : 1) No wasting time dumping first to machine A and then copying to Machine B. 2) You dont need to use space on Machine A. In fact, this will work even when Machine A doesnt have enough hdd space to dump the DVD. Use -C ssh option on slow networks (enables compression). you can replace "dd if=/dev/dvd" with any ripping command as long as it spews the iso to stdout.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

pdfcount: get number of pages in a PDF file

Open Finder from the current Terminal location
I did not know this, i'd like to share...

external projector for presentations
i spent way too many hours trying to fiddle with /etc/X11/xorg.conf trying to hook up various external projectors. too bad i didn't know this would solve all my problems.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Move items from subdirectories to current directory
Find every file and move it to current directory.

move you up one directory quickly
Alias a single character 'b' to move to parent directory. Put it into your .bashrc or .profile file. Using "cd .." is one of the most repetitive sequence of characters you'll in the command line. Bring it down to two keys 'b' and 'enter'. It stands for "back" Also useful to have multiple: alias b='cd ../' alias bb='cd ../../' alias bbb='cd ../../../' alias bbbb='cd ../../../../'

Remove a line from a file using sed (useful for updating known SSH server keys when they change)

Sort movies by length, longest first
Sort .avi movies by time length, print the longest first, and so on...


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