Commands by 0x2142 (4)

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Rotate all jpeg images in current folder, rename them to EXIF datetime and set files timestamp to EXIF datetime

List the most recent dates in reverse-chronological order
bash brace expansion, sequence expression

reclaim your window titlebars (in ubuntu lucid)

Get length of current playlist in xmms2

Edit a file on a remote host using vim

Check if running in an X session
If you want to display a dialog (using xdialog/kdialog/zenity) you need to make sure that you have a valid X session. Checks for the existence of the DISPLAY variable.

sort ugly text
Often, when sorting you want the sort to ignore extraneous characters. The b, d, and f tell sort to ignore leading blanks, use 'dictionary order' (ignore punctuation), and ignore (fold) case. Add a "u" if you only want one copy of duplicate lines. This is a great command to use within vim to sort lines of text, using !}sort -bdf

How to copy CD/DVD into hard disk (.iso)
A dear friend of mine asked me how do I copy a DVD to your hard drive? If you want to make a copy of the ISO image that was burned to a CD or DVD, insert that medium into your CD/DVD drive and (assuming /dev/cdrom is associated with your computer?s CD drive) type the following command

check open ports without netstat or lsof

list block devices
Shows all block devices in a tree with descruptions of what they are.


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