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check open ports without netstat or lsof

Chrome sucks

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

Rename file to same name plus datestamp of last modification.
Note that the -i will not help in a script. Proper error checking is required.

Speed up upgrades for a debian/ubuntu based system.
Please install aria2c before you try the above command. On ubuntu the command to install aria2c would be: $sudo aptitude install aria2

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

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

for too many arguments by *
$ grep ERROR *.log -bash: /bin/grep: Argument list too long $ echo *.log | xargs grep ERROR /dev/null 20090119.00011.log:DANGEROUS ERROR

Binary Clock
Create a binary clock.

Merge several pdf files into a single file
merge a.pdf b.pdf and c.pdf and create ./out.pdf


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