Commands by jonahhill (0)

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Syntax Highlight your Perl code

convert strings toupper/tolower with tr

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

List the binaries installed by a Debian package
GNU grep's perl-compatible regular expression(PCRE).

mirrors directory to a ftp server
http://lftp.yar.ru/

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

Command to logout all the users in one command
Only to logout all users except root

Find usb device
I often use it to find recently added ou removed device, or using find in /dev, or anything similar. Just run the command, plug the device, and wait to see him and only him

find and reduce 8x parallel the size of PNG images without loosing quality via optipng

scroll file one line at a time (w/only UNIX base utilities)
usage examples ls largedir |rd lynx -dump largewebsite.com |rd rd < largelogfile

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