Commands by fritz_monroe (2)

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use the previous commands params in the current command
Here the !!:1 will take the first parameter from the previous command. This can be used in conjunction with other history commands like ! and so on.

"hidden" remote shell
opens a "hidden" remote shell (login will not appear in "last" for example). This is not really hidden, because the login will be shown in auth.log and the process is visible anyways. ssh -T = Disable pseudo-tty allocation. bash -i = interactive shell

Show your current network interface in use

Exclude multiple columns using AWK
Print all columns except the 1st and 3rd.

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

Highlight network TX, RX information change

Create md5sum of a directory

Chmod all directories (excluding files)
+ at the end means that many filenames will be passed to every chmod call, thus making it faster. And find own {} makes sure that it will work with spaces and other characters in filenames.

Convert Squid unixtime logs in human-readable ones
On-the-fly conversion of Unix Time to human-readable in Squid's access.log

find directory with most inodes/files
Find which directory in one filesystem that contains most inodes or files.


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