Commands by jacaetevha (1)

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Randomize lines in a file
Works in sort (GNU coreutils) 7.4, don't know when it was implemented but sometime the last 6 years.

full path listing in /directory/path/* of javascript files.
file listing in /directory/path/* of specific files such as javascript(js) .

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

File rotation without rename command
Rotates log files with "gz"-extension in a directory for 7 days and enumerates the number in file name. i.e.: logfile.1.gz > logfile.2.gz I needed this line due to the limitations on AIX Unix systems which do not ship with the rename command.

Find the package that installed a command

leave a stale ssh session
When your ssh session hanged (probably due to some network issues) you can "kill" it by hitting those 3 keys instead of closing the entire terminal.

restoring some data from a corrupted text file
man tac When there is a bad block in the middle of your file, you can see its begninning with `cat' and its end with `tac'. But both commands terminates with an error. So this sequence rebuilds a new file without badblock.

checking space availabe on all /proc/mounts points (using Nagios check_disk)
More info here: http://nagioswiki.com/wiki/index.php/Checking_/proc/mounts_on_remote_server

Reset hosed terminal,
stty sane resets the tty to basic usable function. The ^J is a newline -- sometimes CR/LF interpretation is broken so use the ^J explicitly.

Determining the excat memory usages by certain PID
this command gives you the total number of memory usuage and open files by the perticuler PID.


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