Commands by unixmonkey3987 (3)

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delete files containing matching text
-r recursively -Z zero byte after each file name instead of the usual newline -l only filenames

Download Youtube video with wget!
Nothing special required, just wget, sed & tr!

purge installed but unused linux headers, image, or modules
will purge: only installed apps: /^ii/!d avoiding current kernel stuff: /'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d using app names: s/^[^ ]* [^ ]* \([^ ]*\).*/\1/ avoiding stuff without a version number: /[0-9]/!d

Sort and count subjects of emails stuck in Exim queue

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

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"

On Mac OS X, runs System Profiler Report and e-mails it to specified address.
Replace "[email protected]" with the target e-mail address. Thanks to alediaz for "$HOSTNAME" which is very useful when running the command with Apple Remote Desktop to multiple machines simultaneously.

Get a list of all your VirtualBox virtual machines by name and UUID from the shell
A similar command that lists only the currently running VMs is thus: $ VBoxManage list runningvms ...the above showing a list of VMs by name and UUID in the same format as the "$ VBoxManage list vms" command

Who has the most Apache connections.
This will tell you who has the most Apache connections by IP (replace IPHERE with the actual IP you wish to check). Or if you wish, remove | grep -c IPHERE for the full list.

Find all clients connected to HTTP or HTTPS ports
It finds, specifically, the connections to the HTTP and HTTPS ports as source ports. You can check for destination ports as well.


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