Commands tagged process (45)

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List only the directories
to include hidden dirs use: $ tree -adL 1 (with ls, requires 'ls -ad */ .*/')

take a look to command before action
add |sh when you agree the list, I often use that method to prevent typos in dangerous or long operations

Get a docker container's run command line
A good way to build a new container when you don't remember how you did it the first time

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"

Show line numbers in a text file

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

Alert on Mac when server is up
When run on a mac, this command will bring up a dialog box in the Terminal when server HOSTNAME first responds to a ping.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

use screen as a terminal emulator to connect to serial consoles
Use GNU/screen as a terminal emulator for anything serial console related. screen /dev/tty eg. screen /dev/ttyS0 9600 MacOSX: http://www.macosxhints.com/article.php?story=20061109133825654 Cheat Sheet: http://www.catonmat.net/blog/screen-terminal-emulator-cheat-sheet/

netcat as a portscanner


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