Commands tagged ImageMagick (70)

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Quickly find a count of how many times invalid users have attempted to access your system

Webcam view with vlc
Quick command to test your webcam. Press 'f' to toggle fullscreen. Can also use 'vlc v4l2://' if you want gui controls. For higher/smoother framerate lower the default resolution: $ cvlc v4l2:// :v4l2-width=320 :v4l2-height=240 &

Convert unix timestamp to date

Run netcat to server files of current folder

peak amount of memory occupied by any process with "FOO" in its name
Show the maximum amount of memory that was needed by a process at any time. My use case: Having a long-running computation job on $BIG_COMPUTER and judging whether it will also run on $SMALL_COMPUTER.   http://man7.org/linux/man-pages/man5/proc.5.html VmHWM: Peak resident set size ("high water mark")

Add forgotten changes to the last git commit
It's pretty common to forgot to commit a files, be it a modification, or a brand new file. If you did forget something, git add the files you want, and then git commit --amend. It will essentially redo the last commit, with the changes you just added. It seeds the commit message with the last commit message by default. You probably shouldn't do this if you've already pushed the commit.

Securely stream (and save) a file from a remote server
Securely stream a file from a remote server (and save it locally). Useful if you're impatient and want to watch a movie immediately and download it at the same time without using extra bandwidth. This is an extension of snipertyler's idea. Note: This command uses an encrypted connection, unlike the original.

delete PBS jobs based on strings from qstat output

trace http requests with tshark
trace http requests on the specified interface. uses the amazing tshark tool (http://www.wireshark.org/docs/man-pages/tshark.html)

grep -v with multiple patterns.
Use multiple patterns with grep -v. So you can print all lines in a file except those containing the multiple patterns you specify.


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