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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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mercurial close branch

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

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

List top 20 IP from which TCP connection is in SYN_RECV state
List top 20 IP from which TCP connection is in SYN_RECV state. Useful on web servers to detect a syn flood attack. Replace SYN_ with ESTA to find established connections

My PS1
My PS1

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

Print all open regular files sorted by the number of file handles open to each.
This command run fine on my Ubuntu machine, but on Red Hat I had to change the awk command to `awk '{print $10}'`.

Show IP Address in prompt --> PS1 var
when working with many machines in a computer lab need to know the IP addr is very large, this is a simplistic solution to make things easier

Get the absolute path of a file

Start a game on the discrete GPU (hybrid graphics)
On laptops featuring hybrid graphics and using the free X drivers, the DRI_PRIME variable indicates which GPU to run on. This alias allows to utilize the faster discrete GPU without installing proprietary drivers.


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