Commands by KlfJoat (3)

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Email yourself a short note
I created this so I could send myself an email alert when a long-running job was finished, e.g., $ my_long_job.exe ; quickemail my_long_job.exe has finished

Create a 5 MB blank file
Useful for testing purposes

check open ports (both ipv4 and ipv6)

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

pretend to be busy in office to enjoy a cup of coffee
This will turn it in an infinite loop and also shows random words from a file, so it won't be the same each time and also not just a number.

display date of last time a process was started in `date` format
STARTED Mon Oct 18 04:02:01 2010

List upgrade-able packages on Ubuntu
Taken from apticron and modified.

Put public IP address in a variable

remove *.jpg smaller than 500x500

Show in a web server, running in the port 80, how many ESTABLISHED connections by ip it has.
The command could show you all conecctions if you skip "grep ESTABLISHED"


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