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Copy ssh keys to user@host to enable password-less ssh logins.
To generate the keys use the command ssh-keygen

find the path of the java called from the command line
The output will likely point to '/etc/alternatives/java'. So find out where that points by issuing ls -l like this: ls -l /etc/alternatives/java

Display the standard deviation of a column of numbers with awk

Decrypt exported android wallet keys for import into desktop client (LTC,FTC,BTC)

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"

Identify all amazon cloudformation scripts recursively using ripgrep
This assumes you are in the cwd of where you put your s3 scripts. Its useful if someone decides to create aws cloudformation scripts and doesn't add the 'yaml' or .yml extension.

Install pip with Proxy
Installs pip packages defining a proxy

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

Delay execution until load average falls under 1.5
If shell escaping of the command is problematic, you can write the command to a file first: $ batch


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