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Count the number of pages of all PDFs in current directory and all subdirs, recursively

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Install your ssh key file on a remote system

A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram

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

which process has a port open

List by size all of the directories in a given tree.

list block devices
Shows all block devices in a tree with descruptions of what they are.

clear current line

Find broken symlinks
To understand why this is the equivalent of "find -L /path/to/search -type l, see http://ynform.org/w/Pub/FindBrokenSymbolicLinks or look at http://www.gnu.org/software/findutils/manual/html_mono/find.html


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