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The crypt function takes a password, key, as a string, and a salt character array which is described below, and returns a printable ASCII string which starts with another salt. It is believed that, given the output of the function, the best way to find a key that will produce that output is to guess values of key until the original value of key is found.
from http://en.wikipedia.org/wiki/Crypt_(Unix)
Adding this alias to ~/.bashrc or, better yet, the system-wide /etc/bash.bashrc (as in my setup) will make it possible to not only run pacman as any user without needing to prepend sudo but will also ensure that it always assumes that the user knows what he or she is doing. Not the best thing for large multi-user enterprise setups at all to say the least, but for home (desktop) use, this is a fantastic time-saver.
Using this command you can track a moment when usb device was attached.
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
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"
Usage: ytmp3 "YTurl" "YTurl2" "YTurl3" "YTurlN"
Uses the shift command to let you extract the .mp3 from as many youtube urls as you like (or wherever else youtube-dl is supported)
*Requires youtube-dl
Orginal chunk of code:
youtube-dl -q -t --extract-audio --audio-format mp3 URL
taken from here http://www.commandlinefu.com/commands/view/9701/convert-youtube-videos-to-mp3
Query the Socrata Open Data API being used by the White House to find any employee's salary using curl, grep and awk.
Change the value of the search parameter (example uses Axelrod) to the name of any White House staffer to see their annual salary.
Nothing special required, just wget, sed & tr!