Commands by unixmonkey14934 (2)

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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

bash screensaver (scrolling ascii art with customizable message)
Displays a scrolling banner which loops until you hit Ctrl-C to terminate it. Make sure you finish your banner message with a space so it will loop nicely.

List mp3 files with less than 320 kbps bitrate.

check open ports without netstat or lsof

Convert mkv to SVCD/DivX
ffmpeg supports mkv

Copy the text from the 3rd line to the 9th line into a new file with VI

Replace Every occurrence of a word in a file
Replace 'this' with 'that'

Optimal way of deleting huge numbers of files
Using xargs is better than: $ find /path/to/dir -type f -exec rm \-f {} \; as the -exec switch uses a separate process for each remove. xargs splits the streamed files into more managable subsets so less processes are required.

Search commandlinefu.com from the command line using the API
for me the above command didn't work for more than one argument but this one does

kill ip connection
needed; apt-get install tcpkill


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