Commands by ShlomiNoach (6)

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GZip all files in a directory separately

Rotate all jpeg images in current folder, rename them to EXIF datetime and set files timestamp to EXIF datetime

Analyze awk fields
Breaks down and numbers each line and it's fields. This is really useful when you are going to parse something with awk but aren't sure exactly where to start.

find only current directory (universal)
you must be in the directory to analyse report all files and links in the currect directory, not recursively. this find command ahs been tested on hp-ux/linux/aix/solaris.

Know SELinux status
Usefule to check whether SELinux is in force or disabled. Though you need to be superuser while execute this command.

shutdown pc in 4 hours without needing to keep terminal open / user logged in.
From the 'disown' man page: disown prevents the current shell from sending a HUP signal to each of the given jobs when the current shell terminates a login session.

Selecting a random file/folder of a folder
Also looks in subfolders

List all open ports and their owning executables
Particularly useful on OS X where netstat doesn't have -p option.

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

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


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