Commands by limonte (2)

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Purge configuration files of removed packages on debian based systems

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"

List the size (in human readable form) of all sub folders from the current location

Get free RAM in %

live ssh network throughput test
connects to host via ssh and displays the live transfer speed, directing all transferred data to /dev/null needs pv installed Debian: 'apt-get install pv' Fedora: 'yum install pv' (may need the 'extras' repository enabled)

Check if filesystem hangs
When a fs hangs and you've just one console, even # ls could be a dangerous command. Simply put a trailing "&" and play safe

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

Override and update your locally modified files through cvs..

copy partition table from /dev/sda to /dev/sdb

Print line immediately before a matching regex.
Use this if you don't have access to GNU grep's -B option.


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