Commands by din7 (18)

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find an unused unprivileged TCP port
perl-less way

create a temporary file in a command line call
Sometimes you have a script that needs and inputfile for execution. If you don't want to create one because it may contain only one line you can use the `

Random unsigned integer
works at least in bash. returns integer in range 0-32767. range is not as good, but for lots of cases it's good enough.

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

Listing package man page, services, config files and related rpm of a file, in one alias
Many times I give the same commands in loop to find informations about a file. I use this as an alias to summarize that informations in a single command. Now with variables! :D

list files recursively by size

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

Print github url for the current url
Works for repos cloned via ssh or https.

Another Matrix Style Implementation

Search git logs (case-insensitive)
Normally, searching git log comments is case sensitive. The -i luckily applies to the --grep switch.


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