Commands by WeahDratini (0)

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Get first Git commit hash
git log --format=%H | tail -1 doesn't work anymore

Find all files containing a word
shorter :p

Unix alias for date command that lets you create timestamps in ISO 8601 format
I often need to add a timestamp to a file, but I never seem to remember the exact format string that has to be passed to the date command to get a compact datetime string like 20090220T231410 (i.e yyyymmddThhmmss, the ISO 8601 format popular outside the US)

easily strace all your apache processes
This one-liner will use strace to attach to all of the currently running apache processes output and piped from the initial "ps auxw" command into some awk.

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

exclude a column with cut
Show all columns except 5th. This might help you save some typing if you are trying to exclude some columns from the output.

Git Global search and replace
Find all the occurrences in the git repo of 'foo' and replace with 'bar'

Batch-Convert text file containing youtube links to mp3

List bash functions defined in .bash_profile or .bashrc
typeset command gives to stdout all the functions defined in a bash session, -f and -F switches are for: all functions names with body (-f) and all functions names only (-F).

Convert text to uppercase
Usage: upper [STRING]...

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