Commands by dbr (4)

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show where symlinks are pointing
displays the output of ls -l without the rest of the crud. pretty simple but useful.

check open ports without netstat or lsof

find string into one pdf file

Rotate a single page PDF by 180 degrees
More pdftk examples: http://www.pdflabs.com/docs/pdftk-cli-examples/

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

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

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"

find files ignoring .svn and its decendents
for when find . -print | grep -v .svn | xargs doesnt cut it.

Get all these commands in a text file with description.
I tried out on my Mac, jot to generate sequence ( 0,25,50,..), you can use 'seq' if it is linux to generate numbers, need curl installed on the machine, then it rocks. @Satya

Stream (almost) any music track in mplayer
Just give it an artist and/or song at the end of the command as shown.


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