Commands tagged meta (4)

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check open ports without netstat or lsof

hanukkah colored bash prompt
blue and yellow colored bash prompt for a Hanukkah celebration on your box

Make a directory named with the current date
Create a directory named with the current date in ISO 8601 format (yyyy-mm-dd). Useful for storing backups by date. The --iso switch may only work with GNU date, can use format string argument for other date versions.

Find the package that installed a command

Outputs a 10-digit random number

Print just line 4 from a textfile
Prints the 4th line and then quits. (Credit goes to flatcap in comments: http://www.commandlinefu.com/commands/view/6031/print-just-line-4-from-a-textfile#comment.)

Test file system performance
You need bonnie++ package for this. More detail than a simple hdparm -t /dev/sda would give you. the -d is the directory where it performs writes/reads for example I use /tmp/scratch with 777 permissions Bonnie++ benchmarks three things: data read and write speed, number of seeks that can be performed per second, and number of file metadata operations that can be performed per second.

Obtain last stock quote from google API with xmlstarlet

a function to find the fastest free DNS server
Uses GNU Parallel.

Generate a random password 30 characters long


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