Commands by drewbenn (2)

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Wich program is listen on port OSX

create a backup for all directories from current dir
Create backup (.tar.gz) for all first-level directory from current dir.

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

Get your outgoing IP address
should be very consistent cause it's google :-)

Look for English words in /dev/urandom
Little faster alternative.

View online pdf documents in cli
Probably will not work very well with scanned documents.

A DESTRUCTIVE command to render a drive unbootable
Overwrites the boot sector. Since this doesn't overwrite any data, you can usually recover by re-creating the partition table exactly the same as before you zeroed it. This can also help sometimes if you install a new drive in a Windows machine which can't read it.

Remove color codes (special characters) with sed

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Print Memory Utilization Percentage For a specific process and it's children
Change the name of the process and what is echoed to suit your needs. The brackets around the h in the grep statement cause grep to skip over "grep httpd", it is the equivalent of grep -v grep although more elegant.


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