Commands by Sepero (6)

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Format date/time string for a different day
The "date' command has options to easily format the date, day, month, time, etc. But what if you want a relative date or time. Like, I wanted yesterday's date in a particular format. You may want the exact date of "2 months ago" or "-3 days" nicely formatted. For that, you can use this command. The --date option takes fuzzy parameters like the ones mentioned in the previous sentence.

awk change field separator
GNU Awk 3.1.4

whois filtering the important information

Day of the week of your birthday over the years.
Do you ever want to know which day of week was your birhday! Now you can check that with this command, just set your birh date at the beginning (My bday in the example) and the dates will be revealed. ;)

Quickly generate an MD5 hash for a text string using OpenSSL

Rsync remote data as root using sudo
If your user has sudo on the remote box, you can rsync data as root without needing to login as root. This is very helpful if the remote box does not allow root to login over SSH (which is a common security restriction).

get a random 0/1, use it for on/off, yes/no
use it to add a random boolean switch to your script

Show permissions of current directory and all directories upwards to /
NB not 'namei -m .', as it slices the path you give it.

See loaded modules in apache
Easiest way to check which modules are loaded in apache.

export iPad, iPhone App list to txt file


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