Category : Mac OS


April 24th, 2011 by usage | 0

convert – convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.


August 19th, 2010 by usage | 0

ps – reports a snapshot of the current processes. ps displays information about a selection of the active processes. If you want a repetitive update of the selection and the displayed information, use top(1) instead. This version of ps accepts several kinds of options: 1   UNIX options, which may be grouped and must be preceded […]


January 22nd, 2010 by usage | 0

How to Start Vine Server (OSXvnc) on 5901 port with no authentication on a different port This is usually considered insecure however I am using this configuration in conjunction with ssh to connect to the LAN network first! I also start the vnc server when I really needed. It’s normally not running. Related

split – split a file into pieces

November 30th, 2009 by usage | 0

split – split a file into pieces

How to use tracd from the command line

October 21st, 2009 by usage | 1 comment

trac can be found at


October 16th, 2009 by usage | 0

if you forget to renew your certificate your cron job may stop working so you may want to use this syntax instead


August 25th, 2009 by usage | 0

Useful bashrc aliases edit your ~/.bashrc file by using VI vi ~/.bashrc alias l=”ls -la” alias st=’svn st’ alias di=’svn di’ alias di=’svn diff –diff-cmd diff -x -uw’ # ignore whitespaces alias ci=’svn ci’ alias up=”svn up” alias rs=”rsync –verbose –stats –recursive –times –perms –links –delete –exclude ‘*bak’ –exclude ‘*~’  –exclude ‘._*’ $1 $2″ EDITOR=vi […]


May 14th, 2009 by usage | 0

How to download a site using wget Download the file in background.   Will download all the links from the list.txt file and pretending that it’s Firefox. wget –continue –verbose –input-file=”list.txt” –output-file=”list.log” –user-agent=”Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1″


April 16th, 2009 by usage | 0

VirtualBox command line usage Related


April 14th, 2009 by usage | 0

Create a tar file and verify the tar archive Related