Commands tagged osx

Remove security from PDF document using this very simple command on Linux and OSX. You need ghostscript for this baby to work.

The backtick operator, in general, will execute the text inside the backticks. On OS X, the pbpaste command will put the contents of the OS X clipboard to STDOUT. So if you put backticks around pbpaste, the text from the OS X clipboard is executed.

If you add the pipeline | pbcopy, the output from executing the command on the clipboard is placed back on the clipboard.

Note: make sure the clipboard is text only.

adding users to groups on OS X is not a straightforward process, you need to use the new in built in Directory Service command line utility...

OSX's BSD version of the du command uses the -d argument instead of --max-depth.

This command can be used with xclip or xsel for use on a linux box.

Redirects the contents of your clipboard through a pipe, to a remote machine via SSH.

This command will open up the two files in FileMerge on OS X. You can also compare two directories.

NOTE: FileMerge is a part of the OS X Developer Tools, available on the install disc.

Schedule your Mac to sleep at any future time.

Also wake, poweron, shutdown, wakeorpoweron. Or repeating with

Query with

Lots more at http://www.macenterprise.org/articles/powermanagementandschedulingviathecommandline

I use terminal with black background on the Mac. Unfortunately, the default ls color for the directory is blue, which is very hard to see. By including the line above in my ~/.bash_profile file, I changed the directory's color to cyan, which is easer to see. For more information on the syntax of the LSCOLORS shell variable:

I tested this command on Mac OS X Leopard

Installing most OSX apps is just a matter of dropping it in /Applications, either GUI-wise or with cp -r. However, many packages are distributed in "mpkg" format, and those have to be installed with an installer. If you don't want to go to the trouble of firing up VNC to install an mpkg, you can use the "installer" command.

This will install an application from a .mpkg it to /Applications system-wide. To install a program for just one user, replace "-target /" with "-target username".

To unmount, replace "attach" with "eject"

This is useful if you have need to do port forwarding and your router doesn't assign static IPs, you can add it to a script in a cron job that checks if you IP as recently changed or with a trigger script.

This was tested on Mac OSX.