Wednesday, September 26, 2012

Custom Resolution for Linux VM

--- For Virtual Box VMs ---

After VM is installed and Guest Additions are installed, you will also need to install another dependency.  Hard to find instructions so I have written them down in this post.

* Assuming you have already followed instructions properly and installed dkms modules. *

install dependency "virtualbox-ose-guest-x11".   

After this is done you will receive no gamma or crt error when attempting to add custom resolution to x11 server.   

# sudo apt-get install virtualbox-ose-guest-x11   

# cvt 1366 768   

# xrandr --newmode <Modeline>   

* default viewport will change to "VBOX0" *  !! Important   

# xrandr --addmode VBOX0 1366x768

# xrandr --output VBOX0 --mode 1366x768

DONE!     

Credit 

http://superuser.com/questions/239768/how-do-i-increase-virtualbox-resolution-past-800x600-in-linux

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