How to add customize resolution in Ubuntu 12.10

Hi, 

Recently I was juggling around running VNC on my Ubuntu. I needed a specific resolution to be maintained and was figuring , how to do it. After some time of googling and doing some research I  wsa able to get the solution .So the steps are pretty simple.

Open your terminal and time the following command 

cvt 1280 710 60 ( here you can give what resolution you want, 1st and 2nd argument are resolution ,whereas 3rd argument is the refresh rate frequency in Hz)

Output :

karthik@karthik-virtual-machine:~$ cvt 1280 710 60
# 1280×710 59.85 Hz (CVT) hsync: 44.17 kHz; pclk: 73.50 MHz
Modeline “1280x710_60.00” 73.50 1280 1344 1472 1664 710 713 723 738 -hsync +vsync

Next copy the above line except “Modeline keyword” and paste it in the terminal with xrandr prefix 

karthik@karthik-virtual-machine:~$ xrandr –newmode “1280x710_60.00”   73.50  1280 1344 1472 1664  710 713 723 738 -hsync +vsync 

karthik@karthik-virtual-machine:~$ xrandr –addmode Virtual1  “1280x710_60.00”  

Enter the above command. Note that I have used a keyword “Virtual1” which could be different in your system.

Just type xrandr and see what is “connected” to the device. That name would be your device name. 

Once done, go to unity search and type display. You should be able to see your customize resolution option 🙂 Image

 

 

Have fun !

Karthik 

 

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