How can I take a screenshot of the login screen?
I do not want to recreate my Ubuntu installation in a virtual machine.
This blog might be helpful: http://ptspts.blogspot.com/2010/02/how-to-create-screen-shot-of-gdm-login.html
Install ImageMagick for the image file format conversion below:
Create a helper script:
Make sure your login screen is active (log out or reboot the machine, and wait until you see the login screen). Log in in text mode (by pressing Ctrl-Alt-F1), or using SSH. Create the screen shot by running
You can log in now (by pressing Ctrl-AltF7 first to get back to the GDM login screen). Convert the screen shot to JPEG and/or PNG:
View the screen shot in your favourite image viewer.
For 11.10 and Lightdm and later
You can try running
Just wanted to note that I had a bunch of problems doing this on Ubuntu 10.04 LTS with this - here's my solution:
I'm on machine A, and I log on to machine B via ssh:
Then, I proceed with several attempts to grab screenshot, which all failed. The problem can be reduced down to
Well, it turns out that for some reason, the correct invocation for targeting X-windows via ssh is
Now that we know
I edited "/etc/mdm/Init/Default" and added:
before the line with "exit 0".
The next time I login, I count to five, beep, and I got my screenshot in "/root".
For Ubuntu 14.04
The answers above did not work for me in Ubuntu 14.04 - I searched around and found this that works.
It will take you back to login screen graphical interface (chvt 7) and after five seconds it will take and save the screenshot in your home directory with a file name