Update Ubuntu from 14.04 LTS to 16.04 LTS

You must have internet access on the Valt appliance to perform this upgrade. The steps below may vary slight based on each individual installation.

WARNING: If problems occur during the update, the system may become inaccessible. It is strongly advised that you have a large maintenance window to perform this update and that you or someone else can access the console in the event of a failure.

1. Connect to the Valt appliance via ssh.
2. Type wget --content-disposition https://ivs.box.com/shared/static/asg7bbzz2iq2bjqd78h632vgw6pq42tl.gz -O UbuntuUpgrade.tar.gz and press enter.
3. Type tar -xvf UbuntuUpgrade.tar.gz and press enter.
4. Type cd UbuntuUpgrade and press enter.
5. Type sudo ./StartUpgrade and press enter.
6. When prompted, enter Y to continue.

   

7. When prompted, press enter to continue.

   

8. If you encounter an error similar to the picture below, please see the following article:Unable to Upgrade Ubuntu

   

9. When prompted, enter Y to continue.

   

10. When prompted, enter 127.0.0.1 for the host running the MySQL server.

    

11. When prompted, select No to perform the update on phpmyadmin.

    

12. Select Keep the local version currently installed

    

13. When prompted, enter Y to continue.

    

14. When prompted, enter Y to reboot.

    

15. After the system has rebooted, connect to the appliance again via SSH
16. Type cd UbuntuUpgrade and press enter.
17. Type sudo ./PostUpgrade and press enter.

1. Type sudo reboot and press enter.

Note: If the website displays PHP code instead of the valt site, try running sudo tasksel install lamp-server