# Fatal error 'grub-install /dev/sda failed' while attempting to install Ubuntu 14.04 LTS iso on opennebula 5.2 VM

**URL:** <https://forum.opennebula.io/t/fatal-error-grub-install-dev-sda-failed-while-attempting-to-install-ubuntu-14-04-lts-iso-on-opennebula-5-2-vm/3344>\
**Category:** Product Support\
**Created:** [November 25, 2016, 10:40am UTC](https://forum.opennebula.io/t/fatal-error-grub-install-dev-sda-failed-while-attempting-to-install-ubuntu-14-04-lts-iso-on-opennebula-5-2-vm/3344 "2016-11-25T10:40:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sachi](https://avatars.discourse-cdn.com/v4/letter/s/94ad74/32.png) [@sachi](https://forum.opennebula.io/u/sachi)\
**Post date:** [November 25, 2016, 10:40am UTC](https://forum.opennebula.io/t/fatal-error-grub-install-dev-sda-failed-while-attempting-to-install-ubuntu-14-04-lts-iso-on-opennebula-5-2-vm/3344/1 "2016-11-25T10:40:44Z")

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trying to install ubuntu 14.04 LTS iso on VM instance but installation fails with GRUB error  
please help me to solve this …

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**Author:** ![mcabrerizo](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.opennebula.io/mcabrerizo/32/4829_2.png) [@mcabrerizo](https://forum.opennebula.io/u/mcabrerizo)\
**Post date:** [November 29, 2016, 8:34am UTC](https://forum.opennebula.io/t/fatal-error-grub-install-dev-sda-failed-while-attempting-to-install-ubuntu-14-04-lts-iso-on-opennebula-5-2-vm/3344/2 "2016-11-29T08:34:37Z")

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Hi!  
could you share your VM template so users in the forum can check what may be wrong with your VM?

Using your oneadmin user and the CLI run onetemplate show template\_id where template\_id is the numeric ID for your template.

Cheers!