Hi @jonsalt1973 ,
did you first unmount the 3rd partition (/dev/sda5) and then /dev/sda2 which is the extended partition, both have to be unmounted before you can do anything!.
See also (it may not help because there is no info about LVM partitions!):
PLEASE NOTE: THIS GUIDE DOES NOT DEPICT THE INSTALLATION (CREATION) OF A UEFI PARTITION. IF YOU HAVE A COMPUTER WITH UEFI/BIOS, MAKE SURE YOU ALSO CREATE A UEFI/BIOS PARTITION AS WELL. SEE FURTHER REMARKS ABOUT UEFI PARTITIONS IN THE GUIDE!.
Linux beginners should also look here:
You can only partition on an unmounted drive using an installation disk of your Linux flavour with a partitioning tool included, use the Gparted tool in live mode, or you can download a copy of Gparted from the link…
This may also be of some help?:
Hi all,
this guide can be used on any Ubuntu based system and is intended for people who have a basic working knowledge of an Ubuntu installation and wish to keep the contents of their home folder after doing a re-install.
This guide is also intended for those that already have an existing swap, root and home partition setup!!.
If you have not done/never done any pre-partitioning, please see this guide about using Gparted partition editor:
See also:
https://help.ubuntu.com/community/Howto…
