upgrade to 12.04 LTS vs fresh install questions

[Avi Greenbury]

Linda wrote:
> 1. the 10.04 LTS have ext3 filesystems, is it worth the extra effort
> to do clean install and format the drives with ext4 file systems?

You can upgrade in-place from ext3 to ext4 using tune2fs if you
particularly want ext4.

> 2. Some of these machines do not have network manager on them for
> 10.04 LTS as all the network configuration was done by hand. I did a
> trial update on a machine I had replaced with a new one and the
> upgrade to 12.04 LTS installs network-manager but  it gives an error
> that it is incompatible with the current version.

Is this an issue if you intend to remove n-m and hand-configure the
network?

-- 
Avi