bjonkman at sobac.com
Sun Dec 15 21:33:40 UTC 2013
If the partitions from the previous install are still accessible from a
bootable USB stick, then there's a good chance that only the boot loader
(GRUB) on the hard drive needs to be re-installed.
It's best to use the same version of Ubuntu on the USB stick that you
have installed on the hard drive.
This is all done from a commandline terminal.
0. If you're not logged in as root you can do it with:
1. Mount the Ubuntu partition (if it isn't mounted already)
mount /dev/sda1 /target
Your Ubuntu partition may not be on sda1; be sure to use the correct
block device name
2. Switch the root context to the Ubuntu partition
3. Install grub to the drive (note: sda not sda1)
4. For good measure, ensure that grub is up-to-date
If you have a different version of Ubuntu you'll have to mount or
softlink system folders like /bin and /sbin -- let us know if that's a
On 13-12-15 12:02 PM, William Frick wrote:
> This morning I did a software update to my 12.04 install. Upon
> restart it failed to load completely and hung. After a few tries I
> tried: 1 Previous versions - same problem 2. recovery mode - fsck
> 'clean' - safe graphic mode - fail - repair packages - no report
> suspect hang 3. Boot from stick - okay 4. Decided to try upgrading to
> 13.10 but release note say must go from 13.04 not 12.04. Can't find
> an ISO of 13.04 amd 64 ...... 5. Do I reinstall 12.04 and then
> upgrade from there ? My hard disk is okay and I can mount home
> directories okay.
> Any advice before I commit to irreparable changes ?
Bob Jonkman <bjonkman at sobac.com> Phone: +1-519-669-0388
SOBAC Microcomputer Services http://sobac.com/sobac/
Software --- Office & Business Automation --- Consulting
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