Re: Uh Oh - Hosed Upgrade - Deb - How to Recover ?

Jim Jackson <[email protected]> Thu, 6 Aug 2026 21:16:48 -0000 (UTC)
Newsgroups comp.os.linux.misc
Organization A noiseless patient Spider
Message-ID <[email protected]>
On 2026-08-05, Lawrence D?Oliveiro <[email protected]> wrote:
> On Tue, 04 Aug 2026 18:18:23 GMT, Charlie Gibbs wrote:
>
>> # Copy the root partition.
>> dd if=/dev/sda1 | gzip >/mnt/backup/cjglap2/sda1.img.gz
>
> Doing a dd on a volume that is currently mounted may not give
> completely reliable results.
>
>> # Copy various directories.
>> rsync -av --delete /etc                                /mnt/backup/cjglap2
>> rsync -av --delete /usr                                /mnt/backup/cjglap2
>> rsync -av --exclude='/home/cjg/.cache/' --delete /home /mnt/backup/cjglap2
>> rsync -av --delete /var/spool/slrnpull                 /mnt/backup/cjglap2
>
> ???-a??? does not include ???-A??? or ???-X???, which I like to include these
> days, just in case.

also --numeric-ids

The machine you are backing up to may have different "system" ids (<1000)
and cause problems when copying back - depending on how one does it.