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trying to upgrade from 12.04.5 to 14.04.4

I'm genuinely perplexed. I've done 12.04->14.04 a number of times already, but I have this one server that's being absolutely stubbo. To recap, this is what I've done so far:

-- checked apt/sources.list and sources.list.d to make sure no third party repositories in place
-- backed things up

OK, so

Code:

apt-get update
apt-get dist-upgrade
(reboot)
apt-get install update-manager-core
do-release-upgrade
and all I get with that is:

Code:

# do-release-upgrade
Checking for a new Ubuntu release
No new release found
huh?

So,

Code:

# grep -i prompt /etc/update-manager/release-upgrades
# Default prompting behavior, valid options:
Prompt=lts
that's okay. And

Code:

# lsb_release -a
LSB Version:    core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID:    Ubuntu
Description:    Ubuntu 12.04.5 LTS
Release:    12.04
Codename:    precise
okay... hrm.

Code:

# uname -r
3.2.0-101-generic
Is this some kind of keel issue? That's a pretty old keel there at this point, but I thought the *point* of LTS to LTS was to make the upgrades between each easy...!
I've googled around and while I see that there's been issues with 12.04->14.04 (though mostly earlier versions of the presently latest 12.04/14.04 versions), none of the suggestions I've come across have worked so far. (I have done do-release-upgrade -d since I have Prompt=lts specified, but that didn't do anything either).

So I'm stumped. Any additional ideas or insight as to what's going on? I suppose I can do a clean install, but now I'm plain aoyed and want to know what's going on... could be a tall order, of course, ha ha...

برچسب: نویسنده: استخدام کار تاريخ: پنجشنبه 26 فروردين 1395 ساعت: 9:41

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