[CentOS] remote yum update aborted with session closing - won't boot

[Robert Moskowitz]

On 07/01/2014 06:42 PM, Ljubomir Ljubojevic wrote:
> On 07/02/2014 12:19 AM, Robert Moskowitz wrote:
>> I was upgrading a system remotely from Centos 6.3 to 6.5 via VNC. Now
>> the system will not boot.  Or at least without bringing up the console
>> and switching to the older kernel.  The last messages I see in
>> /var/log/messages are:
>>
>> Jul  1 14:53:51 rigel yum[3220]: Updated: scl-utils-20120927-8.el6.i686
>> Jul  1 14:53:53 rigel gnome-keyring-daemon[2710]: dbus failure
>> unregistering from session: Connection is closed
>> Jul  1 14:53:53 rigel gnome-keyring-daemon[2710]: dbus failure
>> unregistering from session: Connection is closed
>> Jul  1 14:53:54 rigel gnome-keyring-daemon[2822]: dbus failure
>> unregistering from session: Connection is closed
>> Jul  1 14:53:54 rigel gnome-keyring-daemon[2822]: dbus failure
>> unregistering from session: Connection is closed
>>
>> yum update reports 'No Packages marked for Update'.
>>
>> How do I trouble shoot this?  I am assuming that I only got a partially
>> completed update.
>>
> You can do "yum history list" to see the number of the last command,
> lets say it was 234, and then you can use "yum history info 234 to list
> all changed packages. "yum history undo 234 would revert the system to
> previous state, and then you can do "yum update" again. "yum history
> repeat 234" might help you as well.
>
> I think you have enough info to chose how you want to proceed.
>
>
thanks for both recommendations.