Need to logout on Update

[John Pilkington]

On 21/07/11 16:53, Patrick O'Callaghan wrote:
> On Thu, 2011-07-21 at 11:17 +0100, John Pilkington wrote:
>> On 21/07/11 09:21, Roderick Johnstone wrote:
>>> On 21/07/11 03:38, Jim Dean wrote:
>>>> A recent discussion on Fedora forums raised the need to logout and back
>>>> after a KDE version update. I've noticed that the system becomes
>>>> unstable, last time I got a plasma crash, and others reported similar
>>>> things. Is this common or just a few people?
>>>> It was suggested that a bug should be raised for it.
>>>>
>>>
>>> This doesn't seem to be a problem for us on F14 usually, although things
>>> did go a bit odd after the kde 4.5.x to 4.6 update until we logged out
>>> and in again.
>>>
>>> Roderick
>>
>> A post on Fedora-users (poc, 28/06/11 17:22) drew my attention to
>> needs-restarting, which is part of the yum-utils package.
>>
>> [John at localhost ~]$ needs-restarting --help
>> Usage:
>>       needs-restarting: Report a list of process ids of programs that
>> started running before they or some component they use were updated.
>>
>> Options:
>>     -h, --help      show this help message and exit
>>     -u, --useronly  show processes for my userid only
>> [John at localhost ~]$
>>
>> Null output suggests that all should be ok.
>>
>> I haven't used this because I thought it might be yum-specific, and I
>> normally use smart, but this --help info makes it look depsolver agnostic.
>
> It has nothing to do with yum, or indeed with depsolvers of any sort. It
> just looks at the actual running binary and checks the file(s) it came
> from. Which is pretty cool IMHO. The code is a page or two of Python and
> is very educational to read.
>
> poc
>
I looked at it and had my doubts; the script includes what looked to me 
like a reference to the yum cache but I didn't work out how essential 
this is to its operation.  And I suppose it's best run as root?

John P