Robert Heller wrote:
> At Thu, 09 Apr 2009 07:49:30 -0400 CentOS mailing list <centos@xxxxxxxxxx> wrote:
>
>> What is the rule of thumb for reboots after updates...
>>
>> Certainly if I update from 5.2 to 5.3 I reboot.
>>
>> But if you update something like krb5 or pam
>> does that require a reboot? Does the "fix" get automatically loaded and used
>> or do you just do a reboot always?
>
> You only *really* need to reboot if/when you update the kernel. Yum/RPM
> takes care of restarting daemons, etc. during the update process. This
> is NOT MS-Windows....
Yes, but any program that is already running will keep using the old
versions of the program, libraries, open files, etc., retaining the disk
space and not sharing the in-memory copy with new instances that start
after the update. And since modern programs like to dynamically load
library modules as needed while running you can get a strange mix of
old/new versions running at once.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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