Sam Gleske on 1 Jul 2013 12:05:54 -0700


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Re: [PLUG] Ubuntu Debian updates/ rebooting question


I'm more of a RHEL user on servers but here's my 2c.

In addition to what others have stated (kernel and dbus) I've found that glibc usually requires a reboot as well since so many things depend on it.

Here's a good tip for what services need to be restarted after a non-reboot update....

https://github.com/sag47/drexel-university/blob/master/bin/wasted-ram-updates.py

I use that to determine which services must be bounced.  You should read the full comment doc at the top of the script to understand its intended purpose.  I would also recommend reviewing the source code so that you understand in more detail exactly what the script is doing.

It can be noted that a lot of times you can use a combination of "lsof | grep deleted" and the "cat /proc/PID/cmdline" or "cat /proc/PID/comm" file to determine that without using the script.  The script definitely makes it easier though.

SAM


On Thu, Jun 27, 2013 at 2:41 PM, Andrew Libby <alibby@xforty.com> wrote:


Good thoughts and Info, thanks Chad.

Andy

On 6/27/13 1:17 PM, Chad Waters wrote:
> The Ubuntu Security Announce list details what requires a
> reboot:
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce
>
> kernel:
> http://www.ubuntu.com/usn/usn-1878-1/
>
> dbus:
> http://www.ubuntu.com/usn/usn-1874-1/
>
> Its should be more than what requires a reboot though: what
> package upgrades are going to affect the applications and
> services that run on a specific machine? I don't think you
> can script that.
>
> These packages might be of interest:
> apt-listchanges
> apt-listbugs (I think this is in the ubuntu repos(?), I'm a
> more of a Debian user)
>
>
>
> On Thu, Jun 27, 2013 at 11:24 AM, Andrew Libby
> <alibby@xforty.com <mailto:alibby@xforty.com>> wrote:
>
>
>     Hi Folks,
>
>     I manage a number of ubuntu systems for customers.  We apply
>     updates, review logs, deal with incidents, yadda yadda.
>
>     So when informing a customer that we're going to apply some
>     updates, I'd like to be able to tell them ahead of time
>     if the updates will require a reboot.  I'm hoping I'm
>     missing something simple, but it does not seem straight
>     forward.
>
>     Here's what I've come up with:
>
>     sudo apt-get update
>     sudo apt-get --download-only upgrade
>
>     For each of the packages listed under
>
>     "The following packages will be upgraded:"
>
>     dpkg-deb --control package-name
>
>     grep -rn notify-reboot-required DEBIAN
>
>     Essentially, if anything in the control area
>     of the package contains notify-reboot-required, it's
>     likely to touch /var/run/reboot-required.
>
>     Their an easier method to tell ahead of time that anyone
>     knows?
>
>     Thanks,
>
>     Andy
>
>     --
>
>     Andrew Libby
>     xforty technologies
>     http://xforty.com
>     alibby@xforty.com <mailto:alibby@xforty.com>
>
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>
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--

Andrew Libby
xforty technologies
http://xforty.com
alibby@xforty.com
484-887-7505 x 1115

___________________________________________________________________________
Philadelphia Linux Users Group         --        http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug

___________________________________________________________________________
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Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug