> To switch off sendmail edit your local-cfg.h file and add line
>
> DELETE(chkconfig.services,sendmail)
You should be able to nail kudzu in the same manner...?
> We should come with a better way to handle local modifications to rpm
> lists, in the style of what we do with the configuration
> files.
Indeed - we want to drop in various local bits and pieces too.
Martin.
--
-------------------------------------------------------
Martin Bly | +44 1235 446981 | [log in to unmask]
Systems Admin, Tier 1/A Service, RAL PPD CSG
-------------------------------------------------------
> -----Original Message-----
> From: Emanuele Leonardi [mailto:[log in to unmask]]
> Sent: Friday, August 01, 2003 2:13 AM
> To: [log in to unmask]
> Subject: Re: Questions on installation
>
>
> Hi Joe.
>
> I'll try answering some of your questions.
>
> On Thu, 31 Jul 2003, Joe Kaiser wrote:
>
> > Hi,
> >
> > I am installing LCG nodes and I have a few questions:
> >
> > 1. Will there be a boot kernel that can support serial console
> > installations in the next interation of LCG1? The 2.2.19
> does support
> > it but the 2.4.18*cern* one does not. I would really like
> to be able to
> > do this without attaching a monitor to the back of my machines.
>
> I have been trying for a while to use a kernel which is able to send
> output to the serial console already during the install
> phase, i.e. before
> the first reboot, but have not find a good way to do it yet. For the
> initial installation we are using kernel 2.4.18-18.7.x.cern
> which, as you
> say, is not able to send the output to the console, at least
> not with the
> recipe given in the PXE documentation. After the first
> reboot, the kernel in
> use is 2.4.20-18.7 and this is able to do it. A try might be to use
> version 2.4.20-18.7 also for the initial PXE installation:
> I'll do it when
> I am back at CERN as it requires modifications to the PXE
> initial files
> and walks to the computer center in case of problems :(
>
> > 2. How do I get serial console to work for all nodes? I have the
> > lcfg-init and edg-securetty rpms in lcfg-server|client-rpm being
> > installed but when the node boots up neither the inittab or the
> > /etc/securetty field have been updated. And kudzu starts
> and wants to
> > install ttyS0 for me. Is there something else that I am missing?
>
> You also need to include the serialconsole-cfg.h file in the
> configuration
> of your nodes. This will add:
> - redirection of grub to the serial console
> - configuration of the inittab to send a terminal to the
> serial line with
> the init object
> - the addition of the right entries to securetty with the
> securetty object
>
> Please let me know if it works out of the box for you or if
> you have to do
> some modifications.
>
> > 3. I also want to shut off some services. I don't want
> kudzu, lpd, or
> > sendmail running. What is the best way to make sure these
> do not get
> > turned on during installation?
>
> In the past the best way to shut off kudzu was to remove it from the
> rh73-release-rpm.h rpm list. Now lcfg-fstab requires it, even
> if I do not
> know why (gave a short look to the fstab object but could not
> really find
> usage of kudzu there). I leave it there and accept the 30
> secs extra wait
> every time I boot the nodes. Does it give you other undesired side
> effects?
>
> lpd and sendmail startup is controlled by the chkconfig
> object. With our
> set of configuration files I get the following list of
> services started by
> chkconfig:
>
> services=keytable syslog crond netfs network random sshd
> nfslock sendmail
> portmap xinetd apmd gpm atd fmonagent gk mds gridftp nfs nfslock
>
> lpd is not there and, indeed, it is not started. Is it started on your
> nodes?
>
> To switch off sendmail edit your local-cfg.h file and add line
>
> DELETE(chkconfig.services,sendmail)
>
> Repeat for lpd if needed...
>
> > 4. I need to substitute the current openssh packages with the fermi
> > kerberized openssh packages. How do I go about doing that?
>
> I just checked: no other packages currently depend on the
> openssh version
> we are using. You should be able to just go to the rh73-updates-rpm.h
> file and replace
>
> openssh-askpass-3.1p1-6
> openssh-server-3.1p1-6
> openssh-clients-3.1p1-6
> openssh-3.1p1-6
>
> with the equivalent packages from the kerberized openssh version. Of
> course, modifying the rh73-updates-rpm.h means that you will
> have to keep
> in mind this modification and do the same if this rpm list
> gets updated.
> We should come with a better way to handle local modifications to rpm
> lists, in the style of what we do with the configuration
> files. I have a
> couple of ideas: I'll post a message later about them so that we can
> discuss the issue.
>
> > That's all for now.
> >
> > Thanks,
> >
> > Joe
> >
> > --
> > ===================================================================
> > Joe Kaiser - Systems Administrator
> >
> > Fermi Lab
> > CD/OSS-SCS Never laugh at live dragons.
> > 630-840-6444
> > [log in to unmask]
> > ===================================================================
> >
>
> --
> /------------------- Emanuele Leonardi -------------------\
> | eMail: [log in to unmask] - Tel.: +41-22-7674066 |
> | IT division - Bat.31 2-012 - CERN - CH-1211 Geneva 23 |
> \---------------------------------------------------------/
>
|