[LON-CAPA-admin] Upgrading server hardware

[Lars]

Hi Stuart,

Thanks for that explanation and the explanation about the mysql
password. ntpd turned out to have been correctly started at boot by
the install.pl script.

Another thing is that I noticed that we received a warning that
loncontrol should be running on runlevel 4. Currently it is on at
runlevel 3 but off at runlevel 4. Should I set it to on at runlevel 4
also?

Lars.

On Sun, May 22, 2016 at 6:33 PM, Stuart Raeburn <raeburn at msu.edu> wrote:
> Lars,
>
> When you install the LONCAPA-prerequisites rpm that will install the ntp
> package.
>
> When you run install.pl to prepare a server/VM for LON-CAPA, and answer Y to
> the option: "Set overrides for start-up order of services?" that will set
> ntp to start on boot. (In loncapa_install.log you'll find the line:
> "Runlevel update command run: systemctl enable ntpd.service" if you answered
> Y for that option when running install.pl on CentOS 7.
>
> When you run ./UPDATE to install LON-CAPA, one of the post-install actions
> is for Make to parse the ntpcheck.piml script to check whether ntp is
> running. If it is detected that it is not running, the following is written
> to the WARNINGS file:
>
> WARNING: ntp is installed but is not currently running.
> Please verify the configuration of ntp in /etc/ntp.conf and
> /etc/ntp/step-tickers
> Start ntp by executing
> systemctl start ntpd.service
>
> However, apparently Redhat7/CentOS 7/Scientific Linux 7 all need a small
> modification to ntpcheck.piml so that the check operates as intended.
> ntpcheck.piml rev. 1.27 includes the required change.
>
> wget -O ntpcheck.piml
> ;http://source.loncapa.org/cgi-bin/cvsweb.cgi/~checkout~/doc/loncapafiles/ntpcheck.piml?rev=1.27;content-type=text%2Fplain'
>
> will retrieve that version (which will be in LON-CAPA 2.11.2).
>
> Regardless of that, LON-CAPA's install.pl script will have set the ntp
> service to start on reboot, if you chose to "Set overrides for start-up
> order of services".
>
>
> Stuart Raeburn
> LON-CAPA Academic Consortium
>
>
> Quoting Lars <ljensen at tmcc.edu>:
>
>> By the way, does lon-capa keep server time synchronized? Or do I need
>> to take care of this?
>>
>> Thanks,
>> Lars.
>>
>> On Tue, May 17, 2016 at 3:40 PM, Lars <ljensen at tmcc.edu> wrote:
>>>
>>> Thanks Stuart. You were right on the money. All I had to do was to
>>> install the perl-LDAP module, and everything started right up. What is
>>> the deal with the mysql/mariadb admin password. Is it ever needed? I
>>> have forgotten it and I don't remember ever using it on my old server.
>>> And apparently it wasn't needed for loncapa to gain access the
>>> database once it was copied over to the new server, because everything
>>> on the new system seems normal.
>>>
>>> Lars.
>
>
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