[LON-CAPA-admin] Upgrading server hardware

Stuart Raeburn raeburn at msu.edu
Tue May 17 17:50:34 EDT 2016


If lond will not start I would recommend looking in  
/home/httpd/perl/logs/lond_errors for error messages.

You would see an error here if you had customized  
/home/httpd/lib/perl/localenroll.pm such that it now includes  
dependencies on perl modules not present in the standard  
LONCAPA-prerequisites list, and you have not yet installed the  
module(s) on the new CentOS 7 instance (whereas the module(s) is/are  
present on the original CentOS 5 instance).

Given that lonsql also has a call to use  
/home/httpd/lib/perl/localenroll.pm the fact that lonsql also failed  
to start would support the idea that you have a customized  
localenroll.pm with unmet dependencies.  I would recommend looking in  
/home/httpd/perl/logs/lonsql_errors for error messages also.

As regards mysql/mariadb you would have set a mysql root password when  
you ran ./install.pl to prepare the new (CentOS 7) server for  
LON-CAPA, i.e., the "Retrieve and execute LON-CAPA setup program"  
action in step 5 of the standard LON-CAPA installation on CentOS 7

( http://install.loncapa.org/centos7_install.html )

so I doubt that is the issue here.

Stuart Raeburn
LON-CAPA Academic Consortium

Quoting Lars <ljensen at tmcc.edu>:

> Hi everyone,
> So we did the upgrade and everything went smoothly up to the point
> where I copied over the old /home/httpd directory. Before I did this
> loncapa started up without errors. However after copying over /home,
> lonsql and lond won't start. I suspect it is because I have forgotten
> the old mysql root password, and it differs from the new mariadb root
> password that I set when installing loncapa on the new server....
> Is there any way to fix this?
> Thanks for any help,
> Lars.
> On Mon, May 16, 2016 at 11:34 AM, Lars <ljensen at tmcc.edu> wrote:
>> Hi everyone,
>> We're currently running loncapa w/ CentOS 5 on an older server, and
>> we're planning to upgrade the hardware and also upgrade to CentOS 7 at
>> the same time. Is there more to it than moving /home over to the new
>> server and following the instructions from install.lon-capa.org for
>> CentOS 7? If so, are there instructions ?
>> Thanks,
>> Lars.
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