Annotation of doc/build/upgrade.html, revision 1.2

1.1       harris41    1: <HTML>
                      2: <HEAD>
                      3: <TITLE>LON-CAPA Upgrade</TITLE>
                      4: </HEAD>
                      5: <BODY>
                      6: <H1>LON-CAPA Upgrade</H1>
                      7: <H3>Current Upgrade Procedure (Almost)</H3>
                      8: <P>
                      9: LON-CAPA system releases currently are not released under version
                     10: numbers given the fast pace of system development.  To upgrade your
                     11: system, you need to 
                     12: <OL>
1.2     ! harris41   13: <LI>Make sure your software packages are up-to-date (based on install.lon-capa.org).
1.1       harris41   14: <UL>
1.2     ! harris41   15: <LI>As root, run the script <A HREF="http://install.lon-capa.org/verify/scripts/loncapaverifypackages">
1.1       harris41   16: loncapaverifypackages</A>.  This script should be present on your system in the file
                     17: /usr/sbin/loncapaverifypackages.  If packages are out-of-date, this script will output
                     18: the out-of-date packages.  Packages that this script identifies as "should not be here",
                     19: are packages that you may wish to remove to improve system security.  (These packages
                     20: may represent important modifications of your institution, so do with care.  Removing
                     21: packages is done with the command: <TT>rpm -e --nodeps PACKAGE_NAME</TT>.
                     22: </UL>
                     23: <LI>Upgrade old software packages.
                     24: <UL>
                     25: <LI>Upgrade software packages by either
                     26: <UL>
                     27: <LI>Running /usr/sbin/<A HREF="http://www.lon-capa.org/install/verify/scripts/loncapaupgradepackages">loncapaupgradepackages</A>.
                     28: <LI>Or, going to <A HREF="http://www.lon-capa.org/install/RPMS/">http://www.lon-capa.org/install/RPMS/</A>,
                     29: you can individual download each package from the world-wide web.  You then need to enter the command:
                     30: <TT>rpm -Uvh --force PACKAGE_RPM_FILE_NAME</TT> to upgrade your system.
                     31: </UL>
                     32: </UL>
                     33: <LI>Restore configuration files.
                     34: <UL>
                     35: <LI>As you run /usr/sbin/loncapaupgradepackages or enter in <TT>rpm -Uvh --force</TT> commands, you may
                     36: see messages appear on your screen such as:
                     37: <BR><TT>warning: /etc/httpd/conf/access.conf saved as /etc/httpd/conf/access.conf.rpmsave</TT>
                     38: <BR>You can probably just type in commands like:
                     39: <BR><TT>cp /etc/httpd/conf/access.conf.rpmsave /etc/httpd/conf/access.conf</TT>
                     40: <BR>to restore your configurations.  However, it is worthwhile to use the 'diff' command
                     41: to make sure that you are not accidentally losing important updates to the configuration
                     42: files.  
                     43: <LI>Alternatively, you can run /usr/sbin/<A HREF="http://www.lon-capa.org/install/verify/scripts/loncaparestoreconfigurations">loncaparestoreconfigurations</A> to "smartly" run through the system and restore LON-CAPA configuration values.
                     44: </UL>
                     45: <LI>Should you wish to automate all of this, you can (at your own risk) enable a script which will
                     46: do all of this automatically.  <B>This definitely should NOT be implemented on a system that students
                     47: are using)</B>.  You can enable this script by entering the command:
                     48: <TT>cp /usr/sbin/<A HREF="http://www.lon-capa.org/install/verify/scripts/loncapaautoupgrade">loncapaautoupgrade</A> /etc/cron.daily/loncapaautoupgrade</TT>
                     49: </OL>
                     50: </P>
                     51: <H3>Future Upgrade Procedure (not yet implemented)</H3>
                     52: <P>
                     53: In the future, LON-CAPA will be a versioned system that is released via CD.
                     54: The upgrade procedure will be to insert the CD and follow instructions.  The CD
                     55: upgrade procedure is already defined and somewhat implemented, but awaits
                     56: completion.
                     57: </P>
                     58: </BODY>
                     59: </HTML>

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