TWiki> LinuxSupport Web>UnifiedKerberos>TestingAndRollout>AcrontabScriptChanges (2010-07-28, PeterJones) EditAttachPDF

Changes to the Acrontab Perl Scripts

These changes will be put in place in the next few weeks. Please contact me if you have any concerns about them

File to Change Other files involved Description of Change Reason for Change Date of Change
/afs/usr/local/bin/acrontab /p/perlmodules/CAtools, /p/afs/etc/afsconf.pl Calls modified _cron_select routine which returns either the afsdbX acron servers or the lxkerbX acron server frontends. This will depend on the current Kerberos configuration of the client To enable cliens with the migration rpm installed to register, delete and list acron jobs 02.10
acron.arc /p/perlmodules/Heimtools.pm Acron node calls new _read_ans routine in Heimtools.pm. Uses the additional TGT flavour flag and information about it's own Kerberos configuration to select a Kerberos configuration that will work with the TGT acquired from the acronserver. To enable a migrated node with any Kerberos configuration to execute jobs using a TGT created in either Kerberos realms. 02.10
/afs/usr/local/acron.acl N/A Add the lxkerbX machines as valid acronservers to this file. Enables the acron nodes to make use of the lxkerbX frontends if needed 02.10
(administrator) acrontab N/A Modify to accept 'upper case E' and corrosponding data in a single line, without requiring the involvment of a text editor. Enables the frontend to forward AD user's acron -e requests onto the afsdbX acronservers using a powerful principal 11.09 (Complete)
/usr/sue/lib/arc/crontab.arc on lxkerbX servers N/A Frontend to the acronservers. Forwards all AD acron client requests onto real servers, under the identity of a powerful Heimdal principal and using the modified administrator acrontab client. To remove the requirement for AD hostkeys to be installed on the afsdbX machines, whilst still providing the acron service to Windows clients and keeping cron tabs consistent. 12.09 (Complete)
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Topic revision: r2 - 2010-07-28 - PeterJones
 
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