Installation Guide

To install the Dynamic Federations packages, use the repositories mentioned here, then:

yum install ugr ugr-dav-plugin ugr-dmlite-plugin lcgdm-dav-server httpd memcached neon GeoIP
gunzip GeoLiteCity.dat.gz
mv GeoLiteCity.dat /usr/share/GeoIP/

UGR Configuration

Edit /etc/ugr.conf and comment this entry:

## Talk to a DPM instance at CERN via WebDAV
#glb.locplugin[]: /usr/lib64/ugr/ dav_plugin_dpm 30
#locplugin.dav_plugin_dpm.ssl_check: false
#locplugin.dav_plugin_dpm.cli_certificate: /etc/grid-security/federation-host-nopwd.p12

glb.locplugin[]: /usr/lib64/ugr/ e10_babar 30 dav://
locplugin.e10_babar.ssl_check: false
locplugin.e10_babar.auth_login: xxxxxxxx
locplugin.e10_babar.auth_passwd: yyyyyyyy

glb.locplugin[]: /usr/lib64/ugr/ e08_atlas 30 dav://
locplugin.e08_atlas.ssl_check: false
locplugin.e08_atlas.auth_login: xxxxxxxx
locplugin.e08_atlas.auth_passwd: yyyyyyyy

Apache Configuration

rm /etc/httpd/conf.d/zlcgdm-dav.conf

Edit /etc/httpd/conf.d/ssl.conf and add this line at the end of file:

NameVirtualHost *:443

For good performance results, Apache should use the mpm_event module, tuned to have max 2-4 slave Apache processes, each one with the maximum number of threads that Apache can start and work with.

Host Certificates

Request a host certificate and install hostcert.pem and hostkey.pem in /etc/grid-security . Also Install CAs.

Also install fetch-crl:

  • Install the latest v3 RPM from
  • Apply the following settings in /etc/fetch-crl.conf:
    verbosity = 1
  • /sbin/chkconfig fetch-crl-boot on
  • /sbin/chkconfig fetch-crl-cron on
  • /etc/init.d/fetch-crl-cron start


The log level can be set in /etc/ugr.conf, from level 1 to 9.
glb.debug: 1


Do service httpd restart; service rsyslog restart, then test the system. Connect with a browser to http://servername/myfed You should be able to browse the WebDav resource specified in /etc/ugr.conf .

-- RyanTaylor - 2013-10-31

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Topic revision: r2 - 2013-11-18 - crlb
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