cbd logs - which also takes a container name argument. This way one can aggregate logs across every container (default) or choose which ones to follow. cbd doctor doctor container logs ... View more

Which user is ambari running under? ps aux | grep ambari-server rpm -qa | grep ambari Try the following steps: On the master node ambari-server stop ambari-server reset ambari-agent stop yum erase ambari-server rm -rf /var/lib/ambari-server rm -rf /var/run/ambari-server rm -rf /usr/lib/ambari-server rm -rf /etc/ambari-server rm -rf /var/log/ambari-server rm -rf /usr/lib/python2.6/site-packages/ambari* Reinstall Ambari server yum install ambari-server ambari-server start On each worker node: ambari-agent stop yum erase ambari-agent rm -rf /var/lib/ambari-agent rm -rf /var/run/ambari-agent rm -rf /usr/lib/amrbari-agent rm -rf /etc/ambari-agent rm -rf /var/log/ambari-agent rm -rf /usr/lib/python2.6/site-packages/ambari* Then try re-running the install of Ambari Agent yum install ambari-agent vi /etc/ambari-agent/conf/ambari-agent.ini #Change hostname to Ambari Server ambari-agent start ——————————————— - check logs /var/log/ambari-agent/ambari-agent.log /var/log/ambari-server/ambari-server.log before starting the cluster install, see if the hosts have actually registered themselves (if doing it by updating ambari-agent.ini) ————————— Troubleshooting You can start ambari in debug mode to get more detailed aoutput via: ambari-server start --verbose --debug # or for short ambari-server start -v -g Significant files/directories: /var/log/ambari-server/ambari-server.log (for ambari server) /var/log/ambari-agent/ambari-agent.log (for ambari agens) /var/lib/ambari-agent/data/ (server action output) SQL scripts to initialize psql DB /var/lib/ambari-server/resources/ Uninstall Postgres and move the redundant Ambari database file out of the way yum remove postgres* userdel -fr postgress mv /var/lib/pgsql /var/lib/old.pgsql ... View more