https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121871#M84627 Fri, 16 Sep 2022 10:08:25 GMT zangyongzhen 2022-09-16T10:08:25Z https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121871#M84627 Fri, 16 Sep 2022 10:08:25 GMT https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121871#M84627 zangyongzhen 2022-09-16T10:08:25Z https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121872#M84628 <P>That's easy, if you are on CentOS/RHEL</P><PRE>yum remove ambari-agent ... make sure it's gone: yum list ambari-agent yum install ambari-agent</PRE><P>Before removal save the config file if needed, it's in /etc/ambari-agent/conf/ambari-agent.ini. By the way, you can upgrade it by "yum upgrade" after providing a new repo file in /etc/yum.repos.d</P> Fri, 11 Mar 2016 10:14:42 GMT https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121872#M84628 pminovic 2016-03-11T10:14:42Z https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121873#M84629 <P>There are already some service on that node before reinstall the agent,is that OK?</P> Fri, 11 Mar 2016 10:57:30 GMT https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121873#M84629 zangyongzhen 2016-03-11T10:57:30Z https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121874#M84630 <P>Usually no problems, provided port 8670 is available for the agent to listen to, and iptables or a firewall etc is not blocking the agent to connect to Ambari server on ports 8080, 8440 and 8441. Also need Python-2.6.x.</P> Fri, 11 Mar 2016 11:05:02 GMT https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121874#M84630 pminovic 2016-03-11T11:05:02Z https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121875#M84631 <P>Ths,i'll have a try</P> Fri, 11 Mar 2016 12:06:22 GMT https://community.cloudera.com/t5/Support-Questions/How-to-reinstall-an-ambari-agent-in-HDP-cluster/m-p/121875#M84631 zangyongzhen 2016-03-11T12:06:22Z