# ambari-server update-host-names host_names_changes.json Using python /usr/bin/python Updating host names Please, confirm Ambari services are stopped [y/n] (n)? y Please, confirm there are no pending commands on cluster [y/n] (n)? y Please, confirm you have made backup of the Ambari db [y/n] (n)? y ERROR: Error executing update host names, please check the server logs. ERROR: Exiting with exit code 1. REASON: Host names update failed. Host name change failed using this method. ... View more

referencing your first link.... seems outdated from UI ....there is no Ambari Web ...Background Services as far as I can tell it is done with Host menu Actionshost-rename-issue1.pdf.... I cannot stop components, see attached. ... View more

ambari-db-admin.pngIs there a default passwd for ambari sql? we use backend postgre but I do nto know what the passwd is for the DB. ... View more

abandoning this effort. was not getting anywhere as I think the ldaps in corp.example.com and machein hostname setup was causing all my issues., it is not a preferred setup anyhow I needed to correct so i renamed all cluster membre with corp.... ... View more

problem seems to be with this two-hosted DNS domain.....what if instead of using the ambari.example.com we use the corp.example.com all around with other hosts... so change their fqdn to ambari.corp.example.com, cpmpute1.corp.example.com I feel like spinning wheels trying to get it to work wiht short name, ... View more

ok I may have to break for the day. I am getting like 10 capcha tests to verify with every post 😞 ... View more

will try to send again , seems not to have worked last time.... hosts4 i verified output fist in browser. forgot about the ssl , my bad..hosts4.json ... View more

forgot about SSL, my bad... OK I get output in browser test , here is the file from that. hosts4.json ... View more

another host3.json hosts3.json ... View more

Hi Jay, thansk for help , uncertain what asked last , want this output again? attached.hosts-2.json ... View more

yes I did the import to trust store fine. just does not work. ... View more

Hi Jay ,, sorry, but all 3 hostname command return same ambari.example.com ... View more

I sort of expected to see the ambari server listed in Hosts....no-ambari-in-hosts.png incorect assumption? anyhow I suppose does nto matter since you said is not needed to enable kerberos. we can put this to bed if you like ,thanks! ... View more

Actually I cannot find the ambari agent on the ambari server host. the log I showed is from another member server, So just to backup a se. when I try to enable the kerberos... I get the hostname fail as the first error , this happens on the ambari server it says.... this is what led me to the conclusion that I need to add the ambari server tot he cluster which is why I opened that other question. maybe this pic will helphorton-err-obfu-1.pdf ... View more

Hello Jay log file from compute1 INFO 2019-02-05 16:14:41,688 security.py:135 - Event to server at /reports/host_status (correlation_id=74643): {'agentEnv': {'transparentHugePage': 'madvise', 'hostHealth': {'agentTimeStampAtReporting': 1549412081679, 'liveServices': [{'status': 'Healthy', 'name': 'ntp or chrony', 'desc': ''}]}, 'reverseLookup': True, 'umask': '18', 'hasUnlimitedJcePolicy': True, 'alternatives': [], 'firewallName': 'ufw', 'stackFoldersAndFiles': [], 'existingUsers': [], 'firewallRunning': False}, 'mounts': [{'available': '5028752436', 'used': '28126224', 'percent': '1%', 'device': '/dev/sda2', 'mountpoint': '/', 'type': 'ext4', 'size': '5325330344'}]} INFO 2019-02-05 16:14:41,690 __init__.py:82 - Event from server at /user/ (correlation_id=74643): {u'status': u'OK'} INFO 2019-02-05 16:14:50,711 security.py:135 - Event to server at /heartbeat (correlation_id=74644): {'id': 59869} INFO 2019-02-05 16:14:50,713 __init__.py:82 - Event from server at /user/ (correlation_id=74644): {u'status': u'OK', u'id': 59870} INFO 2019-02-05 16:15:00,715 security.py:135 - Event to server at /heartbeat (correlation_id=74645): {'id': 59870} INFO 2019-02-05 16:15:00,718 __init__.py:82 - Event from server at /user/ (correlation_id=74645): {u'status': u'OK', u'id': 59871} INFO 2019-02-05 16:15:10,719 security.py:135 - Event to server at /heartbeat (correlation_id=74646): {'id': 59871} INFO 2019-02-05 16:15:10,724 __init__.py:82 - Event from server at /user/ (correlation_id=74646): {u'status': u'OK', u'id': 59872} INFO 2019-02-05 16:15:20,729 security.py:135 - Event to server at /heartbeat (correlation_id=74647): {'id': 59872} INFO 2019-02-05 16:15:20,731 __init__.py:82 - Event from server at /user/ (correlation_id=74647): {u'status': u'OK', u'id': 59873} INFO 2019-02-05 16:15:30,733 security.py:135 - Event to server at /heartbeat (correlation_id=74648): {'id': 59873} INFO 2019-02-05 16:15:30,734 __init__.py:82 - Event from server at /user/ (correlation_id=74648): {u'status': u'OK', u'id': 59874} INFO 2019-02-05 16:15:40,735 security.py:135 - Event to server at /heartbeat (correlation_id=74649): {'id': 59874} INFO 2019-02-05 16:15:40,736 __init__.py:82 - Event from server at /user/ (correlation_id=74649): {u'status': u'OK', u'id': 59875} INFO 2019-02-05 16:15:41,938 Hardware.py:188 - Some mount points were ignored: /dev, /run, /dev/shm, /run/lock, /sys/fs/cgroup, /snap/core/6130, /run/user/1003, /snap/core/6259, /snap/core/6350, /run/user/1008, /run/user/1019, /run/user/1013, /run/user/1021, /run/user/1015, /run/user/1023, /run/user/0 INFO 2019-02-05 16:15:41,938 security.py:135 - Event to server at /reports/host_status (correlation_id=74650): {'agentEnv': {'transparentHugePage': 'madvise', 'hostHealth': {'agentTimeStampAtReporting': 1549412141929, 'liveServices': [{'status': 'Healthy', 'name': 'ntp or chrony', 'desc': ''}]}, 'reverseLookup': True, 'umask': '18', 'hasUnlimitedJcePolicy': True, 'alternatives': [], 'firewallName': 'ufw', 'stackFoldersAndFiles': [], 'existingUsers': [], 'firewallRunning': False}, 'mounts': [{'available': '5028752424', 'used': '28126236', 'percent': '1%', 'device': '/dev/sda2', 'mountpoint': '/', 'type': 'ext4', 'size': '5325330344'}]} INFO 2019-02-05 16:15:41,940 __init__.py:82 - Event from server at /user/ (correlation_id=74650): {u'status': u'OK'} INFO 2019-02-05 16:15:50,737 security.py:135 - Event to server at /heartbeat (correlation_id=74651): {'id': 59875} INFO 2019-02-05 16:15:50,738 __init__.py:82 - Event from server at /user/ (correlation_id=74651): {u'status': u'OK', u'id': 59876} INFO 2019-02-05 16:16:00,739 security.py:135 - Event to server at /heartbeat (correlation_id=74652): {'id': 59876} INFO 2019-02-05 16:16:00,740 __init__.py:82 - Event from server at /user/ (correlation_id=74652): {u'status': u'OK', u'id': 59877} INFO 2019-02-05 16:16:08,628 security.py:135 - Event to server at /reports/alerts_status (correlation_id=74653): [{'name': u'datanode_storage', 'timestamp': 1549412167525L, 'clusterId': '2', 'definitionId': 19, 'state': 'OK', 'text': '...'}, {'name': u'datanode_heap_usage', 'timestamp': 1549412167519L, 'clusterId': '2', 'definitionId': 10, 'state': 'OK', 'text': '...'}] INFO 2019-02-05 16:16:08,630 __init__.py:82 - Event from server at /user/ (correlation_id=74653): {u'status': u'OK'} INFO 2019-02-05 16:16:10,743 security.py:135 - Event to server at /heartbeat (correlation_id=74654): {'id': 59877} INFO 2019-02-05 16:16:10,744 __init__.py:82 - Event from server at /user/ (correlation_id=74654): {u'status': u'OK', u'id': 59878} INFO 2019-02-05 16:16:20,745 security.py:135 - Event to server at /heartbeat (correlation_id=74655): {'id': 59878} INFO 2019-02-05 16:16:20,746 __init__.py:82 - Event from server at /user/ (correlation_id=74655): {u'status': u'OK', u'id': 59879} INFO 2019-02-05 16:16:30,747 security.py:135 - Event to server at /heartbeat (correlation_id=74656): {'id': 59879} INFO 2019-02-05 16:16:30,748 __init__.py:82 - Event from server at /user/ (correlation_id=74656): {u'status': u'OK', u'id': 59880} INFO 2019-02-05 16:16:40,751 security.py:135 - Event to server at /heartbeat (correlation_id=74657): {'id': 59880} INFO 2019-02-05 16:16:40,752 __init__.py:82 - Event from server at /user/ (correlation_id=74657): {u'status': u'OK', u'id': 59881} INFO 2019-02-05 16:16:42,184 Hardware.py:188 - Some mount points were ignored: /dev, /run, /dev/shm, /run/lock, /sys/fs/cgroup, /snap/core/6130, /run/user/1003, /snap/core/6259, /snap/core/6350, /run/user/1008, /run/user/1019, /run/user/1013, /run/user/1021, /run/user/1015, /run/user/1023, /run/user/0 INFO 2019-02-05 16:16:42,184 security.py:135 - Event to server at /reports/host_status (correlation_id=74658): {'agentEnv': {'transparentHugePage': 'madvise', 'hostHealth': {'agentTimeStampAtReporting': 1549412202175, 'liveServices': [{'status': 'Healthy', 'name': 'ntp or chrony', 'desc': ''}]}, 'reverseLookup': True, 'umask': '18', 'hasUnlimitedJcePolicy': True, 'alternatives': [], 'firewallName': 'ufw', 'stackFoldersAndFiles': [], 'existingUsers': [], 'firewallRunning': False}, 'mounts': [{'available': '5028752404', 'used': '28126256', 'percent': '1%', 'device': '/dev/sda2', 'mountpoint': '/', 'type': 'ext4', 'size': '5325330344'}]} INFO 2019-02-05 16:16:42,186 __init__.py:82 - Event from server at /user/ (correlation_id=74658): {u'status': u'OK'} INFO 2019-02-05 16:16:50,753 security.py:135 - Event to server at /heartbeat (correlation_id=74659): {'id': 59881} INFO 2019-02-05 16:16:50,755 __init__.py:82 - Event from server at /user/ (correlation_id=74659): {u'status': u'OK', u'id': 59882} INFO 2019-02-05 16:17:00,757 security.py:135 - Event to server at /heartbeat (correlation_id=74660): {'id': 59882} INFO 2019-02-05 16:17:00,758 __init__.py:82 - Event from server at /user/ (correlation_id=74660): {u'status': u'OK', u'id': 59883} INFO 2019-02-05 16:17:10,759 security.py:135 - Event to server at /heartbeat (correlation_id=74661): {'id': 59883} INFO 2019-02-05 16:17:10,761 __init__.py:82 - Event from server at /user/ (correlation_id=74661): {u'status': u'OK', u'id': 59884} INFO 2019-02-05 16:17:20,763 security.py:135 - Event to server at /heartbeat (correlation_id=74662): {'id': 59884} INFO 2019-02-05 16:17:20,765 __init__.py:82 - Event from server at /user/ (correlation_id=74662): {u'status': u'OK', u'id': 59885} INFO 2019-02-05 16:17:30,767 security.py:135 - Event to server at /heartbeat (correlation_id=74663): {'id': 59885} INFO 2019-02-05 16:17:30,769 __init__.py:82 - Event from server at /user/ (correlation_id=74663): {u'status': u'OK', u'id': 59886} INFO 2019-02-05 16:17:40,769 security.py:135 - Event to server at /heartbeat (correlation_id=74664): {'id': 59886} INFO 2019-02-05 16:17:40,771 __init__.py:82 - Event from server at /user/ (correlation_id=74664): {u'status': u'OK', u'id': 59887} INFO 2019-02-05 16:17:42,427 Hardware.py:188 - Some mount points were ignored: /dev, /run, /dev/shm, /run/lock, /sys/fs/cgroup, /snap/core/6130, /run/user/1003, /snap/core/6259, /snap/core/6350, /run/user/1008, /run/user/1019, /run/user/1013, /run/user/1021, /run/user/1015, /run/user/1023, /run/user/0 INFO 2019-02-05 16:17:42,427 security.py:135 - Event to server at /reports/host_status (correlation_id=74665): {'agentEnv': {'transparentHugePage': 'madvise', 'hostHealth': {'agentTimeStampAtReporting': 1549412262418, 'liveServices': [{'status': 'Healthy', 'name': 'ntp or chrony', 'desc': ''}]}, 'reverseLookup': True, 'umask': '18', 'hasUnlimitedJcePolicy': True, 'alternatives': [], 'firewallName': 'ufw', 'stackFoldersAndFiles': [], 'existingUsers': [], 'firewallRunning': False}, 'mounts': [{'available': '5028752380', 'used': '28126280', 'percent': '1%', 'device': '/dev/sda2', 'mountpoint': '/', 'type': 'ext4', 'size': '5325330344'}]} INFO 2019-02-05 16:17:42,429 __init__.py:82 - Event from server at /user/ (correlation_id=74665): {u'status': u'OK'} INFO 2019-02-05 16:17:50,774 security.py:135 - Event to server at /heartbeat (correlation_id=74666): {'id': 59887} INFO 2019-02-05 16:17:50,775 __init__.py:82 - Event from server at /user/ (correlation_id=74666): {u'status': u'OK', u'id': 59888} INFO 2019-02-05 16:18:00,778 security.py:135 - Event to server at /heartbeat (correlation_id=74667): {'id': 59888} INFO 2019-02-05 16:18:00,781 __init__.py:82 - Event from server at /user/ (correlation_id=74667): {u'status': u'OK', u'id': 59889} INFO 2019-02-05 16:18:08,633 security.py:135 - Event to server at /reports/alerts_status (correlation_id=74668): [{'name': u'datanode_heap_usage', 'timestamp': 1549412287525L, 'clusterId': '2', 'definitionId': 10, 'state': 'OK', 'text': '...'}, {'name': u'datanode_storage', 'timestamp': 1549412287526L, 'clusterId': '2', 'definitionId': 19, 'state': 'OK', 'text': '...'}] INFO 2019-02-05 16:18:08,635 __init__.py:82 - Event from server at /user/ (correlation_id=74668): {u'status': u'OK'} INFO 2019-02-05 16:18:10,782 security.py:135 - Event to server at /heartbeat (correlation_id=74669): {'id': 59889} INFO 2019-02-05 16:18:10,783 __init__.py:82 - Event from server at /user/ (correlation_id=74669): {u'status': u'OK', u'id': 59890} INFO 2019-02-05 16:18:20,784 security.py:135 - Event to server at /heartbeat (correlation_id=74670): {'id': 59890} INFO 2019-02-05 16:18:20,785 __init__.py:82 - Event from server at /user/ (correlation_id=74670): {u'status': u'OK', u'id': 59891} INFO 2019-02-05 16:18:30,788 security.py:135 - Event to server at /heartbeat (correlation_id=74671): {'id': 59891} INFO 2019-02-05 16:18:30,790 __init__.py:82 - Event from server at /user/ (correlation_id=74671): {u'status': u'OK', u'id': 59892} ... 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The host I cannot join to cluster is the Ambari server itself , I thought this was needed fro my reading of docs for the cluster in order to run the enable kerberos wizard. But seems not needed from your previous comment. I can run the command regardless , here are returns form one member compute1 root@compute1:~# dpkg --list | grep ambari ii ambari-agent 2.7.3.0-139 amd64 Ambari Agent ii ambari-infra-solr-client 2.7.3.0-139 amd64 [[description]] ii ambari-metrics-assembly 2.7.3.0-139 amd64 Ambari Metrics Assembly ... View more

ambari-server 2.7.3.0-139 amd64 Ambari Server ... View more

Could our problem be this old version? ... View more

Hi Jay - No particular reason. I inherited the cluster install that was made from a recent download l( like 3 weeks ago from your site ) so I assumed pretty new. Ambari machine still does not show in Hosts? ... View more

ambari using ssl 8443 so used this otherwise connection refused. root@ambari:~# curl -H "X-Requested-By: ambari" -u admin:admin http://ambari.example.com:8443/api/v1/clusters/cluster-name/hosts?fields=Hosts/ip,Hosts/host_name Warning: Binary output can mess up your terminal. Use "--output -" to tell Warning: curl to output it to your terminal anyway, or consider "--output Warning: <FILE>" to save to a file. ... View more

ambari using ssl 8443 so used this otherwise connection refused. root@ambari:~# curl -H "X-Requested-By: ambari" -u admin:admin http://ambari.example.com:8443/api/v1/clusters/cluster-name/hosts?fields=Hosts/ip,Hosts/host_name Warning: Binary output can mess up your terminal. Use "--output -" to tell Warning: curl to output it to your terminal anyway, or consider "--output Warning: <FILE>" to save to a file. ... View more

Hi Jay I was missing the ssh-copy-id -i ~/.ssh/id_rsa.pub root@ambari.example.com I did the above and tested OK passwd-less root login to the ambari box. Returned Failed but now with... ( thanks again!) ========================== Creating target directory... ========================== Command start time 2019-02-05 15:14:41 chmod: cannot access '/var/lib/ambari-agent/data': No such file or directory Connection to ambari.example.com closed. SSH command execution finished host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:42 ========================== Copying ambari sudo script... ========================== Command start time 2019-02-05 15:14:42 scp /var/lib/ambari-server/ambari-sudo.sh host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:42 ========================== Copying common functions script... ========================== Command start time 2019-02-05 15:14:42 scp /usr/lib/ambari-server/lib/ambari_commons host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:43 ========================== Copying create-python-wrap script... ========================== Command start time 2019-02-05 15:14:43 scp /var/lib/ambari-server/create-python-wrap.sh host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:43 ========================== Copying OS type check script... ========================== Command start time 2019-02-05 15:14:43 scp /usr/lib/ambari-server/lib/ambari_server/os_check_type.py host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:44 ========================== Running create-python-wrap script... ========================== Command start time 2019-02-05 15:14:44 Connection to ambari.example.com closed. SSH command execution finished host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:45 ========================== Running OS type check... ========================== Command start time 2019-02-05 15:14:45 Cluster primary/cluster OS family is ubuntu18 and local/current OS family is ubuntu18 Connection to ambari.example.com closed. SSH command execution finished host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:45 ========================== Checking 'sudo' package on remote host... ========================== Command start time 2019-02-05 15:14:45 Connection to ambari.example.com closed. SSH command execution finished host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:46 ========================== Copying repo file to 'tmp' folder... ========================== Command start time 2019-02-05 15:14:46 scp /etc/apt/sources.list.d/ambari.list host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:46 ========================== Moving file to repo dir... ========================== Command start time 2019-02-05 15:14:46 Connection to ambari.example.com closed. SSH command execution finished host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:47 ========================== Changing permissions for ambari.repo... ========================== Command start time 2019-02-05 15:14:47 Connection to ambari.example.com closed. SSH command execution finished host=ambari.example.com, exitcode=0 Command end time 2019-02-05 15:14:47 ========================== Update apt cache of repository... ========================== Command start time 2019-02-05 15:14:47 0% [Working] 0% [Working] Get:1 http://public-repo-1.hortonworks.com/ambari/ubuntu14/2.x/updates/2.2.1.0 Ambari InRelease [3,187 B] 0% [1 InRelease 3,187 B/3,187 B 100%] ... View more

Hi Jay thanks. Above is the error log from /var/log/ambari-server/ambari-server.log I added removed the corp/example/.cpom entries from /etc/hosts Aside questions of anyone can answer... : Is there any documentation to suggest that you cannot use ubuntu 18.04 as the server? every doc I read does not reference this version, seems to stop at ubuntu 12 or 14... Does the ambari server need to be host member of cluster? ... ... View more

2019-02-05 02:23:07,223 WARN [Server Action Executor Worker 1760] ServerActionExecutor:471 - Task #1760 failed to complete execution due to thrown exception: org.apache.ambari.server.HostNotFoundException:Host not found, hostname=ambari.example.com org.apache.ambari.server.HostNotFoundException: Host not found, hostname=ambari.example.com 2019-02-05 19:29:02,615 WARN [Server Action Executor Worker 1801] ServerActionExecutor:471 - Task #1801 failed to complete execution due to thrown exception: org.apache.ambari.server.HostNotFoundException:Host not found, hostname=ambari.example.com org.apache.ambari.server.HostNotFoundException: Host not found, hostname=ambari.example.com ... View more

Does the Amabri server have to be "in" the cluster? ... View more

Hi Jay , thanks for reply. I changed /etc/hosts on ambari to reflect your suggestion ( I have not done all in cluster as yet) 10.x.x.x ambari.example.com trie to enable , still returns error on creating principles for ambari ....the error from /var/log/ambari-server/ambari-server.log is below. ( is there anyplace else to look?) 2019-02-05 02:23:07,223 WARN [Server Action Executor Worker 1760] ServerActionExecutor:471 - Task #1760 failed to complete execution due to thrown exception: org.apache.ambari.server.HostNotFoundException:Host not found, hostname=ambari.example.com org.apache.ambari.server.HostNotFoundException: Host not found, hostname=ambari.example.com 2019-02-05 19:29:02,615 WARN [Server Action Executor Worker 1801] ServerActionExecutor:471 - Task #1801 failed to complete execution due to thrown exception: org.apache.ambari.server.HostNotFoundException:Host not found, hostname=ambari.example.com org.apache.ambari.server.HostNotFoundException: Host not found, hostname=ambari.example.com ... View more