Can't access ambari UI - hadoop

I want to use Hadoop. Unfortunately, I cannot access the Ambari login. How do I fix this?

Looks like you have some other web server running on port 8080 for Apache + Postgres
Also, the link in the VM says 1080. Can you get there? Can you access the other UI's on the HDP quickstart dashboard? If so, then Ambari isn't the issue.

Related

Initiating Nifi GUI when installed on Google Cloud Compute Engine

I have reviewed this post but it is not helping:
Installing Nifi on Google Cloud Compute Engine
Here is what I have already done:
installed java 11 on ubuntu lts
installed nifi on ubuntu lts
This is what i have when i start the nifi.sh :
Java home: /usr/lib/jvm/java-1.11.0-openjdk-amd64
NiFi home: /usr/lib/nifi
Bootstrap Config File: /usr/lib/nifi/conf/bootstrap.conf
I have even tried to edit the nifi.properties by editing nifi.web.http.host and nifi.web.port
nifi.web.host=MY external ip from GCE
nifi.web.port=8080
I have even adjusted the Firewall settings and added port 8080(tcp) any my ip in IPRanges.
When I try to start the NIFI GUI it just does NOT load.
Can you please help me with that?
As per this doc can you cross check whether it is installed properly . Seems to be the default port for nifi is 8443. As you said changed to 8080, make sure that this port is not running in any other service and also there is no firewall blocking for this port.
open a web browser and navigate to https://localhost:8443/nifi or replace the port that you have changed and give it a try.
As per this SO, cross check whether the logs are listening or not by using logs/nifi-app.log. Share the screenshot if you are getting any errors.
Refer to this similar kind of issue : link1, link2, link3

UI amberi not loading but wekan dashboard loaded when using virtualbox and hortonwork hdp

I am newbiw in hadoop env. I have installed virtual box and download hortonwrk sandbox hdp 2.6.5 to open ui amberi. The virtual vm show https://localhost:1080 and https://localhost:4200. When i open this link in broswerr, it hsow wekan dashboard. not ui amberi.
How to open ul amberi ? Need help on this matter.
First, Hortonworks Sandbox is no longer supported or maintained, so you should find another solution.
If you see a different service on either port, then you have something else running on your host or as a VM, and occupying those addresses, and it's not a Virtualbox/Hadoop/Ambari problem. Ambari is showing local addresses within the VM, not addresses for your host. You can edit the VM's port mappings to use some other host port.

Ambari redirects to NiFi automatically

I installed NiFi in my Hortonworks and whenever I start my session in Ambari I'm redirected to NiFi. Has anyone any idea how to change it so that my localhost:8080 does not automatically redirect to NiFi? I attached the image below.
Thanks in advance :)
You'll need to change the port that NiFi runs on since the default is 8080 which is also the port that Ambari runs on. The port is defined in nifi.properties with the property nifi.web.http.port=8080

Ambari HDP Files View setup Connection Refused error 500

I installed Ambari HDP 2.3.6.0 on my ubuntu machine and i'm able to web login to the ambari and start all hdp services. However when I setup Files View setup accoriding to Hortonworks instructions, I'm getting an error '500 User: root is not allowed to impersonate admin'
I have setup hadoop.proxyuser.root.groups and hadoop.proxyuser.root.host according to HDFS setup instructions and also configured Files View
Please help as I'm new to this and just getting started.
Thanks

Cannot install Storm on HDP 2.2 Sandbox

When I acces the ambari dashboard on the HDP 2.2 Sandbox VM from the url http://127.0.0.1:8080/ the ambari service shows all the services with a "?" simbol, including storm. When i try to install, I cant see the install wizard link anywhere, and if I go to the url http://127.0.0.1:8080/#/installer/step0 it returns to the dash.
In the tutorial, they just open the dashboard and everything is set up, but i'm unable to start my storm cluster.
Thanks in advance.
You shouldn't have to install anything.
On the services (or hosts) page, you should find an Actions button that lets you stop and then start all services. Sometimes a particular service doesn't start well and you'll need to dig in to why that's happening.

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