Upgrade Ambari Server

Upgrade Ambari Server. On the host running Ambari Server:

For RHEL/CentOS/Oracle Linux:
```
yum clean all
yum info ambari-server 
```
In the info output, visually validate that there is an available version containing "2.6"
```
yum upgrade ambari-server
```

For SLES:

zypper clean
zypper info ambari-server

In the info output, visually validate that there is an available version containing "2.6"

zypper up ambari-server

	Important
When performing upgrade on SLES, you will see a message "There is an update candidate for 'ambari-server', but it is from different vendor. Use 'zypper install ambari-server-2.6.1-143.noarch' to install this candidate". You will need to use yast to update the package, as follows: Display the command line UI for YaST, by entering: > yast Choose Software > Software Management, then click the Enter button. In the Search Phrase field, enter `ambari-server`, then click the Enter button. On the right side you will see the search result `ambari-server 2.6`. Click Actions, choose Update, then click the Enter button. Go to Accept, and click enter.

Important

When performing upgrade on SLES, you will see a message "There is an update candidate for 'ambari-server', but it is from different vendor. Use 'zypper install ambari-server-2.6.1-143.noarch' to install this candidate". You will need to use yast to update the package, as follows:

Display the command line UI for YaST, by entering:
```
> yast
```
Choose Software > Software Management, then click the Enter button.
In the Search Phrase field, enter ambari-server, then click the Enter button.
On the right side you will see the search result ambari-server 2.6. Click Actions, choose Update, then click the Enter button.
Go to Accept, and click enter.

For Ubuntu/Debian:
```
apt-get clean all
apt-get update
apt-cache show ambari-server | grep Version 
```
In the info output, visually validate that there is an available version containing "2.6"
```
apt-get install ambari-server 
```

Check for upgrade success by noting progress during the Ambari Server installation process.

As the process runs, the console displays output similar, although not identical, to the following:

Setting up Upgrade Process Resolving Dependencies --> Running transaction check

If the upgrade fails, the console displays output similar to the following:

Setting up Upgrade Process No Packages marked for Update

A successful upgrade displays output similar to the following:

Updated: ambari-server.noarch 0:2.6.1-143 Complete!