Ambari Agents Upgrade

Before proceeding with the Ambari Agent Upgrade on all nodes where Ambari Agents are installed, ensure that you have stopped both the Ambari Server and Agents during the Ambari Server Upgrade. Prior to the upgrade, make sure to back up the file located at /etc/ambari-agent/conf/ambari-agent.ini.

Erase Ambari Agent:

For RHEL:

Bash
    
 
yum erase ambari-agent -y
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For Ubuntu:

Bash
    
 
apt remove ambari-agent -y
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Update Repository Files: Update ambari.repo (RedHat) or ambari.list (Ubuntu). For repositories, refer Ambari Repositories.
Install Updated Agents:

For RHEL:

Bash
    
 
yum clean allyum install ambari-agent -y
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For Ubuntu:

Bash
    
 
apt cleanapt install ambari-agent -y
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Restore Configuration Files: Backup /etc/ambari-agent/conf/ambari-agent.ini and restore /etc/ambari-agent/conf/ambari-agent.ini
Start Ambari Agents:

Bash
    
 
ambari-agent start
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