Hortonworks Docs » ambari administration 2.7.3 » Administering Ambari

Administering Ambari

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Introducing Ambari administration
Understanding Ambari terminology
Accessing Cloudera's private repositories with Ambari
Setting up a local repository
- Case study for setting up a local repository
- Case study for setting up an HDP-GPL local repository
Using the Administrator role in Ambari Web
- Log In to Ambari as administrator
- Using the Ambari Admin page
- Create a cluster
- Using Ambari Blueprints
- Export an Ambari Blueprint
- Change the admin password
- Changing your JDK
- Move the ZooKeeper server
- Rename a cluster
- Register a remote cluster
Setting up Ambari to use an Internet proxy server
- Configure Ambari server to use a proxy server
- Configure yum to use Internet proxy settings
Managing cluster roles
- Understanding cluster roles and access
- Role based access control
- Modify access levels for users and groups
Managing versions
- Register a new version
- Update version repository base urls
- De-register a version
Managing local users
- Manage privileges for local and ldap users
- Create a local user
- Set user status
- Grant Ambari admin privileges
- Change the password for a local user
- Delete a local user
- Enable user home directory creation
Managing local group membership
- Understanding group types
- Modify group membership
- Create a local group
- Delete a local group
Installing Ambari agents manually
- Download the Ambari repository on RHEL-CentOS-Oracle Linux 7
- Install the Ambari agents manually on RHEL-CentOS-Oracle 7
- Download the Ambari repository on Amazon Linux 2
- Install the Ambari agents manually on Amazon Linux 2
- Download the Ambari repository on SLES 11
- Install the Ambari agents manually on SLES 11
- Download the Ambari repository on SLES 12
- Install the Ambari agents manually on SLES 12
- Download the Ambari repository on Ubuntu 14
- Install the Ambari agents manually on Ubuntu 14
- Download the Ambari repository on Ubuntu 16
- Install the Ambari agents manually on Ubuntu 16
- Download the Ambari repository on Ubuntu 18
- Install the Ambari agents manually on Ubuntu 18
- Download the Ambari repository on Debian 9
- Install the Ambari agents manually on Debian 9
Understanding service users and groups
- Default user accounts
- Default group accounts
- Setting properties that depend on service or group user names
Understanding custom and private host names
- Using custom and private host names
- Configure a public host name
- Configure a custom host name
- Public host name limitations
- Verifying public host name configuration
- Changing host names
Moving the Ambari server
- Back up current Ambari database
- Update all Ambari agents
- Install the new Ambari server
- Populate the new Ambari database
- Start the new Ambari server and agents
Configuring LZO compression
- Enable LZO compression
- Configure core-site.xml for LZO
- Optional - Enable LZO using Ambari Blueprints
- Disable automatic LZO library download and installation
- Manually installing LZO libraries
- Manually installing LZO on RHEL-CentOS-Oracle
- Manually Installing LZO on SUSE Linux
- Manually installing LZO on Ubuntu or Debian
Using LZO compression with Hive queries
- Create LZO files
- Write custom Java to create LZO files
Using an existing or installing a default database
- Using an existing database with Ambari
- Using a new or existing database with Hive
- Using an existing database with Oozie
- Example: Install MariaDB for use with multiple components
Configuring network port numbers
- Default network port numbers for Ambari
- Change the default Ambari server port
- Change the default Ambari server-agent port
Tuning Ambari performance
- Adjust Ambari server heap size
- Increase Ambari server cache size
- Adjust jdbc connection pool settings
- Increase MySQL wait_timeout and interactive_timeout settings
- Purge Ambari server database history
- Optimize Ambari agent performance
Customizing Ambari log and pid directories
- Finding Ambari log files
- Configure Ambari logging level
- Customizing Ambari agent log and pid directories
Managing host participation for HDFS and YARN
- Ambari-managed host participation
- Enable manage.include.files for HDFS
- Enable manage.include.files for Yarn
- Disable manage.include.files for HDFS
- Disable manage.include.files for Yarn

Managing local group membership

You can manage membership of local groups by adding or removing users.

Understanding group types
Ambari supports two types of groups: local and LDAP.
Modify group membership
Use Admin/Groups to add local users to an existing group.
Create a local group
Use Admin/Groups to create or manage an existing local group.
Delete a local group
Use Admin/Groups to create or manage an existing local group.

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