clarify wording for disabling passwd-based auth
Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/commit/51592812 Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/tree/51592812 Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/diff/51592812 Branch: refs/heads/develop Commit: 51592812b88f5078d7092b9b4a00a9dc169e8a71 Parents: 433de8e Author: Lisa Owen <[email protected]> Authored: Mon Sep 12 12:07:28 2016 -0700 Committer: Lisa Owen <[email protected]> Committed: Wed Sep 28 09:34:02 2016 -0700 ---------------------------------------------------------------------- admin/ClusterExpansion.html.md.erb | 4 ++-- admin/ambari-admin.html.md.erb | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/blob/51592812/admin/ClusterExpansion.html.md.erb ---------------------------------------------------------------------- diff --git a/admin/ClusterExpansion.html.md.erb b/admin/ClusterExpansion.html.md.erb index f7d3856..d74881e 100644 --- a/admin/ClusterExpansion.html.md.erb +++ b/admin/ClusterExpansion.html.md.erb @@ -20,7 +20,7 @@ There are several recommendations to keep in mind when modifying the size of you ## <a id="task_hawq_expand"></a>Adding a New Node to an Existing HAWQ Cluster -The following procedure describes the steps required to add a node to an existing HAWQ cluster. First ensure that the new node has been configured per the instructions in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html) and [Select HAWQ Host Machines](/20/install/select-hosts.html). +The following procedure describes the steps required to add a node to an existing HAWQ cluster. First ensure that the new node has been configured per the instructions found in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html) and [Select HAWQ Host Machines](/20/install/select-hosts.html). For example purposes in this procedure, we are adding a new node named `sdw4`. @@ -71,7 +71,7 @@ For example purposes in this procedure, we are adding a new node named `sdw4`. $ hawq ssh-exkeys -e hawq_hosts -x new_hosts ``` - 8. (Optional) Turn off temporary password-based authentication as described in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html#topic_pwdlessssh). + 8. (Optional) If you enabled temporary password-based authentication while preparing/configuring your new HAWQ host system, turn off password-based authentication as described in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html#topic_pwdlessssh). 8. After setting up passwordless ssh, you can execute the following hawq command to check the target machine's configuration. http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/blob/51592812/admin/ambari-admin.html.md.erb ---------------------------------------------------------------------- diff --git a/admin/ambari-admin.html.md.erb b/admin/ambari-admin.html.md.erb index 5c98dc0..6b5f1e1 100644 --- a/admin/ambari-admin.html.md.erb +++ b/admin/ambari-admin.html.md.erb @@ -160,7 +160,7 @@ There are several recommendations to keep in mind when modifying the size of you - If you are using hash tables, consider updating the `default_hash_table_bucket_number` server configuration parameter to a larger value after expanding the cluster but before redistributing the hash tables. ### Procedure -First ensure that the new node(s) has been configured per the instructions in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html) and [Select HAWQ Host Machines](/20/install/select-hosts.html). +First ensure that the new node(s) has been configured per the instructions found in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html) and [Select HAWQ Host Machines](/20/install/select-hosts.html). 1. If you have any user-defined function (UDF) libraries installed in your existing HAWQ cluster, install them on the new node(s) that you want to add to the HAWQ cluster. 2. Access the Ambari web console at http://ambari.server.hostname:8080, and login as the "admin" user. \(The default password is also "admin".\) @@ -204,7 +204,7 @@ First ensure that the new node(s) has been configured per the instructions in [A **Note:** The redistribution of table data can take a significant amount of time. 22. (Optional.) If you changed the **Exchange SSH Keys** property value before adding the host(s), change the value back to `false` after Ambari exchanges keys with the new hosts. This prevents Ambari from exchanging keys with all hosts every time the HAWQ master is started or restarted. -23. (Optional.) Turn off temporary password-based authentication as described in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html#topic_pwdlessssh). +23. (Optional.) If you enabled temporary password-based authentication while preparing/configuring your HAWQ host systems, turn off password-based authentication as described in [Apache HAWQ System Requirements](/20/requirements/system-requirements.html#topic_pwdlessssh). #### <a id="manual-config-steps"></a>Manually Updating the HAWQ Configuration If you need to expand your HAWQ cluster without restarting the HAWQ service, follow these steps to manually apply the new HAWQ configuration. (Use these steps *instead* of following Step 7 in the above procedure.):
