Chapter 20. Revision History: Cluster Administration

Configuring Service Accounts

Added a Service Accounts and Secrets heading.

Backup and Restore

New topic discussing back up (saving state to separate storage) and restore (recreating state from separate storage) at the cluster level.

Cluster Administration Managing Nodes

Added details on how to change the node traffic interface.

Cluster Administration Managing Security Context Constraints

Added information about required drop capabilities to the Creating New Security Context Constraints section.

Managing Projects

Clarified how to remove self-provisioning capabilities in the Disabling Self-provisioning section.

High Availability

Added an Important box to the Configuring IP Failover section about using HA with AWS.

Troubleshooting OpenShift SDN

Added a TLS Handshake Timeout section.

Configuring Service Accounts

Fixed callout numbering in the Managed Service Accounts example.

Overcommitting

Added instructions on how to make the resource-reserver pod start automatically.

Scheduler

Added a Modifying Scheduler Policy section.

Overcommitting

Updated the Disabling Swap Memory section with options that can help users avoid having to swap and added a Warning box stating that disabling swap memory is not recommended.

Managing Security Context Constraints

Fixed command typos.

Managing Security Context Constraints

Added Note boxes advising against editing settings on the default SCCs other than priority, users, and groups.

Troubleshooting OpenShift SDN

Relocated the docker bridge to port 3 and other general enhancements for clarity.

Troubleshooting OpenShift SDN

Added a Debugging Virtual Networking section, which includes troubleshooting steps for when builds on a virtual network are failing. (BZ#1273327)

Managing Users

New topic on how to add users, delete users, and view user and identity lists. (BZ#1326595)

Managing Nodes

Updated the Adding Nodes and Deleting Nodes sections for accuracy.

Managing Authorization Policies

Updated the oc describe clusterPolicy default output to include the new deletecollection verb and added a NOTE box with a pointer to the verb list in the Evaluating Authorization section.

Managing Projects

Fixed a configuration typo in Using Node Selectors.

Authorization

Added the Authorization Policy diagram to the Overview section.

Pruning Resources

Corrected the default value for --keep-tag-revisions.

Managing Nodes

Added the Configuring Node Resources section.

Managing Projects

Renamed topic from "Self-Provisioned Projects" and added the Using Node Selectors section.

Monitoring Routers

Corrected the HAProxy configuration file name.

Managing Security Context Constraints

Added the Add an SCC to a User or Group section.