How do I clone the monitoring data database?
In Bright 7.x the monitoring data is a database of the results of healthcheck and metric monitoring. CMDaemon deals with...
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My LDAP server won’t start because the database is corrupt. How do I fix it?
Possible causeOpenLDAP uses a storage format (BerkeleyDB) which is known to get corrupted if you don’t do a clean shutdown... -
Can I mix Linux distributions on my cluster?
Can the Bright Cluster Manager (BCM) be used to manage a mix of Linux distributions within the same cluster? Yes.... -
How do I set per-user resource limits with Cgroups?
You can use cgroups to set various resource limits for users. For example, you might add an entry like this... -
How do I migrate users to a new cluster?
Sometimes the administrator may wish to migrate users from one cluster to another (e.g. when setting up a new cluster... -
How can I set up a reverse proxy for the user portal from 7.1 onward?
In this KB article we describe the steps needed to configure the Apache httpd web server as a reverse proxy... -
How do I solve a yum update failure problem?
Depends what the failure is. If it is due to a corrupt rpm database, then a cure that often works... -
How do I migrate the cmd config to a new install?
This article is being updated. Please be aware the content herein, not limited to version numbers and slight syntax changes, may... -
How to Clone a Bright Head Node
These steps are tested on Bright 9.0 with CentOS 7 PXE Boot the new head node from the current head... -
How to Copy Bright Cluster configurations between two clusters
Following either method, configurations can be copied between Bright clusters with the same major version (e.g. two Bright 9.2 clusters).... -
Using NVIDIA GPUs in X-application on a headless node via VNC
The following steps can be followed to enable direct rendering from an x-client (glxgears or similar) running on a headless... -
Managing Kubernetes deployments with Lens
Exploring Kubernetes clusters without having to learn kubectl commands is great both for developers just getting started as well as... -
Scripting with cmsh
Sometimes it’s useful to be able to run basic commands against cmsh in an automated way. We often take the... -
Enabling Kdump (Ubuntu)
The instructions in this article can be followed to enable Kdump on Ubuntu 20.04 compute nodes. As an additional precaution,... -
How to disable a GPU on a node
In certain scenarios disabling a node GPU can be necessary, for example when a GPU on a node becomes faulty... -
How to avoid the ‘too many measurables’ event message
The ‘too many measurables’ event messages are logged when a monitoring data producer has more than 500 measurables. When the...
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