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• Initialize And Finalize Scripts: How do I handle network interfaces swapping names?
  
  Answer: How do I handle network interfaces swapping names? eth0 keeps changing randomly on boot to eth1 and vice versa. There are two ways to handle this ...
  
  
• Configuring: Why is the Ethernet switch port-based identification not working?
  
  Answer: Why is the Ethernet switch port-based identification not working?IntroductionThe steps below will help you troubleshoot why port-based identification on an Ethernet switch might not be ...
  
  
• User Management: How do I authenticate against Active Directory Using SAMBA/WINBIND?
  
  Answer:   How do I authenticate against Active Directory (AD) ?   There are a lot of ways to do this.  How Do I Integrate Bright With Active Directory ...
  
  
• General: Should I upgrade to a new version? I've got everything running perfectly on my current
  
  Answer: It is important to distinguish between updates and upgrades.   Updates   Package updates are provided through Bright's YUM/Zypper repositories. It is recommended to check for new updates on ...
  
  
• Software Management: Installing bacula installs pbspro, which I don't want. What should I do?
  
  Answer: Why does it happen? Bacula is a backup application, PBS Pro is a job scheduler. The two are quite unrelated, so why should bacula have a ...
  
  
• Workload Management: How do I setup the Torque 2.5 package on Bright Cluster Manager 6.0 cluster?
  
  Answer: By default, Torque 3.x (name of packages: torque and torque-client) is setup on a Bright Cluster Manager 6.0 cluster.   However Torque 2.5.x is sometimes preferred by ...
  
  
• Third Party Software: How do I run the HPL test on a Bright Cluster?
  
  Answer: How do I run the HPL test on a Bright Cluster? What is HPL?   Slightly rewording from http://www.netlib.org/benchmark/hpl/:   HPL is a software package that solves a random, dense ...
  
  
• Configuring: How do I add an alias interface?
  
  Answer: How do I add alias interfaces to the regular nodes?     [Background note: IP aliasing allows you to configure multiple IP addresses on one physical interface. This ...
  
  
• Configuring: How do I update behind a proxy?
  
  Answer: How do I update Bright if it is connected to the network behind a web proxy server?   If you are sitting behind a network proxy server ...
  
  
• User Management: How can I migrate system users to LDAP?
  
  Answer: How can I migrate users and groups from /etc/passwd and /etc/group to Bright's LDAP?   The following steps should be done on the head node.   1. Install the ...
  
  
• Cluster Management: My cluster is showing odd errors. What should I do?
  
  Answer: A cluster can sometimes show general weirdness, throwing up odd non-specific errors.   A checklist of suggestions to go through first:   1. check the hardware. Burn tests such as ...
  
  
• Day-to-day Administration: My LDAP server won't start because the database is corrupt. How do I fix it?
  
  Answer: My LDAP server won't start because the database is corrupt. How do I fix it?   Possible cause OpenLDAP uses a storage format (BerkeleyDB) which is known to ...
  
  
• General: Why is rsh not working?
  
  Answer: Why does RSH  not work?   Symptoms   - rsh <hostname> <command> results in poll: protocol failure in circuit setup - /var/log/messages contains in.rshd message like “Could not allocate space ...
  
  
• Containers: How can I add Kubernetes to an air-gapped Bright Cluster?
  
  Answer: Kubernetes is most easily installed on a cluster that is able to access the internet. Some clusters don’t have Internet access, but it is still ...
  
  
• Software Management: Why do mails flood in after updating my software image?
  
  Answer: Short answer Because there is probably some mail generated in the mail spool in the software image.   When, and on which versions does it happen?   This issue occurs ...
  
  
• Software Management: Why has my software suite has vanished from the bunch of nodes I installed it
  
  Answer: Most likely you installed the software directly onto those nodes instead of on the "software image". Then, after a reboot of the nodes, whatever you ...
  
  
• Third Party Software: How can I use CUDA MPS with Bright?
  
  Answer: Introduction   CUDA MPS is a feature that allows multiple CUDA processes to share a single GPU context. A CUDA program runs in MPS mode, if the ...
  
  
• Cluster Monitoring: How can I monitor a CoolIT rack with Bright?
  
  Answer: How can I monitor a CoolIT rack with Bright?   CoolIT is a vendor of water-cooled racks that have sensors to monitor the rack. CoolIT racks can ...
  
  
• Configuring: What is cm-register-node, and how can I use it?
  
  Answer: What is cm-register-node, and how can I use it? (was: How can I add an SGI UV node to an existing Bright Cluster?) Written in catechismic ...
  
  
• Workload Management: How can a PBSPro Server installed externally get recognized by a head node?
  
  Answer: An externally installed PBS Pro server is not visible to Bright Cluster Manager, by default. But this can be made possible, with a few tricks, as ...
  
  
• General: How can Nagios be integrated with Bright Cluster Manager?
  
  Answer: Integrating Nagios with Bright Cluster Manager   [This is only valid for Bright 7.2, and not for later versions.] The integration between Nagios and Bright is done via ...
  
  
• Configuring: How do I use Samba to share folders on a Bright Head Node?
  
  Answer: How do I share folders using Samba on a Bright Head Node?   Basically:  /etc/samba/smb.conf needs to be modified to add the required share, and shorewall rules ...
  
  
• User Management: How do I change the OU in LDAP?
  
  Answer: How do I change the OU in LDAP for Bright?   This is two step process: 1. Make LDAP use an HDB database instead of an BDB database. 2. ...
  
  
• Configuring: How do I create an InfiniBand subinterface?
  
  Answer: How do I create an IB subinterface?   Subinterfaces divide primary (parent) interfaces to provide traffic isolation. Partition assignments distinguish subinterfaces from parent interfaces. Subinterface creation and ...
  
  
• Security: Can I use Google Authenticator to connect to my cluster?
  
  Answer: Can I use Google Authenticator to connect to my cluster?     Yes, Google Authenticator can be used to connect to the cluster via SSH and cmgui. Google ...
  
  
• Workload Management: How do I integrate externally executed UGE/SGE server with Bright Cluster Manager 6.0?
  
  Answer: Mount the $SGE_ROOT directory from your external server that is to be managed by the Bright Cluster Manager (BCM) head node. Make sure that q* ...
  
  
• Node Provisioning: My regular nodes aren't booting up after an update, why? What now?
  
  Answer: Some updates in the software image require recreating the initrd. Bright Cluster Manager is not aware of such updates. As result,  when regular nodes are rebooted, ...
  
  
• Workload Management: How do I integrate a custom torque installation with Bright Cluster Manager?
  
  Answer: If you install torque using a path that is different from the standard BCM one, then you should carry out the following steps (BCM version ...
  
  
• User Management: How do I define a password policy in LDAP?
  
  Answer: How do I define a password policy in LDAP?   Changing the default password hash algorithm   (Tested on RHEL6. For RHEL7 some steps may not be valid) passwd-hash configures ...
  
  
• General: How can I configure Isilon's DNS and NFS with Bright?
  
  Answer:       How can I configure Isilon's DNS and NFS with Bright? DNS setup for use with Isilon SmartConnect [1]   The DNS running on the Bright head node can ...
  
  
• Workload Management: How do I add a submit host to GE?
  
  Answer: How do I add a submit host to GE (Grid Engine)? Edit /cm/local/apps/cmd/etc/cmd.conf and add the following advanced configuration parameter: # vim /cm/local/apps/cmd/etc/cmd.conf [...] AdvancedConfig = { "AdditionalSubmitHosts=<hostname>" } restart ...
  
  
• Big Data: How can I import data from MySQL to Hadoop with Apache Sqoop?
  
  Answer: How can I import data from MySQL to Hadoop with Apache Sqoop?   This is best explained with an example.   Apache Sqoop is a data transfer tool used ...
  
  
• General: Is upgrading from version 5.2 to 6.0 possible by changing the download repositories?
  
  Answer: No.   You can't  upgrade directly from 5.2 to 6.0 because the APIs and CMDaemon database have changed significantly. Trying to do this would be pretty complicated ...
  
  
• Software Management: Why do I have CUPS on my cluster?
  
  Answer: Why do I have CUPS on my cluster? I don't want CUPS opening up ports or trying to print! I don't even have a printer ...
  
  
• Power Management: How Do I monitor APM In An HP Apollo 8000?
  
  Answer: APM Monitoring Setup for An HP Apollo 8000 rack in Bright 7.x Static Routes: The head node can access the APMs through an intermediate host which has ...
  
  
• Containers: How do I expose a Kubernetes service to an external network in Bright 8.1?
  
  Answer: There are many ways of exposing a Kubernetes service to an external network.   This article describes two methods of exposing Kubernetes to an external network. The methods ...
  
  
• Installing BCM: How can I add a custom module during installation of BCM?
  
  Answer: It is possible to add custom kernel modules during the head node installation. Adding custom modules can lead to possible instability issues, so it is ...
  
  
• General: How do I upgrade to Bright 8.1?
  
  Answer:   How do I upgrade from Bright 6.0/6.1/7.0/7.1/7.2/7.3/8.0 to Bright 8.1?   The procedure below can be used to upgrade a Bright 6.0 or 6.1 or 7.0 or ...
  
  
• OpenStack: The VNC console URL isn't correct in the Horizon dashboard. How do I change it?
  
  Answer: You may modify the VNC proxy hostname in Bright which updates the VNC Console URL. ion the Horizon dashboard.This may be required as the VNC ...
  
  
• Configuring: How do I assign IP addresses to other devices (using DHCP)?
  
  Answer: If you have some additional devices which are to have a DHCP-provided IP address based on their MAC, but which are not regular compute nodes, ...
  
  
• Workload Management: How can UGE use PostrgreSQL for the spooling Database?
  
  Answer: How can UGE use PostrgreSQL for the spooling Database?   For  clusters running UGE, its plain text spool is rarely a performance bottleneck.   For busy enough clusters the ...
  
  
• Installing BCM: How can I mass-produce Bright head node installations using PXE?
  
  Answer: An already-installed (or primary) Bright head node can be used to create a head node PXE image. Machines that are booted using PXE, from the ...
  
  
• High Availability: How do I configure PBSPro HA with DAS shared storage?
  
  Answer: How do I configure PBSPro High Availability with DAS shared storage?   Bright Cluster Manager does not support HA (High Availability) for PBSPro when the shared storage ...
  
  
• OpenStack: How can I add multiple storage backends to Bright OpenStack?
  
  Answer: How can I add multiple storage backends to Bright OpenStack?   The type of virtual machine storage that is needed can be configured, either by configuring flavors, ...
  
  
• Configuring: How do I customize postfix?
  
  Answer: Short answer: The standard linux way, on the head node only. For Bright Cluster Manager 7 onwards, the relay host can be managed by BCM in ...
  
  
• Containers: How do I expose a Kubernetes service to an external network in Bright 7.3/8.0?
  
  Answer: There are many ways of exposing a Kubernetes service to an external network. In this article, two methods are described. Each has its advantages and ...
  
  
• OpenStack: How do I add Ceph OSDs to an existing Ceph cluster?
  
  Answer: How do I add an OSD to a Ceph cluster manually?   How to manually add an OSD to a Ceph cluster   This procedure was tested on Bright ...
  
  
• General: How do I upgrade to Bright 8.0 ?
  
  Answer:   How do I upgrade from Bright 6.0/6.1/7.0/7.1/7.2/7.3 to Bright 8.0?   The procedure below can be used to upgrade a Bright 6.0 or 6.1 or 7.0 or ...
  
  
• OpenStack: How to use GPFS with Bright Openstack 7.3 and higher.
  
  Answer: How can Bright OpenStack be connected with GPFS? This article explains how GPFS can be set up as a storage backend for Bright OpenStack (Cinder, Nova, ...
  
  
• OpenStack: How do I set up PCI passthrough on OpenStack?
  
  Answer:  How do I set up PCI passthrough on OpenStack? PCI passthrough on OpenStack This article describes how PCI passthrough can be used in Bright OpenStack. Two different ...
  
  

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