I hope from my last post, you got a fair idea about initial things, important to understand FSMO Roles (also called Operation Master). You know that Windows Active Directory structure is a multi-master operation. Means, in an AD, we generally have more than one master, called Domain Controllers. All DCs hold the database of Active… Read More »
This is going to be very simple and small article on the steps to reset AWS Root password. To do so, just login to your AWS Account using Root credentials Copy and paste below link to login to your AWS management console using root credentials. https://aws.amazon.com/console/ Click on sign in to the console and login… Read More »
This Articles mainly applies for the OpenShift v3.6 Cluster. This Article is all about the prerequisite preperation which need to be done before running the SSL Renewal Plabook (redeploy-certificates.yaml). While redeploying the SSL Certificate on OCP Cluster, the playbook might fails because fo some Issue. Consider checking the below points before redeploying the SSL Certificates… Read More »
One of the Issues you may face after redeploying the SSL certificate or after any of the major change on OpenShift v3.11 cluster is related to the termination of any project. If the project is not getting terminated and it gets stuck then this may happen because the api-resources (api metrics server) is not running… Read More »
If you are facing LDAP authentication issue in existing openshift cluster anytime or probably after deploying Self Signed/SSL certificate or after performing any of the major activity on the cluster, then you might need to check this article. If you face intermittent login issue using your LDAP credentials like for every 3 requests (Incase of… Read More »
I remember when I started working as Windows Admin several years ago, FSMO (Flexible Single Master Operations) was a kind of nightmare for me. I Googled hundred times to find out what exactly it is, but found too theoretical/non-practical information. Now when I actually know what exactly it is, I find it very clear and… Read More »
There is a Slight Change starting from OpenShift v3.10 Cluster. Nodes certificates are not Completely redeployed through playbook but through a different mechanism which is explained briefly below. Basically, SSL Certificates will be valid for the period of 1 year and around 85% of the certificate lifetime, the node will trigger a CSR that would have to be approved for… Read More »