By default, Kubernetes Cluster will not schedule pods on the control-plane node for security reasons. To be able to schedule pods on the Kubernetes control-plane node, you need to remove a taint on the master nodes. For single node the command to use is:
Category: Kubernetes
Regenerate Kubernetes Join Command to Join Work Node
When we first init a K8S cluster, it will output the join command for us to join work node. But the token, by default, is only valid for 24 hours so we need to generate a new one once it expired or if we did not copy it for later use be expiration. Generate new […]
Adding Huawei Switch node on the NCE-Campus
First go to tab Design>Site Design>Site Management, then list site screen will appear: in this case we use lab-30 site, it will open this screen site like this: Click on Add device to add new device on the selected site, and it will appear this screen: Set the option protocol type to NETCONF/COAP, and mode […]
Upgrading OS on the Huawei Switch
In this case we use CE6800 Huawei Switch Series, here is the list of action that need to do for upgrading OS/System Software on the Huawei Switch: Before the upgrade, use the terminal monitor command to enable the terminal to display logs, traps, and debugging information sent from the information center. In the user view, […]
Kubernetes Standarization
To standarize a Kubernetes Cluster,A Cluster must have this following:– Dynamic Provisioning Storage (NFS, or any backend storage)– Container Network Interface ( Calico/Weave)– Load Balancer Network Provisioning ( MetalLB)– DNS to resolve ( 8.8.8.8/<any>)– Containerd configured Below are the steps to setup all necessary requirements above.REQUIREMENTS TO RUN THIS GUIDE IS THE FOLLOWING:– MUST HAVE […]