Posted inCoding & Automation Python
[Part 1] Python3: Basics for Beginners – Print, Variables, Functions
Python is one of few coding languages, which is easy to deploy and use for day to day tasks, whether…
![[Blog 1] CKS – Certified Kubernetes Security Specialist](https://technokofe.com/wp-content/uploads/2022/06/cks-1024x543.jpg)
Posted inCKS - Kubernetes Get Certified Together
[Blog 1] CKS – Certified Kubernetes Security Specialist
Introduction Welcome to Blog-1 of the CKS - Certified Kubernetes Security Specialist study group. This certification is more than two…
Posted inContainers & Kubernetes
Kubelet Service: “Error getting node” err=”node \”workernode\” not found”
I faced this error while resetting my cluster to swap memory enabled node. Basically this error comes if you have…
Posted inContainers & Kubernetes
Kubelet Service: “Error getting node” err=”node \”workernode\” not found”
I faced this error while resetting my cluster to swap memory enabled node. Basically this error comes if you have…
Posted inContainers & Kubernetes
Kubernetes Cluster using ‘swap memory’ on Host Node
Before Kubernetes release 1.22, swap space must be disabled on host node in order to provide full disk resource for…
Posted inContainers & Kubernetes
Deploying Kubernetes Cluster on Ubuntu 20.04
Before beginning with actual steps, I would suggest techies trying to deploy kubernetes cluster on CentOS to migrate to Ubuntu…
Posted inLinux & Windows
“username” is not in the sudoers file. This incident will be reported. Privilege escalation for new user in Linux
Before providing with you resolution of above error, remember this case is for providing sudo access to new user which…
Posted inContainers & Kubernetes
“Failed to run kubelet” err=”failed to run Kubelet: misconfiguration: kubelet cgroup driver: \”systemd\” is different from docker cgroup driver
With support of different type of container runtimes provided with current kubernetes release, one of important aspect to consider is…
Posted inContainers & Kubernetes
“Failed to run kubelet” err=”failed to run Kubelet: misconfiguration: kubelet cgroup driver: \”systemd\” is different from docker cgroup driver
With support of different type of container runtimes provided with current kubernetes release, one of important aspect to consider is…
Posted inLinux & Windows Tech Bites
(CentOS-8) Error: Failed to download metadata for repo ‘appstream’: Cannot prepare internal mirrorlist: No URLs in mirrorlist
While migrating my kubernetes cluster from Docker runtime engine to CRI-O, I faced error below, [root@cntmaster ~]# yum update CentOS…