You can switch between namespaces by using thekubectlcommand with the--namespaceflag. This is particularly useful when you want to perform a one-off command targeting a specific namespace. For example, to list
Create Kubernetes Namespace Using kubectl The easiest way to create a Kubernetes namespace is via thekubectl CLI tool. To create a new Kubernetes namespace, use the following syntax: kubectl create namespace [namespace-name]Copy For[namespace-name], specify the namespace name. The rules for ...
And switch to thedeveloperuser to check that it can now impersonate theadminuser: $ kubectl config current-context dev1/api-ocp4-example-com:6443/developer $ kubectl getnode--asadmin NAME STATUS ROLES AGE VERSION master01 Ready master,worker 32d v1.24.0+b62823b ...
Many sysadmins view networking as one of the most complex elements in a Kubernetes environment. This is especially true when hosting your own Kubernetes clus...
creation of Pods in the first place, just extended to the runtime phase. A while ago I was showinghow to create Pod-like constructs using standard Docker commands. Combing the idea of ephemeral containers with the technique from that article, we can reproduce akubectl debug-like UX in ...
Tmux is pre-installed in the exam environment, which can be used to open multiple windows in one terminal. Some tmux commands may be useful during the exam: Split pane with horizontal layout: Ctrl+b % Split pane with vertical layout: Ctrl+b ” Switch to pane to the direction: Ctrl+b ...
Switch back to the Kubernetes cloud: juju switch k8s-model ...and deploy the operator charm: juju deploy coredns --channel=latest/stable --trust You can check on the status of this deployment using the command: kubectl get -n 'k8s-model' po 3. Configure Charmed Kubernetes to use thi...
In cases where we want to remove or only adjust attributes within configuration file entries, we can use unset. This allows us to remove individual values without deleting the entire entry. So, to remove a specific context, we use: $ kubectl config unset contexts.<name-context> Now, to ...
Overview Concepts Quickstart FAQ How toHow to Create an account Verify your identity Log in to the console Change the language Switch from a personal to a corporate account Switch the color scheme of the console Configure support plans Use multifactor authentication Change a password Recover a lost...
- name: socket hostPath: path: /var/run/docker.sock Which you apply withkubectl apply -f daemonset.yml. The above should work if you have a standard type setup, similar to the one you get from kops. If you’ve done custom installation work, you may need to adjust some things, like ...