Chinh's semi-random thoughts on software development, gadgets, and other things.

To list available contexts:

kubectl config get-contexts

To show the current context:

kubectl config current-context

To switch to a new context:

kubectl config use-context my-cluster-name

To switch to a new namespace:

kubectl config set-context --current --namespace=my-namespace

See more at the kubectl Cheat Sheet.

kubectl exec -it <podname> -- sh

To get a list of running pods in the current namespace:

kubectl get pods

To ssh into a specific container:

kubectl exec -it <podName> -c <containerName> -- sh

# Create a soft symbolic link from /mnt/original (file or folder) to ~/link
ln -s /mnt/original ~/link

See also:

• Linux manual page for “ln”

git config --global user.name "<your name>"
git config --global user.email "<[email protected]>"

Related Commands

Show current git configuration:

git config --list 

Additional Information

If you get this error in Visual Studio Code when trying to commit without first setting git username/email, then run the above commands to fix: “Make sure you configure your ‘user.name’ and ‘user.email’ in git.”

You way be wondering why I wrote this blog post? The reason is that most of the current Google results require you to scroll down very far to get to the main point. So with this post, I can just google for “chinhdo git username” and I find what I need immediately right at the top of the page.

TypeScript/JavaScript

function getLastMonday(d: Date) {
    let d1 = new Date(d.getFullYear(), d.getMonth() + 1, 0);
    let wd = d1.getDay();
    d1.setDate(d1.getDate() - (wd < 1 ? 6 : wd - 1));
    return d1;
}