Life Experience

Good good study, day day up

How to write a README.md

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Use pyenv to install python on macOS Mojave

CFLAGS="-I$(xcrun --show-sdk-path)/usr/include" pyenv install -v 3.7.2

SSH Port Forwarding

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Find Container's Internal IP address

docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' ${CONTAINER_ID}

What should you do if kubectl can't find the cluster

kubectl config set-cluster demo-cluster --server=http://master.example.com:8080
kubectl config set-context demo-system --cluster=demo-cluster
kubectl config use-context demo-system
kubectl get nodes

Find and restore a deleted file in a Git repository

git checkout $(git rev-list -n 1 HEAD -- "$file")^ -- "$file"

Set default java version in Mac

/usr/libexec/java_home -V

export JAVA_HOME=`/usr/libexec/java_home -v 1.8`