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Git Commands and Tips

Enable Git autocomoplete in macOS or Ubuntu

1. Download git autocompletion script using following CURL command

curl https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash -o ~/.git-completion.bash

2. Open ~/.bash_profile file (~/.bash_rc if use Linux) and add the following

if [ -f ~/.git-completion.bash ]; then
 . ~/.git-completion.bash

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Create new Private and Public key on Host machine (Ex.macOS)

$ssh-keygen -t rsa
# Enter location and file name like (/Users/pjadda/.ssh/minishift_rsa), do not use default files
#Passphrase is optional

Create .ssh folder in Guest OS even if it exists

$ssh [email protected] mkdir -p .ssh

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Kafka Topic Commands

bin/kafka-topics.sh --list --zookeeper 172.19.0.8:2181

bin/kafka-topics.sh --describe --zookeeper 172.19.0.8:2181 --topic customChannel

bin/kafka-topics.sh --zookeeper 172.19.0.8:2181 --delete --topic customChannel

bin/kafka-topics.sh --create --zookeeper 172.19.0.8:2181 --replication-factor 1 --partitions 1 --topic greetings

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Get all pods in a namespace

kubectl get pods --namespace=kube-system

Get all services in a namespace

kubectl get services --namespace=kube-system

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List Docker Images

docker images

List All Docker Images

docker images -a

List dangling images (orphan images)

docker images -f dangling=true

Remove dangling images