Skils list for DevOps In this "gist" I am going to collect information related with DevOps OpenShift Docker Get all docker processes $ docker ps Run image with launching a bash shell $ docker run -i -t alpine /bin/bash Stop container $ docker stop <CONTAINER ID> Getting inside the container $ docker run -it alpine /bin/sh Remove unused images $ docker image prune Delete all untagged images $ docker rmi $(docker images -q --filter "dangling=true") Detaching from the container without stopping Ctrl-P Ctrl-Q Additional links Use multi-stage builds Jenkins Kubernetes Get list of nodes $ kubectl get nodes Check the currently loaded context: $ kubectl config current-context View available contexts: $ kubectl config get-contexts Switch to a different Kubernetes context: $ kubectl config use-context <context-name> Linux (useful commands) Disc/File System info $ df -h Kernel release $ uname -r Kernel version $ uname -r Hostname $ uname -n All info above $ uname -a Linux CPU Information $ lscpu More commands Monitoring Zipkin - distributed tracing system - https://zipkin.io/