login to docker container as root user #containerlogin #docker #root #container #root login

docker-container-in.sh

#!/bin/bash

usageMessage="Usage: $> docker-container-in.sh {container name}"
if [[ -z $1 ]]
then
  echo $usageMessage
  exit 1
fi

#get running container id
containerId=$(docker ps | grep $1 | cut -d' ' -f1)
echo "container id [$containerId] found for running container named [$1]"
echo "logging into [$1 $containerId] as root user"
docker exec -u0 -it $containerId bash