进入容器脚本

进入容器  docker_login.sh

#!/bin/bash
name=$1
basedir=`cd $(dirname $0); pwd -P`/$0
if [ $# -eq 1 ];then
  docker exec -it $name /bin/bash
else
  echo "Usage: $basedir {CONTAINER ID | CONTAINER NAMES}" && exit 2
fi

使用 nsenter进入容器

#!/bin/bash

# Use nsenter to access docker

basedir=`cd $(dirname $0); pwd -P`/$0
if [ $# -ne 1 ];then
echo "Usage: $basedir {CONTAINER ID | CONTAINER NAMES}" && exit 2
fi

docker_in(){
NAME_ID=$1
PID=$(docker inspect -f "{{ .State.Pid }}" $NAME_ID)
nsenter -t $PID -m -u -i -n -p
}

docker_in $1