docker 管理
通过 nsenter 管理 docker 容器# yum install util-linux //安装 nsenter 命令
# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest 2b8d6139a545 35 hours ago 226 MB
centos centos6 f6808a3e4d9e 4 weeks ago 215.7 MB
# docker run -it centos:centos6 /bin/bash
# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
75f305e7605b centos:centos6 "/bin/bash" 27 seconds ago Up 1 seconds romantic_eli
# docker inspect -f '{{.State.Pid}}' 75f305e7605b //通过 inspect 取出 container PID
26769
# nsenter -t 26769 -m -i -r -u //现在通过 nsenter 进入docker 容器系统中
# hostname //已经进入container 内部
75f305e7605b
# w //通过进程访问 container 所以 w 命令看不到登陆用户
03:17:22 up 21:06,0 users,load average: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
页:
[1]