System has not been booted with systemd as init system

  在docker 容器裏使用systemctl命令報錯 如：systemctl start keepalived.service 問題原因: 我啓動centos容器的命令是： docker run -d --name centos_1 -it centos:latest /bin/bash 需要修改爲 docker run -tid --name centos_1 --privileged=t

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