错误 13: Permission denied

[root@VM-32-11-tencentos ~]# docker exec -it kibana1 /bin/bash
kibana@76c20c215dcb:~$ apt-get install vi
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?

解决办法

登录容器时，使用-u 0 参数：

docker exec -u 0 -it 容器名称 /bin/bash

举例：

docker exec -u 0 -it redis1 /bin/bash