CentOS7 1611 runs Docker and uses systemctl start httpd.service to resolve errors
CentOS7 1611 runs Docker and uses systemctl start httpd.service to report an error as shown below
Error message: Failed to get D-BUS connection: Operation no permitted
Adding the --privileged option at runtime still doesn't help.
Some netizens said that dbus-daemon failed to start. Systemctl is not unusable. Set CMD or entrypoint to /usr/sbin/init. The docker container will automatically start services such as dbus. However, the container is stuck.
Baidu crashed for a whole circle, and then tried the -d parameter, haha it was OK.
This issue is also described in the CentOS repo document of GITHUB, to the effect that CentOS7 systemd does not start by default.https://github.com/docker-library/docs/tree/master/centos#systemd-integration
The following picture is a solution provided by foreign friends. Mount the /sys/fs/cgroup directory to the container's /sys/fs/cgroup directory and configure read-only permissions, but the docker run command can only use the -d parameter, not the -it Parameter, using -it parameter will still get stuck.
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