If you install Ops Center Administrator with the application installer, refer to the example docker.service file contents for location and recommended Docker settings for log rotation, Delegate, and KillMode.
This is an example of the location of recommended Docker settings for log rotation (if you use the JSON-file logging driver), Delegate and KillMode. They are set in the /usr/lib/systemd/system/docker.service file. This example is for CentOS and Fedora operating systems.
File path:
/usr/lib/systemd/system/docker.service
[Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com BindsTo=containerd.service After=network-online.target \ firewalld.service containerd.service Wants=network-online.target Requires=docker.socket [Service] Type=notify ExecStart=/usr/bin/dockerd \ --containerd=/run/containerd/containerd.sock \ ––logopt max-size=50m --log-opt max-file=3 ExecReload=/bin/kill -s HUP $MAINPID TimeoutSec=0 RestartSec=2 Restart=always StartLimitBurst=3 StartLimitInterval=60s LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity TasksMax=infinity Delegate=yes KillMode=process [Install] WantedBy=multi-user.target