Docker version 1.12.6, build 78d1802

Usage: dockerd [OPTIONS] A self-sufficient runtime for containers. Options: --add-runtime=[] Register an additional OCI compatible runtime --api-cors-header Set CORS headers in the remote API --authorization-plugin=[] Authorization plugins to load -b, --bridge Attach containers to a network bridge --bip Specify network bridge IP --cgroup-parent Set parent cgroup for all containers --cluster-advertise Address or interface name to advertise --cluster-store URL of the distributed storage backend --cluster-store-opt=map[] Set cluster store options --config-file=/etc/docker/daemon.json Daemon configuration file --containerd Path to containerd socket -D, --debug Enable debug mode --default-gateway Container default gateway IPv4 address --default-gateway-v6 Container default gateway IPv6 address --default-runtime=runc Default OCI runtime for containers --default-ulimit=[] Default ulimits for containers --disable-legacy-registry Disable contacting legacy registries --dns=[] DNS server to use --dns-opt=[] DNS options to use --dns-search=[] DNS search domains to use --exec-opt=[] Runtime execution options --exec-root=/var/run/docker Root directory for execution state files --fixed-cidr IPv4 subnet for fixed IPs --fixed-cidr-v6 IPv6 subnet for fixed IPs -G, --group=docker Group for the unix socket -g, --graph=/var/lib/docker Root of the Docker runtime -H, --host=[] Daemon socket(s) to connect to -h, --help Print usage --icc=true Enable inter-container communication --insecure-registry=[] Enable insecure registry communication --ip=0.0.0.0 Default IP when binding container ports --ip-forward=true Enable net.ipv4.ip_forward --ip-masq=true Enable IP masquerading --iptables=true Enable addition of iptables rules --ipv6 Enable IPv6 networking -l, --log-level=info Set the logging level --label=[] Set key=value labels to the daemon --live-restore Enable live restore of docker when containers are still running --log-driver=json-file Default driver for container logs --log-opt=map[] Default log driver options for containers --max-concurrent-downloads=3 Set the max concurrent downloads for each pull --max-concurrent-uploads=5 Set the max concurrent uploads for each push --mtu Set the containers network MTU --oom-score-adjust=-500 Set the oom_score_adj for the daemon -p, --pidfile=/var/run/docker.pid Path to use for daemon PID file --raw-logs Full timestamps without ANSI coloring --registry-mirror=[] Preferred Docker registry mirror -s, --storage-driver Storage driver to use --selinux-enabled Enable selinux support --storage-opt=[] Storage driver options --swarm-default-advertise-addr Set default address or interface for swarm advertised address --tls Use TLS; implied by --tlsverify --tlscacert=~/.docker/ca.pem Trust certs signed only by this CA --tlscert=~/.docker/cert.pem Path to TLS certificate file --tlskey=~/.docker/key.pem Path to TLS key file --tlsverify Use TLS and verify the remote --userland-proxy=true Use userland proxy for loopback traffic --userns-remap User/Group setting for user namespaces -v, --version Print version information and quit