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<code>[[/etc/docker/]]daemon.json</code> (Ref: https://docs.docker.com/engine/reference/commandline/dockerd/)
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<code>/etc/docker/daemon.json</code> (Ref: https://docs.docker.com/engine/reference/commandline/dockerd/)
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By default  in [[Ubuntu 20.04 LTS]] do not exists <code>/etc/docker/daemon.json</code>
  
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* In [[Ubuntu 20.04 LTS]] by default do not exists <code>/etc/docker/daemon.json</code>
 
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* macOS: <code>[[~/.docker/daemon.json]]</code>
 
  
  
 
== Options ==
 
== Options ==
 
  {
 
  {
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     "insecure-[[registries]]" : [ "hostname.cloudapp.net:5000" ]
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     "insecure-registries" : [ "hostname.cloudapp.net:5000" ]
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}
 
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{
 
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    "data-root": "[[/srv/]]XXXX"
 
 
  }
 
  }
  
  
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"[[registry-mirrors]]":
 
  
 
== Configure Docker as [[Prometheus]] target ==
 
== Configure Docker as [[Prometheus]] target ==
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https://docs.docker.com/config/daemon/prometheus/
 
https://docs.docker.com/config/daemon/prometheus/
 
  {
 
  {
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   "metrics-addr" : "127.0.0.1:[[9323]]",
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   "metrics-addr" : "127.0.0.1:9323",
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   "[[experimental]]" : true
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   "experimental" : true
 
  }
 
  }
  
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* <code>[[docker --help]]</code>
 
  
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== Related terms ==
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== Help ==
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* <code>[[/var/lib/docker/]]</code>
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<pre>
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* <code>[[/var/lib/docker/containers/hash of the container/hostconfig.json]]</code>
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Usage: dockerd COMMAND
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* <code>[[systemctl restart]] docker.service</code>
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* <code>[[~/.docker/config.json]]</code>
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A self-sufficient runtime for containers.
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* <code>[[docker info]]</code>
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Options:
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      --add-runtime runtime                  Register an additional OCI compatible runtime (default [])
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      --allow-nondistributable-artifacts list Allow push of nondistributable artifacts to registry
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      --api-cors-header string                Set CORS headers in the Engine API
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      --authorization-plugin list            Authorization plugins to load
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      --bip string                            Specify network bridge IP
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  -b, --bridge string                        Attach containers to a network bridge
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      --cgroup-parent string                  Set parent cgroup for all containers
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      --cluster-advertise string              Address or interface name to advertise
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      --cluster-store string                  URL of the distributed storage backend
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      --cluster-store-opt map                Set cluster store options (default map[])
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      --config-file string                    Daemon configuration file (default "/etc/docker/daemon.json")
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      --containerd string                    containerd grpc address
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      --cpu-rt-period int                    Limit the CPU real-time period in microseconds
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      --cpu-rt-runtime int                    Limit the CPU real-time runtime in microseconds
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      --cri-containerd                        start containerd with cri
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      --data-root string                      Root directory of persistent Docker state (default "/var/lib/docker")
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  -D, --debug                                Enable debug mode
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      --default-address-pool pool-options    Default address pools for node specific local networks
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      --default-gateway ip                    Container default gateway IPv4 address
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      --default-gateway-v6 ip                Container default gateway IPv6 address
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      --default-ipc-mode string              Default mode for containers ipc ("shareable" | "private") (default "private")
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      --default-runtime string                Default OCI runtime for containers (default "runc")
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      --default-shm-size bytes                Default shm size for containers (default 64MiB)
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      --default-ulimit ulimit                Default ulimits for containers (default [])
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      --dns list                              DNS server to use
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      --dns-opt list                          DNS options to use
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      --dns-search list                      DNS search domains to use
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      --exec-opt list                        Runtime execution options
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      --exec-root string                      Root directory for execution state files (default "/var/run/docker")
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      --experimental                          Enable experimental features
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      --fixed-cidr string                    IPv4 subnet for fixed IPs
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      --fixed-cidr-v6 string                  IPv6 subnet for fixed IPs
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  -G, --group string                          Group for the unix socket (default "docker")
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      --help                                  Print usage
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  -H, --host list                            Daemon socket(s) to connect to
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      --icc                                  Enable inter-container communication (default true)
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      --init                                  Run an init in the container to forward signals and reap processes
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      --init-path string                      Path to the docker-init binary
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      --insecure-registry list                Enable insecure registry communication
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      --ip ip                                Default IP when binding container ports (default 0.0.0.0)
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      --ip-forward                            Enable net.ipv4.ip_forward (default true)
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      --ip-masq                              Enable IP masquerading (default true)
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      --iptables                              Enable addition of iptables rules (default true)
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      --ipv6                                  Enable IPv6 networking
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      --label list                            Set key=value labels to the daemon
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      --live-restore                          Enable live restore of docker when containers are still running
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      --log-driver string                    Default driver for container logs (default "json-file")
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  -l, --log-level string                      Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
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      --log-opt map                          Default log driver options for containers (default map[])
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      --max-concurrent-downloads int          Set the max concurrent downloads for each pull (default 3)
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      --max-concurrent-uploads int            Set the max concurrent uploads for each push (default 5)
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      --metrics-addr string                  Set default address and port to serve the metrics api on
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      --mtu int                              Set the containers network MTU
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      --network-control-plane-mtu int        Network Control plane MTU (default 1500)
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      --no-new-privileges                    Set no-new-privileges by default for new containers
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      --node-generic-resource list            Advertise user-defined resource
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      --oom-score-adjust int                  Set the oom_score_adj for the daemon (default -500)
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  -p, --pidfile string                        Path to use for daemon PID file (default "/var/run/docker.pid")
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      --raw-logs                              Full timestamps without ANSI coloring
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      --registry-mirror list                  Preferred Docker registry mirror
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      --rootless                              Enable rootless mode; typically used with RootlessKit (experimental)
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      --seccomp-profile string                Path to seccomp profile
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      --selinux-enabled                      Enable selinux support
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      --shutdown-timeout int                  Set the default shutdown timeout (default 15)
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  -s, --storage-driver string                Storage driver to use
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      --storage-opt list                      Storage driver options
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      --swarm-default-advertise-addr string  Set default address or interface for swarm advertised address
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      --tls                                  Use TLS; implied by --tlsverify
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      --tlscacert string                      Trust certs signed only by this CA (default "~/.docker/ca.pem")
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      --tlscert string                        Path to TLS certificate file (default "~/.docker/cert.pem")
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      --tlskey string                        Path to TLS key file (default "~/.docker/key.pem")
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      --tlsverify                            Use TLS and verify the remote
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      --userland-proxy                        Use userland proxy for loopback traffic (default true)
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      --userland-proxy-path string            Path to the userland proxy binary
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      --userns-remap string                  User/Group setting for user namespaces
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  -v, --version                              Print version information and quit
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</pre>
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== See also ==
 
== See also ==

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