--ip="0.0.0.0" Default IP address to use when binding container ports # 指定监听地址，默认所有 ip
--ip-forward=true Enable net.ipv4.ip_forward # 开启转发
--ip-masq=true Enable IP masquerading for bridge's IP range
--iptables=true Enable Docker's addition of iptables rules # 添加对应 iptables 规则
--mtu=0 Set the containers network MTU # 设置网络 mtu
if no value is provided: default to the default route MTU or 1500 if no default route is available
-p, --pidfile="/var/run/docker.pid" Path to use for daemon PID file # 指定 pid 文件位置
--registry-mirror=[] Specify a preferred Docker registry mirror
-s, --storage-driver="" Force the docker runtime to use a specific storage driver # 强制 docker 运行时使用指定存储驱动
--selinux-enabled=false Enable selinux support # 开启 selinux 支持
--storage-opt=[] Set storage driver options # 设置存储驱动选项
--tls=false Use TLS; implied by tls-verify flags # 开启 tls
--tlscacert="/root/.docker/ca.pem" Trust only remotes providing a certificate signed by the CA given here
--tlscert="/root/.docker/cert.pem" Path to TLS certificate file # tls 证书文件位置
--tlskey="/root/.docker/key.pem" Path to TLS key file # tls key 文件位置
--tlsverify=false Use TLS and verify the remote (daemon: verify client, client: verify daemon) # 使用 tls 并确认远程控制主机
-v, --version=false Print version information and quit # 输出 docker 版本信息
4.2 docker search
$ sudo docker search --helpUsage: docker search TERM
Search the Docker Hub for images # 从 Docker Hub 搜索镜像 --automated=false Only show automated builds
--no-trunc=false Don't truncate output
-s, --stars=0 Only displays with at least xxx stars
示例：
$ sudo docker search -s 100 ubuntu # 查找 star 数至少为 100 的镜像，找出只有官方镜像 start 数超过 100，默认不加 s 选项找出所有相关 ubuntu 镜像 NAME DESCRIPTION STARS OFFICIAL AUTOMATED
ubuntu Official Ubuntu base image 425 [OK] 4.3 docker info
$ sudo docker info
Containers: 1 # 容器个数 Images: 22 # 镜像个数 Storage Driver: devicemapper # 存储驱动 Pool Name: docker-8:17-3221225728-pool
Pool Blocksize: 65.54 kB
Data file: /data/docker/devicemapper/devicemapper/data
Metadata file: /data/docker/devicemapper/devicemapper/metadata
Data Space Used: 1.83 GB
Data Space Total: 107.4 GB
Metadata Space Used: 2.191 MB
Metadata Space Total: 2.147 GB
Library Version: 1.02.84-RHEL7 (2014-03-26) Execution Driver: native-0.2 # 存储驱动 Kernel Version: 3.10.0-123.el7.x86_64
