4.查看镜像的元数据
# 命令
docker inspect 容器id
#测试
➜ ~ docker inspect 55321bcae33d
[
{
"Id": "55321bcae33d15da8280bcac1d2bc1141d213bcc8f8e792edfd832ff61ae5066",
"Created": "2020-05-15T05:22:05.515909071Z",
"Path": "/bin/sh",
"Args": [
"-c",
"while true;do echo 6666;sleep 1;done"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 22973,
"ExitCode": 0,
"Error": "",
"StartedAt": "2020-05-15T05:22:06.165904633Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:470671670cac686c7cf0081e0b37da2e9f4f768ddc5f6a26102ccd1c6954c1ee",
"ResolvConfPath": "/var/lib/docker/containers/55321bcae33d15da8280bcac1d2bc1141d213bcc8f8e792edfd832ff61ae5066/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/55321bcae33d15da8280bcac1d2bc1141d213bcc8f8e792edfd832ff61ae5066/hostname",
"HostsPath": "/var/lib/docker/containers/55321bcae33d15da8280bcac1d2bc1141d213bcc8f8e792edfd832ff61ae5066/hosts",
"LogPath": "/var/lib/docker/containers/55321bcae33d15da8280bcac1d2bc1141d213bcc8f8e792edfd832ff61ae5066/55321bcae33d15da8280bcac1d2bc1141d213bcc8f8e792edfd832ff61ae5066-json.log",
"Name": "/bold_bell",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "docker-default",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"Capabilities": null,
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": null,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/1f347949ba49c4dbee70cea9ff3af39a14e602bc8fac8331c46347bf6708757a-init/diff:/var/lib/docker/overlay2/5afcd8220c51854a847a36f52775b4ed0acb16fe6cfaec3bd2e5df59863835ba/diff",
"MergedDir": "/var/lib/docker/overlay2/1f347949ba49c4dbee70cea9ff3af39a14e602bc8fac8331c46347bf6708757a/merged",
"UpperDir": "/var/lib/docker/overlay2/1f347949ba49c4dbee70cea9ff3af39a14e602bc8fac8331c46347bf6708757a/diff",
"WorkDir": "/var/lib/docker/overlay2/1f347949ba49c4dbee70cea9ff3af39a14e602bc8fac8331c46347bf6708757a/work"
},
"Name": "overlay2"
},
"Mounts": [],
"Config": {
"Hostname": "55321bcae33d",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=http://www.likecs.com/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": [
"/bin/sh",
"-c",
"while true;do echo 6666;sleep 1;done"
],
"Image": "centos",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": {
"org.label-schema.build-date": "20200114",
"org.label-schema.license": "GPLv2",
"org.label-schema.name": "CentOS Base Image",
"org.label-schema.schema-version": "1.0",
"org.label-schema.vendor": "CentOS",
"org.opencontainers.image.created": "2020-01-14 00:00:00-08:00",
"org.opencontainers.image.licenses": "GPL-2.0-only",
"org.opencontainers.image.title": "CentOS Base Image",
"org.opencontainers.image.vendor": "CentOS"
}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "63ed0c837f35c12453bae9661859f37a08541a0749afb86e881869bf6fd9031b",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {},
"SandboxKey": "/var/run/docker/netns/63ed0c837f35",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "b129d9a5a2cbb92722a2101244bd81a9e3d8af034e83f338c13790a1a94552a1",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.4",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:04",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "ad5ada6a106f5ba3dda9ce4bc1475a4bb593bf5f7fbead72196e66515e8ac36a",
"EndpointID": "b129d9a5a2cbb92722a2101244bd81a9e3d8af034e83f338c13790a1a94552a1",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.4",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:04",
"DriverOpts": null
}
}
}
}
]
5. 进入当前正在运行的容器
我们通常容器都是使用后台方式运行的，需要进入容器，修改一些配置
