导入image(import)
[root@ct7 ~]# docker import centos7.xz centos:7.2
sha256:8f2b523f4f8a2b0640ae58b443b07537e5340c329fe743633be9044c43d24a03
查看image(images)
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos 7.2 8f2b523f4f8a 4 seconds ago 434.8 MB
查看image历史记录(history)
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos 7.2 8557cab7403a 28 minutes ago 434.8 MB
localhost:5000/centos 7.2 8557cab7403a 28 minutes ago 434.8 MB
[root@ct7 ~]# docker history 8557cab7403a
IMAGE CREATED CREATED BY SIZE COMMENT
8557cab7403a 28 minutes ago 434.8 MB Imported from -
tag到指定registry(tag)
[root@ct7 ~]# docker tag centos:7.2 localhost:5000/centos:7.2
上传已经tag好的image到指定registry(push)
[root@ct7 ~]# docker push localhost:5000/centos:7.2
The push refers to a repository [localhost:5000/centos]
6b93a697efc9: Pushed
7.2: digest: sha256:58d4c29d47ad39cf11a0cff64c84329417da66306f581fd64caf7b750eaa3272 size: 529
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos 7.2 8557cab7403a 4 minutes ago 434.8 MB
localhost:5000/centos 7.2 8557cab7403a 4 minutes ago 434.8 MB
运行容器(run)
[root@ct7 ~]# docker run -idt centos:7.2 /bin/bash
46a559d88c3f5c2c9a56a2d03637ec0e11ae6d762ba3560eee346ad0fca55642
连接到指定容器console
i.attach
[root@ct7 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f7cd476208ec centos:7 "/bin/bash" 6 seconds ago Up 5 seconds agitated_meitner
[root@ct7 ~]# docker attach f7cd476208ec
[root@f7cd476208ec /]# cd
[root@f7cd476208ec ~]# uname -a
Linux f7cd476208ec 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
[root@f7cd476208ec ~]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
提示:Ctl+P+Q可以退出交互式shell后，容器仍后台运行
或
ii.exec
注意:exec一定要接上-it这两个参数
root@router:~#docker exec -it zookeeper1 /bin/bash
bash-4.3# ls
CHANGES.txt README.txt build.xml dist-maven ivysettings.xml src zookeeper-3.4.8.jar.md5
LICENSE.txt README_packaging.txt conf docs lib zookeeper-3.4.8.jar zookeeper-3.4.8.jar.sha1
NOTICE.txt bin contrib ivy.xml recipes zookeeper-3.4.8.jar.asc
bash-4.3# root@router:~#
查看容器(ps,top)
[root@ct7 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
46a559d88c3f centos:7.2 "/bin/bash" 7 minutes ago Up 7 minutes dreamy_knuth
[root@ct7 ~]# docker top myfirst_centos7
UID PID PPID C STIME TTY TIME CMD
root 2997 2983 0 23:01 pts/1 00:00:00 /bin/bash
容器重命名(rename)
[root@ct7 ~]# docker rename 46a559d88c3f myfirst_centos7
[root@ct7 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
46a559d88c3f centos:7.2 "/bin/bash" 8 minutes ago Up 8 minutes myfirst_centos7
实时资源状态(stats)
[root@ct7 ~]# docker stats
CONTAINER CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
46a559d88c3f 0.00% 4.768 MB / 1.52 GB 0.31% 0 B / 648 B 4.711 MB / 0 B 0
停止容器(stop)
在发送SIGTERM后等待10s，如果未正常停止随及发送SIGKILL，默认等待时间10s
[root@ct7 ~]# docker stop myfirst_centos7
myfirst_centos7
[root@ct7 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
46a559d88c3f centos:7.2 "/bin/bash" 14 minutes ago Exited (137) 8 seconds ago myfirst_centos7
强制摧毁容器(kill)
[root@ct7 ~]# docker kill 46a559d88c3f
docker kill $(docker ps -a -q) #kill掉所有
导出容器(export)
[root@ct7 ~]# docker export 46a559d88c3f|xz - >centos7.2.xz
[root@ct7 ~]# ll -h centos7.2.xz
-rw-r--r--. 1 root root 76M 6月 11 23:47 centos7.2.xz
容器另存为镜像(commit)
root@router:~#docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
748a175ceb0a shipyard/shipyard:latest "/bin/controller serv" 2 hours ago Up 2 hours 0.0.0.0:8080->8080/tcp shipyard-controller
44f09f936dcd rethinkdb "rethinkdb --bind all" 2 hours ago Up 2 hours 0.0.0.0:28015->28015/tcp, 8080/tcp, 0.0.0.0:29015->29015/tcp shipyard-rethinkdb
5081f73ccfe1 swarm:latest "/swarm manage --host" 2 hours ago Up 2 hours 2375/tcp, 0.0.0.0:3375->3375/tcp swarm-manager
root@router:~#docker commit 748a175ceb0a container2image
sha256:d66074af31ebda0285e585085f99ae2c41c17d3d4e500d235811f431a73ce748
root@router:~#docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
container2image latest d66074af31eb 5 seconds ago 58.89 MB
swarm latest a180b24e38ed 8 days ago 19.34 MB
rethinkdb latest bda7967b3714 8 days ago 184.2 MB
shipyard/shipyard latest ab940e847950 2 weeks ago 58.89 MB
consul latest 55e81aa6b87d 6 weeks ago 32.4 MB
localhost:5000/consul latest 55e81aa6b87d 6 weeks ago 32.4 MB
导出image(save)
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
192.168.8.254:5000/elasticsearch 2.3.3 15930a3e11bf 3 days ago 346.5 MB
[root@ct7 ~]# docker save $(docker images -q)|xz - >elasticsearch.xz
[root@ct7 ~]# ll -h elasticsearch.xz
-rw-r--r--. 1 root root 103M 6月 13 22:31 elasticsearch.xz
载入image(load)
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
[root@ct7 ~]# docker load -i elasticsearch.xz
4dcab49015d4: Loading layer 130.9 MB/130.9 MB
c751e06f6a36: Loading layer 45.57 MB/45.57 MB
a1f0f0d373ba: Loading layer 1.686 MB/1.686 MB
78e3064012ad: Loading layer 3.584 kB/3.584 kB
20e1c27db3cb: Loading layer 3.584 kB/3.584 kB
5203ce9caf88: Loading layer 141.3 MB/141.3 MB
86df4b52a65a: Loading layer 426 kB/426 kB
3107ee86e723: Loading layer 2.703 MB/2.703 MB
8fd4a68bcb66: Loading layer 5.632 kB/5.632 kB
cc850bd59217: Loading layer 3.584 kB/3.584 kB
9a408a27d247: Loading layer 31.79 MB/31.79 MB
63a90f5c074e: Loading layer 4.608 kB/4.608 kB
18ec3e989c31: Loading layer 5.12 kB/5.12 kB
a0d7cd401a94: Loading layer 2.56 kB/2.56 kB
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
15930a3e11bf 3 days ago 346.5 MB
[root@ct7 ~]# docker tag 15930a3e11bf elasticsearch:2.3.2
[root@ct7 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
elasticsearch 2.3.2 15930a3e11bf 3 days ago 346.5 MB
注意:load是载入save出来的image,如果用import来导入save出来的image可能会出现问题，如出现如下问题，请inspect看下镜像配置
docker: Error response from daemon: No command specified.
See 'docker run --help'.
还可以直接从标准输入载入image
root@router:~#curl -u vadmin:123 ftp://192.168.8.254/elasticsearch.xz|docker load
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 102M 100 102M 0 0 5277k 0 0:00:19 0:00:19 --:--:-- 9647k
4dcab49015d4: Loading layer 130.9 MB/130.9 MB
c751e06f6a36: Loading layer 45.57 MB/45.57 MB
a1f0f0d373ba: Loading layer 1.686 MB/1.686 MB
78e3064012ad: Loading layer 3.584 kB/3.584 kB
20e1c27db3cb: Loading layer 3.584 kB/3.584 kB
5203ce9caf88: Loading layer 141.3 MB/141.3 MB
86df4b52a65a: Loading layer 426 kB/426 kB
3107ee86e723: Loading layer 2.703 MB/2.703 MB
8fd4a68bcb66: Loading layer 5.632 kB/5.632 kB
cc850bd59217: Loading layer 3.584 kB/3.584 kB
9a408a27d247: Loading layer 31.79 MB/31.79 MB
63a90f5c074e: Loading layer 4.608 kB/4.608 kB
18ec3e989c31: Loading layer 5.12 kB/5.12 kB
a0d7cd401a94: Loading layer 2.56 kB/2.56 kB
root@router:~#docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
15930a3e11bf 4 days ago 346.5 MB
提示:cp可以在docker宿主机与容器之间进行文件拷贝,非常有用
[root@ela-client ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
437a8f09aac9 elasticsearch:2.3.2 "/docker-entrypoint.s" 7 minutes ago Up 7 minutes 0.0.0.0:9200->9200/tcp, 9300/tcp elasticsearch-client
[root@ela-client ~]# docker cp elasticsearch-client:/usr/share/elasticsearch/config/elasticsearch.yml .
[root@ela-client ~]# ls
elasticsearch.yml
暂停容器(pause)
[root@ct7 ~]# docker pause afe3c167ad5e
afe3c167ad5e
[root@ct7 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
afe3c167ad5e centos:7.2 "/bin/bash" 4 minutes ago Up 4 minutes (Paused) prickly_booth
恢复暂停容器(unpause)
[root@ct7 ~]# docker unpause afe3c167ad5e
afe3c167ad5e
[root@ct7 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
afe3c167ad5e centos:7.2 "/bin/bash" 5 minutes ago Up 5 minutes prickly_booth
删除容器(rm)
[root@ct7 ~]# docker rm -f myfirst_centos7
myfirst_centos7
[root@ct7 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
删除image(rmi)
[root@ct7 ~]# docker rmi -f 8f2b523f4f8a
Untagged: centos:7.2
Deleted: sha256:8f2b523f4f8a2b0640ae58b443b07537e5340c329fe743633be9044c43d24a03
Deleted: sha256:6b93a697efc9d799ade79afe50b1be48cbe41c3533681bb7d4f8143839379af6
查看容器日志(logs)
[root@ela-client ~]# docker logs $(docker ps -q)
[2016-06-13 16:09:51,308][INFO ][node ] [Sunfire] version[2.3.3], pid[1], build[218bdf1/2016-05-17T15:40:04Z]
[2016-06-13 16:09:51,311][INFO ][node ] [Sunfire] initializing ...
... ...
[2016-06-13 16:09:56,408][INFO ][node ] [Sunfire] started
[2016-06-13 16:09:56,417][INFO ][gateway ] [Sunfire] recovered [0] indices into cluster_state
docker环境基本信息(info)
[root@ct7 ~]# docker info
Containers: 1
Running: 1
Paused: 0
Stopped: 0
Images: 1
Server Version: 1.11.2
Storage Driver: devicemapper
Pool Name: docker-253:1-894992-pool
Pool Blocksize: 65.54 kB
Base Device Size: 10.74 GB
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 508.9 MB
Data Space Total: 107.4 GB
Data Space Available: 2.52 GB
Metadata Space Used: 954.4 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Udev Sync Supported: true
Deferred Removal Enabled: false
Deferred Deletion Enabled: false
Deferred Deleted Device Count: 0
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.107-RHEL7 (2015-12-01)
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: null host bridge
Kernel Version: 3.10.0-229.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 1.416 GiB
Name: ct7.example.com
ID: QFBN:O5KD:SGNG:SMHQ:PRCR:PRIF:SRCZ:RBAE:N627:WV5Z:7WWG:FG5C
Docker Root Dir: /var/lib/docker
Debug mode (client): false
Debug mode (server): false
Registry: https://index.docker.io/v1/
WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled
查看容器或镜像配置(inspect)
[root@ct7 ~]# docker inspect e70a2b3c08cf
[
{
"Id": "e70a2b3c08cf06f7f13c7f9a9059837d8d6c6ccabafa92755890fb2dcedbdf5a",
"Created": "2016-06-12T05:39:29.246795305Z",
"Path": "/usr/local/bin/run",
"Args": [],
"State": {
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 12924,
"ExitCode": 0,
"Error": "",
"StartedAt": "2016-06-12T06:15:19.635211813Z",
"FinishedAt": "2016-06-12T06:04:46.333042454Z"
},
"Image": "68102ad1785d019b337cd65366085c9f9bb5d66a8e4dd6f6650849e6ea71e70b",
"NetworkSettings": {
"Bridge": "",
"EndpointID": "e88fe632b62d5bb3fd7babc6c43a59be65a13b444467c2fcc2486032a9f034e7",
"Gateway": "172.17.42.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"HairpinMode": false,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02",
"NetworkID": "02ce8fd5b42fae0295f721736985105fa7d56c2134b5cc8c865f41276c50985d",
"PortMapping": null,
"Ports": {
"2375/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "2375"
}
]
},
"SandboxKey": "/var/run/docker/netns/e70a2b3c08cf",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null
},
"ResolvConfPath": "/var/lib/docker/containers/e70a2b3c08cf06f7f13c7f9a9059837d8d6c6ccabafa92755890fb2dcedbdf5a/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/e70a2b3c08cf06f7f13c7f9a9059837d8d6c6ccabafa92755890fb2dcedbdf5a/hostname",
"HostsPath": "/var/lib/docker/containers/e70a2b3c08cf06f7f13c7f9a9059837d8d6c6ccabafa92755890fb2dcedbdf5a/hosts",
"LogPath": "/var/lib/docker/containers/e70a2b3c08cf06f7f13c7f9a9059837d8d6c6ccabafa92755890fb2dcedbdf5a/e70a2b3c08cf06f7f13c7f9a9059837d8d6c6ccabafa92755890fb2dcedbdf5a-json.log",
"Name": "/shipyard-proxy",
"RestartCount": 0,
"Driver": "devicemapper",
"ExecDriver": "native-0.2",
"MountLabel": "",
"ProcessLabel": "",
"Volumes": {
"/var/run/docker.sock": "/var/run/docker.sock"
},
"VolumesRW": {
"/var/run/docker.sock": true
},
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": [
"/var/run/docker.sock:/var/run/docker.sock"
],
"ContainerIDFile": "",
"LxcConf": [],
"Memory": 0,
"MemorySwap": 0,
"CpuShares": 0,
"CpuPeriod": 0,
"CpusetCpus": "",
"CpusetMems": "",
"CpuQuota": 0,
"BlkioWeight": 0,
"OomKillDisable": false,
"Privileged": false,
"PortBindings": {
"2375/tcp": [
{
"HostIp": "",
"HostPort": "2375"
}
]
},
"Links": null,
"PublishAllPorts": false,
"Dns": null,
"DnsSearch": null,
"ExtraHosts": null,
"VolumesFrom": null,
"Devices": [],
"NetworkMode": "bridge",
"IpcMode": "",
"PidMode": "",
"UTSMode": "",
"CapAdd": null,
"CapDrop": null,
"RestartPolicy": {
"Name": "always",
"MaximumRetryCount": 0
},
"SecurityOpt": null,
"ReadonlyRootfs": false,
"Ulimits": null,
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"CgroupParent": ""
},
"Config": {
"Hostname": "node-a",
"Domainname": "example.com",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"PortSpecs": null,
"ExposedPorts": {
"2375/tcp": {}
},
"Tty": true,
"OpenStdin": true,
"StdinOnce": false,
"Env": [
"PORT=2375",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": null,
"Image": "shipyard/docker-proxy:latest",
"Volumes": null,
"VolumeDriver": "",
"WorkingDir": "",
"Entrypoint": [
"/usr/local/bin/run"
],
"NetworkDisabled": false,
"MacAddress": "",
"OnBuild": null,
"Labels": {}
}
}
]