云计算 1.docker登入docker hub账号，（Docker hub上申请的账号即可） 复制[root@www ~]# docker login Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.  ****** WARNING! Your password will be stored unencrypted in /root/.docker/config.json. Configure a credential helper to remove this warning. See https://docs.docker.com/engine/reference/commandline/login/#credentials-store   Login Succeeded 2.搜索镜像库中的镜像； 复制[root@www ~]# docker search nginx NAME                                                   DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED nginx                                                  Official build of Nginx.                        10250               [OK]                 jwilder/nginx-proxy                                    Automated Nginx reverse proxy for docker con…   1462                                    [OK] richarvey/nginx-php-fpm                                Container running Nginx   PHP-FPM capable of…   647                                     [OK] jrcs/letsencrypt-nginx-proxy-companion                 LetsEncrypt container to use with nginx as p…   438                                     [OK] kong                                                   Open-source Microservice & API Management la…   247                 [OK]                 webdevops/php-nginx                                    Nginx with PHP-FPM                              117                                     [OK] kitematic/hello-world-nginx                            A light-weight nginx container that demonstr…   112                                      zabbix/zabbix-web-nginx-mysql                          Zabbix frontend based on Nginx web-server wi…   75                                      [OK] bitnami/nginx                                          Bitnami nginx Docker Image                      58                                      [OK] 1and1internet/ubuntu-16-nginx-php-phpmyadmin-Mysql-5   ubuntu-16-nginx-php-phpmyadmin-MYSQL-5          47                                      [OK] linuxserver/nginx                                      An Nginx container, brought to you by LinuxS…   43                                       tobi312/rpi-nginx                                      NGINX on Raspberry Pi / armhf                   23                                      [OK] blacklabelops/nginx                                    Dockerized Nginx Reverse Proxy Server.          12                                      [OK] nginx/nginx-ingress                                    NGINX Ingress Controller for Kubernetes         12                                       wodby/drupal-nginx                                     Nginx for Drupal container image                11                                      [OK] centos/nginx-18-centos7                                Platform for running nginx 1.8 or building n…   8                                        nginxdemos/hello                                       NGINX webserver that serves a simple page co…   8                                       [OK] centos/nginx-112-centos7                               Platform for running nginx 1.12 or building …   5                                        1science/nginx                                         Nginx Docker images that include Consul Temp…   4                                       [OK] travix/nginx                                           NGinx reverse proxy                             2                                       [OK] pebbletech/nginx-proxy                                 nginx-proxy sets up a container running ngin…   2                                       [OK] mailu/nginx                                            Mailu nginx frontend                            2                                       [OK] toccoag/openshift-nginx                                Nginx reverse proxy for Nice running on same…   1                                       [OK] wodby/nginx                                            Generic nginx                                   0                                       [OK] ansibleplaybookbundle/nginx-apb                        An APB to deploy NGINX                          0                                       [OK] 3.docker拉取存在docker hub上的镜像至本地（下载Docker hub上的镜像）； 复制[root@www ~]# docker pull httpd:2.4.37-alpine 2.4.37-alpine: Pulling from library/httpd 4fe2ade4980c: Already exists 42101a4e4c4e: Pull complete 73eadb9961ff: Pull complete 830983fb5ec2: Pull complete 78fb51bbfc27: Pull complete Digest: sha256:b875793145fe613aa2d1f73f1cd8ec09b775abcd6980024bc60a6a9c73d644fc Status: Downloaded newer image for httpd:2.4.37-alpine [root@www ~]# docker image ls REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE httpd               2.4.37-alpine       11fc0c2a2dfa        4 days ago          91.8MB nginx               1.14-alpine         77bae8d00654        13 days ago         17.7MB ljymyy/nginx        latest              77bae8d00654        13 days ago         17.7MB 4.基于容器制作镜像 复制[root@www ~]# docker container  run --name httpd1 httpd:2.4.37-alpine AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 172.17.0.2. Set the 'ServerName' directive globally to suppress this message AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 172.17.0.2. Set the 'ServerName' directive globally to suppress this message [Tue Nov 20 09:19:04.710155 2018] [mpm_event:notice] [pid 1:tid 140394175941512] AH00489: Apache/2.4.37 (Unix) configured -- resuming normal operations [Tue Nov 20 09:19:04.719195 2018] [core:notice] [pid 1:tid 140394175941512] AH00094: Command line: 'httpd -D FOREGROUND' 复制[root@www ~]# docker exec -it httpd1 /bin/sh /usr/local/apache2 # /usr/local/apache2 # vi htdocs/index.html /usr/local/apache2 # exit [root@www ~]# docker commit httpd1 ljymyy/httpd:private sha256:0c28c4522c128a7dca17c26d2fd8eee4e57642b455c067832d5567da1128da5e [root@www ~]# docker image ls REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE ljymyy/httpd        private             0c28c4522c12        6 seconds ago       91.8MB httpd               2.4.37-alpine       11fc0c2a2dfa        4 days ago          91.8MB nginx               1.14-alpine         77bae8d00654        13 days ago         17.7MB ljymyy/nginx        latest              77bae8d00654        13 days ago         17.7MB     [root@www ~]# curl 172.17.0.2 It works!     test successful   测试： 复制[root@www ~]# docker run --name httpd2 --rm ljymyy/httpd:private AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 172.17.0.3. Set the 'ServerName' directive globally to suppress this message AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 172.17.0.3. Set the 'ServerName' directive globally to suppress this message [Tue Nov 20 09:39:27.805890 2018] [mpm_event:notice] [pid 1:tid 140674896550792] AH00489: Apache/2.4.37 (Unix) configured -- resuming normal operations [Tue Nov 20 09:39:27.806444 2018] [core:notice] [pid 1:tid 140674896550792] AH00094: Command line: 'httpd -D FOREGROUND' 172.17.0.1 - - [20/Nov/2018:09:39:39  0000] "GET / HTTP/1.1" 200 63     [root@www ~]# curl 172.17.0.3 It works!     test successful 5.为镜像打标签；（IMAGE ID为相同的） 复制[root@www ~]# docker tag ljymyy/httpd:private ljymyy/httpd:v2.0 [root@www ~]# docker image ls REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE ljymyy/httpd        private             0c28c4522c12        5 minutes ago       91.8MB ljymyy/httpd        v2.0                0c28c4522c12        5 minutes ago       91.8MB httpd               2.4.37-alpine       11fc0c2a2dfa        4 days ago          91.8MB ljymyy/nginx        latest              77bae8d00654        13 days ago         17.7MB nginx               1.14-alpine         77bae8d00654        13 days ago         17.7MB 6.将本地镜像上传至docker hub库中； 在docker hub上的dashboard中创建一个个人的Repository；创建相对应的namespace和repository name；例如：ljymyy/httpd 复制[root@www ~]# docker push ljymyy/httpd:v2.0 The push refers to repository [docker.io/ljymyy/httpd] 9dd07a03f263: Layer already exists 86503dd49098: Layer already exists 9caa02067460: Layer already exists 05f824de9453: Layer already exists 7df053e22514: Layer already exists df64d3292fd6: Layer already exists v2.0: digest: sha256:5b3aea8b8ed49fc642f46282c8bfeabf023fcbde0635341401a37ba0778af2a3 size: 1569 7.将镜像导入至文件中和导出文件中的镜像至本地； 复制[root@www ~]# docker save  -o test.file nginx:1.14-alpine [root@www ~]# docker load -q -i test.file Loaded image: nginx:1.14-alpine 8.显示容器的详细信息； 复制[root@www ~]# docker container  ls CONTAINER ID        IMAGE                 COMMAND              CREATED             STATUS              PORTS               NAMES 6246bc53550b        httpd:2.4.37-alpine   "httpd-foreground"   3 hours ago         Up 18 seconds       80/tcp              httpd1 [root@www ~]# docker inspect httpd1 [     {         "Id": "6246bc53550bcfa1149f9f51b48a5b992969d3e2eb50df457cb0f06589102a01",         "Created": "2018-11-20T09:18:58.780749029Z",         "Path": "httpd-foreground",         "Args": [],         "State": {             "Status": "running",             "Running": true,             "Paused": false,             "Restarting": false,             "OOMKilled": false,             "Dead": false,             "Pid": 67850,             "ExitCode": 0,             "Error": "",             "StartedAt": "2018-11-20T11:50:26.409306755Z",             "FinishedAt": "2018-11-20T09:40:54.02714799Z"         },         "Image": "sha256:11fc0c2a2dfa90eb5804742e5b0927c9cacc3664ffde7839dcc6f39e6fd44fcb",         "ResolvConfPath": "/var/lib/docker/containers/6246bc53550bcfa1149f9f51b48a5b992969d3e2eb50df457cb0f06589102a01/resolv.conf",         "HostnamePath": "/var/lib/docker/containers/6246bc53550bcfa1149f9f51b48a5b992969d3e2eb50df457cb0f06589102a01/hostname",         "HostsPath": "/var/lib/docker/containers/6246bc53550bcfa1149f9f51b48a5b992969d3e2eb50df457cb0f06589102a01/hosts",         "LogPath": "/var/lib/docker/containers/6246bc53550bcfa1149f9f51b48a5b992969d3e2eb50df457cb0f06589102a01/6246bc53550bcfa1149f9f51b48a5b992969d3e2eb50df457cb0f06589102a01-json.log",         "Name": "/httpd1",         "RestartCount": 0,         "Driver": "overlay2",         "Platform": "linux",         "MountLabel": "",         "ProcessLabel": "",         "AppArmorProfile": "",         "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,             "dns": [],             "DnsOptions": [],             "DnsSearch": [],             "ExtraHosts": null,             "GroupAdd": null,             "IpcMode": "shareable",             "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,             "DiskQuota": 0,             "KernelMemory": 0,             "MemoryReservation": 0,             "MemorySwap": 0,             "MemorySwappiness": null,             "OomKillDisable": false,             "PidsLimit": 0,             "Ulimits": null,             "CpuCount": 0,             "CpuPercent": 0,             "IOMaximumIOps": 0,             "IOMaximumBandwidth": 0,             "MaskedPaths": [                 "/proc/acpi",                 "/proc/kcore",                 "/proc/keys",                 "/proc/latency_stats",                 "/proc/timer_list",                 "/proc/timer_stats",                 "/proc/sched_debug",                 "/proc/scsi",                 "/sys/firmware"             ],             "ReadonlyPaths": [                 "/proc/asound",                 "/proc/bus",                 "/proc/fs",                 "/proc/irq",                 "/proc/sys",                 "/proc/sysrq-trigger"             ]         },         "GraphDriver": {             "Data": {                 "LowerDir": "/var/lib/docker/overlay2/02719a1efc3bd4ced5a4692b75468dd4d2d55fa254869cbc26d9487ebea1c5ea-init/diff:/var/lib/docker/overlay2/0403b4e021b6fb5d30d752fa1f8d0dbe7e5b5fae974ddcc3acc8c32fe49e51f8/diff:/var/lib/docker/overlay2/7e600ef93457c34d8423b1fa59037800b630f992ca26b0289106f4bb4edbbda8/diff:/var/lib/docker/overlay2/56de63abd81931dc78929016b95e51e3d74f4702d90af28590b31ad44bd9335e/diff:/var/lib/docker/overlay2/9efe9a470ec8834a8605274fa2b156015bc703c790b429ac13fdd10f19693ccd/diff:/var/lib/docker/overlay2/2cd347e2a7d82ceeb12f18b279dda0fa0853f13ab3149aa0787f3f7c685ba622/diff",                 "MergedDir": "/var/lib/docker/overlay2/02719a1efc3bd4ced5a4692b75468dd4d2d55fa254869cbc26d9487ebea1c5ea/merged",                 "UpperDir": "/var/lib/docker/overlay2/02719a1efc3bd4ced5a4692b75468dd4d2d55fa254869cbc26d9487ebea1c5ea/diff",                 "WorkDir": "/var/lib/docker/overlay2/02719a1efc3bd4ced5a4692b75468dd4d2d55fa254869cbc26d9487ebea1c5ea/work"             },             "Name": "overlay2"         },         "Mounts": [],         "Config": {             "Hostname": "6246bc53550b",             "Domainname": "",             "User": "",             "AttachStdin": true,             "AttachStdout": true,             "AttachStderr": true,             "ExposedPorts": {                 "80/tcp": {}             },             "Tty": true,             "OpenStdin": true,             "StdinOnce": true,             "Env": [                 "PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",                 "HTTPD_PREFIX=/usr/local/apache2",                 "HTTPD_VERSION=2.4.37",                 "HTTPD_SHA256=3498dc5c6772fac2eb7307dc7963122ffe243b5e806e0be4fb51974ff759d726",                 "HTTPD_PATCHES=",                 "APACHE_DIST_URLS=https://www.apache.org/dyn/closer.cgi?action=download&filename= \\\\thttps://www-us.apache.org/dist/ \\\\thttps://www.apache.org/dist/ \\\\thttps://archive.apache.org/dist/"             ],             "Cmd": [                 "httpd-foreground"             ],             "ArgsEscaped": true,             "Image": "httpd:2.4.37-alpine",             "Volumes": null,             "WorkingDir": "/usr/local/apache2",             "Entrypoint": null,             "OnBuild": null,             "Labels": {}         },         "NetworkSettings": {             "Bridge": "",             "SandboxID": "948daf1d078778001fa043b74a10733c11e215be3a8b457b16a47d8b46f087aa",             "HairpinMode": false,             "LinkLocalIPv6Address": "",             "LinkLocalIPv6PrefixLen": 0,             "Ports": {                 "80/tcp": null             },             "SandboxKey": "/var/run/docker/netns/948daf1d0787",             "SecondaryIPAddresses": null,             "SecondaryIPv6Addresses": null,             "EndpointID": "a591d3f3fbf35606173c7f121a3e23503d075473d256cae6c55933cf91815172",             "Gateway": "172.17.0.1",             "GlobalIPv6Address": "",             "GlobalIPv6PrefixLen": 0,             "IPAddress": "172.17.0.2",             "IPPrefixLen": 16,             "IPv6Gateway": "",             "MacAddress": "02:42:ac:11:00:02",             "Networks": {                 "bridge": {                     "IPAMConfig": null,                     "Links": null,                     "Aliases": null,                     "NetworkID": "6714eb554a2843bd0582a3e7d63b09b175c5351c100aab08b1a051bc8187cb5c",                     "EndpointID": "a591d3f3fbf35606173c7f121a3e23503d075473d256cae6c55933cf91815172",                     "Gateway": "172.17.0.1",                     "IPAddress": "172.17.0.2",                     "IPPrefixLen": 16,                     "IPv6Gateway": "",                     "GlobalIPv6Address": "",                     "GlobalIPv6PrefixLen": 0,                     "MacAddress": "02:42:ac:11:00:02",                     "DriverOpts": null                 }             }         }     } ] 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