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1、docker作用

a、搭建測(cè)試環(huán)境再也不用搶分支了
b、搭建測(cè)試執(zhí)行環(huán)境
c、搭建各類服務(wù)

2、docker和虛擬機(jī)的區(qū)別

docker無(wú)虛擬化內(nèi)核，使用宿主機(jī)的內(nèi)核

3、docker的關(guān)鍵技術(shù)

namespace:linux命名空間，隔離網(wǎng)絡(luò)
Cgroups:限制和隔離進(jìn)程資源（cpu、內(nèi)存）
聯(lián)合文件系統(tǒng)：隔離文件視圖

4、docker安裝

參考官方文檔：https://docs.docker.com/install/linux/docker-ce/centos/
下面是 centos 上安裝 docker 的命令示例過(guò)程

安裝依賴

$ yum install -y yum-utils device-mapper-persistent-data lvm2

添加 docker 的yum鏡像源，如果在國(guó)內(nèi)，添加阿里云的鏡像源

安裝 docker 官方的鏡像源

$ yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

如果在國(guó)內(nèi)，安裝阿里云的鏡像

$ yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

安裝指定版本的 docker 并且啟動(dòng)服務(wù)

安裝 docker

$ yum install -y docker-ce

安裝指定版本號(hào)的 docker，以下是 k8s 官方推薦的 docker 版本號(hào) (此時(shí)，k8s 的版本號(hào)在 v1.16)

$ yum install -y docker-ce-18.06.2.ce
$ systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.

$ systemctl start docker

docker 安裝成功后，可以使用以下命令查看版本號(hào)

$ docker --version
Docker version 18.06.2-ce, build 6d37f41

查看更詳細(xì)的版本號(hào)信息

$ docker version

查看docker的詳細(xì)配置信息

$ docker info

5、鏡像管理命令（舉個(gè)??：jenkins）

docker鏡像的下載地址：https://hub.docker.com/

1.docker pull {image_name} (拉取鏡像)

docker pull jenkins/jenkins:lts

1. docker push {image_name} (推送鏡像)--需要先加個(gè)版本號(hào) 然后才能將鏡像推送到私有倉(cāng)庫(kù)（ps:目前不清楚怎么創(chuàng)建私有倉(cāng)庫(kù) todo...）

docker push jenkins/jenkins:1.0

1. docker images (查看當(dāng)前機(jī)器的所有鏡像)

[root@VM_0_4_centos ~]# docker images
REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE
docker.io/jenkins/jenkins   1.0                 22b8b9a84dbe        9 days ago          568 MB

    - REPOSITORY:倉(cāng)庫(kù)    docker.io/jenkins/jenkins：鏡像存放地址/鏡像名稱
    - TAG:鏡像版本號(hào)  不加版本號(hào)默認(rèn)會(huì)加最新的版本號(hào) latest
    - IMAGE ID：鏡像ID  全球唯一
    - CREATED：鏡像制作時(shí)間
    - SIZE：鏡像所占的磁盤時(shí)間

1. docker rmi {image_name} (刪除當(dāng)前機(jī)器的一個(gè)鏡像)

1. docker tag {source_images_name:tag your_image_name:tag} 為一個(gè)鏡像打tag

[root@VM_0_4_centos ~]# docker tag  docker.io/jenkins/jenkins:lts  docker.io/jenkins/jenkins:1.0

[root@VM_0_4_centos ~]# docker images
REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE
docker.io/jenkins/jenkins   1.0                 22b8b9a84dbe        9 days ago          568 MB
docker.io/jenkins/jenkins   lts                 22b8b9a84dbe        9 days ago          568 MB

1. docker save jenkins > jenkins.tar (將當(dāng)前機(jī)器上鏡像保存到tar包) 沒(méi)有網(wǎng)絡(luò)的情況下會(huì)使用到

[root@VM_0_4_centos ~]# docker save docker.io/jenkins/jenkins > jenkins.tar
[root@VM_0_4_centos ~]# ll
總用量 565880
-rw-r--r-- 1 root root 579456512 11月 30 10:24 jenkins.tar

1. docker load < jenkins.tar （將鏡像下載到另外的機(jī)器）沒(méi)有網(wǎng)絡(luò)的情況下會(huì)使用到

[root@VM_0_4_centos ~]# docker load < jenkins.tar 
Loaded image: docker.io/jenkins/jenkins:lts

1. docker 修改鏡像名稱

[root@VM_0_4_centos ~]# docker tag  docker.io/jenkins/jenkins:lts  sandrajenkins
[root@VM_0_4_centos ~]# docker images
REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE
sandrajenkins               latest              22b8b9a84dbe        9 days ago          568 MB
docker.io/jenkins/jenkins   1.0                 22b8b9a84dbe        9 days ago          568 MB
docker.io/jenkins/jenkins   lts                 22b8b9a84dbe        9 days ago          568 MB

踩坑：刪除鏡像需要先刪除tag

[root@VM_0_4_centos ~]# docker rmi 22b8b9a84dbe
Error response from daemon: conflict: unable to delete 22b8b9a84dbe (must be forced) - image is referenced in multiple repositories
[root@VM_0_4_centos ~]# docker rmi docker.io/jenkins/jenkins:1.0
Untagged: docker.io/jenkins/jenkins:1.0

6、容器的管理命令

1. docker run --name={your_name} --d {image_name} (運(yùn)行容器)
  參數(shù)：
  - --name 指定容器名稱 sandrajenkins
  - -d 后臺(tái)運(yùn)行
  - -port 指定端口映射規(guī)則 -p 8080（本機(jī)端口）:8080（容器端口） -p 50000:50000
  - --network 指定容器運(yùn)行的網(wǎng)絡(luò)模式待補(bǔ)充
  - -v 指定需要掛載的數(shù)據(jù)卷容器不會(huì)持久化數(shù)據(jù)所以需要掛載（文件映射，宿主機(jī)的目錄發(fā)送變化則容器的目錄會(huì)發(fā)生變化）
  - -env 指定需要傳遞給容器的環(huán)境變量待補(bǔ)充
  - 鏡像名稱 sandrajenkins

[root@VM_0_4_centos jenkins]# docker run --name  sandrajenkins -d -p 8080:8080 -p 50000:50000   sandrajenkins
9a0fa36a1857b75d4bdfe7e28f986d055b7b63c4a676ae0820e9eeb772dd6e71

1. docker ps -s -a {查看當(dāng)前所有容器}

[root@VM_0_4_centos jenkins]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                                              NAMES
9a0fa36a1857        sandrajenkins       "/sbin/tini -- /us..."   7 minutes ago       Up 7 minutes        0.0.0.0:8080->8080/tcp, 0.0.0.0:50000->50000/tcp   sandrajenkins
CONTAINER ID:容器的唯一標(biāo)識(shí)
IMAGE :容器是通過(guò)哪個(gè)鏡像啟動(dòng)的
COMMAND:啟動(dòng)名稱
CREATED :容器創(chuàng)建時(shí)間
STATUS :當(dāng)前狀態(tài)
PORTS :端口號(hào)
NAMES:容器的名稱

[root@VM_0_4_centos jenkins]# docker ps -s
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                                              NAMES               SIZE
9a0fa36a1857        sandrajenkins       "/sbin/tini -- /us..."   10 minutes ago      Up 10 minutes       0.0.0.0:8080->8080/tcp, 0.0.0.0:50000->50000/tcp   sandrajenkins       2.42 MB (virtual 570 MB)
SIZE:容器所占的磁盤空間  2.42 MB (virtual 570 MB-> 鏡像大小)

[root@VM_0_4_centos jenkins]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                                              NAMES
9a0fa36a1857        sandrajenkins       "/sbin/tini -- /us..."   13 minutes ago      Up 13 minutes       0.0.0.0:8080->8080/tcp, 0.0.0.0:50000->50000/tcp   sandrajenkins

1. docker stop {container_name} (停止容器)

[root@VM_0_4_centos jenkins]# docker stop 9a0fa36a1857
9a0fa36a1857

[root@VM_0_4_centos jenkins]# docker stop sandrajenkins
sandrajenkins

1. docker kill (container_name) {殺死容器}

[root@VM_0_4_centos jenkins]# docker kill 9a0fa36a1857
9a0fa36a1857

1. docker rm -f {container_name} (刪除容器) 需要先停止才能刪除

[root@VM_0_4_centos jenkins]# docker rm -f sandrajenkins
sandrajenkins

1. docker restart {container_name} (重啟容器)

[root@VM_0_4_centos jenkins]# docker restart 9a0fa36a1857
9a0fa36a1857

[root@VM_0_4_centos jenkins]# docker restart sandrajenkins
sandrajenkins

7、查詢信息相關(guān)命令

1. docker logs -f {容器名稱} (查看容器日志)

[root@VM_0_4_centos jenkins]# docker logs -f sandrajenkins 
Running from: /usr/share/jenkins/jenkins.war
webroot: EnvVars.masterEnvVars.get("JENKINS_HOME")
2019-11-30 04:01:28.690+0000 [id=1] INFO    org.eclipse.jetty.util.log.Log#initialized: Logging initialized @618ms to org.eclipse.jetty.util.log.JavaUtilLog
2019-11-30 04:01:28.875+0000 [id=1] INFO    winstone.Logger#logInternal: Beginning extraction from war file
2019-11-30 04:01:30.285+0000 [id=1] WARNING o.e.j.s.handler.ContextHandler#setContextPath: Empty contextPath
2019-11-30 04:01:30.380+0000 [id=1] INFO    org.eclipse.jetty.server.Server#doStart: jetty-9.4.z-SNAPSHOT; built: 2019-05-02T00:04:53.875Z; git: e1bc35120a6617ee3df052294e433f3a25ce7097; jvm 1.8.0_232-b09
2019-11-30 04:01:30.716+0000 [id=1] INFO    o.e.j.w.StandardDescriptorProcessor#visitServlet: NO JSP Support for /, did not find org.eclipse.jetty.jsp.JettyJspServlet
2019-11-30 04:01:30.786+0000 [id=1] INFO    o.e.j.s.s.DefaultSessionIdManager#doStart: DefaultSessionIdManager workerName=node0
2019-11-30 04:01:30.786+0000 [id=1] INFO    o.e.j.s.s.DefaultSessionIdManager#doStart: No SessionScavenger set, using defaults
2019-11-30 04:01:30.792+0000 [id=1] INFO    o.e.j.server.session.HouseKeeper#startScavenging: node0 Scavenging every 600000ms
Jenkins home directory: /var/jenkins_home found at: EnvVars.masterEnvVars.get("JENKINS_HOME")
2019-11-30 04:01:31.471+0000 [id=1] INFO    o.e.j.s.handler.ContextHandler#doStart: Started w.@53499d85{Jenkins v2.190.3,/,file:///var/jenkins_home/war/,AVAILABLE}{/var/jenkins_home/war}
2019-11-30 04:01:31.514+0000 [id=1] INFO    o.e.j.server.AbstractConnector#doStart: Started ServerConnector@302c971f{HTTP/1.1,[http/1.1]}{0.0.0.0:8080}
2019-11-30 04:01:31.514+0000 [id=1] INFO    org.eclipse.jetty.server.Server#doStart: Started @3443ms
2019-11-30 04:01:31.516+0000 [id=20]    INFO    winstone.Logger#logInternal: Winstone Servlet Engine v4.0 running: controlPort=disabled
2019-11-30 04:01:32.974+0000 [id=27]    INFO    jenkins.InitReactorRunner$1#onAttained: Started initialization
2019-11-30 04:01:33.043+0000 [id=25]    INFO    jenkins.InitReactorRunner$1#onAttained: Listed all plugins
2019-11-30 04:01:34.813+0000 [id=26]    INFO    jenkins.InitReactorRunner$1#onAttained: Prepared all plugins
2019-11-30 04:01:34.824+0000 [id=26]    INFO    jenkins.InitReactorRunner$1#onAttained: Started all plugins
2019-11-30 04:01:34.871+0000 [id=26]    INFO    jenkins.InitReactorRunner$1#onAttained: Augmented all extensions
2019-11-30 04:01:35.878+0000 [id=28]    INFO    jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
2019-11-30 04:01:35.937+0000 [id=41]    INFO    hudson.model.AsyncPeriodicWork$1#run: Started Download metadata
2019-11-30 04:01:35.978+0000 [id=41]    INFO    hudson.util.Retrier#start: Attempt #1 to do the action check updates server
2019-11-30 04:01:37.199+0000 [id=25]    INFO    o.s.c.s.AbstractApplicationContext#prepareRefresh: Refreshing org.springframework.web.context.support.StaticWebApplicationContext@16869b76: display name [Root WebApplicationContext]; startup date [Sat Nov 30 04:01:37 UTC 2019]; root of context hierarchy
2019-11-30 04:01:37.199+0000 [id=25]    INFO    o.s.c.s.AbstractApplicationContext#obtainFreshBeanFactory: Bean factory for application context [org.springframework.web.context.support.StaticWebApplicationContext@16869b76]: org.springframework.beans.factory.support.DefaultListableBeanFactory@1ce688fd
2019-11-30 04:01:37.215+0000 [id=25]    INFO    o.s.b.f.s.DefaultListableBeanFactory#preInstantiateSingletons: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1ce688fd: defining beans [authenticationManager]; root of factory hierarchy
2019-11-30 04:01:37.452+0000 [id=25]    INFO    o.s.c.s.AbstractApplicationContext#prepareRefresh: Refreshing org.springframework.web.context.support.StaticWebApplicationContext@512cef0f: display name [Root WebApplicationContext]; startup date [Sat Nov 30 04:01:37 UTC 2019]; root of context hierarchy
2019-11-30 04:01:37.453+0000 [id=25]    INFO    o.s.c.s.AbstractApplicationContext#obtainFreshBeanFactory: Bean factory for application context [org.springframework.web.context.support.StaticWebApplicationContext@512cef0f]: org.springframework.beans.factory.support.DefaultListableBeanFactory@1b6cd3c6
2019-11-30 04:01:37.453+0000 [id=25]    INFO    o.s.b.f.s.DefaultListableBeanFactory#preInstantiateSingletons: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1b6cd3c6: defining beans [filter,legacy]; root of factory hierarchy
2019-11-30 04:01:37.825+0000 [id=25]    INFO    jenkins.install.SetupWizard#init: 
*************************************************************
*************************************************************
*************************************************************
Jenkins initial setup is required. An admin user has been created and a password generated.
Please use the following password to proceed to installation:
a10041557c8a40e3bf41f44988799d43
This may also be found at: /var/jenkins_home/secrets/initialAdminPassword
*************************************************************
*************************************************************
*************************************************************

1. docker info (查看docker服務(wù)的信息)

[root@VM_0_4_centos jenkins]# docker info
Containers: 1
 Running: 1
 Paused: 0
 Stopped: 0
Images: 3
Server Version: 1.13.1
Storage Driver: overlay2
 Backing Filesystem: extfs
 Supports d_type: true
 Native Overlay Diff: true
Logging Driver: journald
Cgroup Driver: systemd
Plugins: 
 Volume: local
 Network: bridge host macvlan null overlay
Swarm: inactive
Runtimes: docker-runc runc
Default Runtime: docker-runc
Init Binary: /usr/libexec/docker/docker-init-current
containerd version:  (expected: aa8187dbd3b7ad67d8e5e3a15115d3eef43a7ed1)
runc version: 9c3c5f853ebf0ffac0d087e94daef462133b69c7 (expected: 9df8b306d01f59d3a8029be411de015b7304dd8f)
init version: fec3683b971d9c3ef73f284f176672c44b448662 (expected: 949e6facb77383876aeff8a6944dde66b3089574)
Security Options:
 seccomp
  WARNING: You're not using the default seccomp profile
  Profile: /etc/docker/seccomp.json
Kernel Version: 3.10.0-957.21.3.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
Number of Docker Hooks: 3
CPUs: 2
Total Memory: 3.701 GiB
Name: VM_0_4_centos
ID: X5DL:YS5M:QDPL:H665:FPT7:PAOU:N7ZK:RR25:IHH4:3THZ:2S52:MXS2
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Experimental: false
Insecure Registries:
 127.0.0.0/8
Live Restore Enabled: false
Registries: docker.io (secure)

1. docker inspect {容器名稱} (查看容器的元數(shù)據(jù))

[root@VM_0_4_centos jenkins]# docker inspect sandrajenkins
[
    {
        "Id": "6181f0aab75e39107e6e1e35093b265bb22141966d5dac795255a1c8e5218b1b",
        "Created": "2019-11-30T04:01:27.718420678Z",
        "Path": "/sbin/tini",
        "Args": [
            "--",
            "/usr/local/bin/jenkins.sh"
        ],
        "State": {
            "Status": "running",
            "Running": true,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false,
            "Dead": false,
            "Pid": 30012,
            "ExitCode": 0,
            "Error": "",
            "StartedAt": "2019-11-30T04:01:28.042010247Z",
            "FinishedAt": "0001-01-01T00:00:00Z"
        },
        "Image": "sha256:22b8b9a84dbe855962512a090bd80087584626b645f77e0cfd69398f10ad6eda",
        "ResolvConfPath": "/var/lib/docker/containers/6181f0aab75e39107e6e1e35093b265bb22141966d5dac795255a1c8e5218b1b/resolv.conf",
        "HostnamePath": "/var/lib/docker/containers/6181f0aab75e39107e6e1e35093b265bb22141966d5dac795255a1c8e5218b1b/hostname",
        "HostsPath": "/var/lib/docker/containers/6181f0aab75e39107e6e1e35093b265bb22141966d5dac795255a1c8e5218b1b/hosts",
        "LogPath": "",
        "Name": "/sandrajenkins",
        "RestartCount": 0,
        "Driver": "overlay2",
        "MountLabel": "",
        "ProcessLabel": "",
        "AppArmorProfile": "",
        "ExecIDs": null,
        "HostConfig": {
            "Binds": null,
            "ContainerIDFile": "",
            "LogConfig": {
                "Type": "journald",
                "Config": {}
            },
            "NetworkMode": "default",
            "PortBindings": {
                "50000/tcp": [
                    {
                        "HostIp": "",
                        "HostPort": "50000"
                    }
                ],
                "8080/tcp": [
                    {
                        "HostIp": "",
                        "HostPort": "8080"
                    }
                ]
            },
            "RestartPolicy": {
                "Name": "no",
                "MaximumRetryCount": 0
            },
            "AutoRemove": false,
            "VolumeDriver": "",
            "VolumesFrom": null,
            "CapAdd": null,
            "CapDrop": null,
            "Dns": [],
            "DnsOptions": [],
            "DnsSearch": [],
            "ExtraHosts": null,
            "GroupAdd": null,
            "IpcMode": "",
            "Cgroup": "",
            "Links": null,
            "OomScoreAdj": 0,
            "PidMode": "",
            "Privileged": false,
            "PublishAllPorts": false,
            "ReadonlyRootfs": false,
            "SecurityOpt": null,
            "UTSMode": "",
            "UsernsMode": "",
            "ShmSize": 67108864,
            "Runtime": "docker-runc",
            "ConsoleSize": [
                0,
                0
            ],
            "Isolation": "",
            "CpuShares": 0,
            "Memory": 0,
            "NanoCpus": 0,
            "CgroupParent": "",
            "BlkioWeight": 0,
            "BlkioWeightDevice": null,
            "BlkioDeviceReadBps": null,
            "BlkioDeviceWriteBps": null,
            "BlkioDeviceReadIOps": null,
            "BlkioDeviceWriteIOps": null,
            "CpuPeriod": 0,
            "CpuQuota": 0,
            "CpuRealtimePeriod": 0,
            "CpuRealtimeRuntime": 0,
            "CpusetCpus": "",
            "CpusetMems": "",
            "Devices": [],
            "DiskQuota": 0,
            "KernelMemory": 0,
            "MemoryReservation": 0,
            "MemorySwap": 0,
            "MemorySwappiness": -1,
            "OomKillDisable": false,
            "PidsLimit": 0,
            "Ulimits": null,
            "CpuCount": 0,
            "CpuPercent": 0,
            "IOMaximumIOps": 0,
            "IOMaximumBandwidth": 0
        },
        "GraphDriver": {
            "Name": "overlay2",
            "Data": {
                "LowerDir": "/var/lib/docker/overlay2/4915f385b4296250f062e6fc4c8f5d810481d42d73ceedbec12a62ec5a0e6ba3-init/diff:/var/lib/docker/overlay2/24b281d90ad227bea57249fdf1825777f91172c4e898c8fa97c42390555b21de/diff:/var/lib/docker/overlay2/b543fabb295340447dd4c8e7cd5eed7ec94206f612cb8885082f700089f91464/diff:/var/lib/docker/overlay2/26c4a625a359fb0d7ee8767dd818eb9245865f275ff273f3324d8ecccd014951/diff:/var/lib/docker/overlay2/0b9600575fea72430e46e695d2a322b0c386eae29c6f982d6b19a8c861ceb570/diff:/var/lib/docker/overlay2/dad8df63591123025fa6f4c45b8a554f5424c6a7668d5266f47b37de9221682a/diff:/var/lib/docker/overlay2/88b5275e82a7daacfc89ad0648737fab235f3cd0d65669c11ee610901c8857ef/diff:/var/lib/docker/overlay2/960eafffcafbd912a2f1b7def238b8c48e1de914c65ea1ad9900e798e506b77b/diff:/var/lib/docker/overlay2/3bfb23cbe887cadbe4f899f88eeb453c7a94bea6f7edb7d926c2e16d3b41a359/diff:/var/lib/docker/overlay2/ed85098f0c828e26e4a45eb762c9c3ec408d70e608cfaf96f5308dbccd35f6b2/diff:/var/lib/docker/overlay2/81d46f1b7cec18bd1fd17308ee6c5a5fb390f0e14211b23c6136ff89a59d4113/diff:/var/lib/docker/overlay2/3792b5e076cb2cd3fbe82e08235e013b89be08f5fe0057de8ce87422cbaeb802/diff:/var/lib/docker/overlay2/a178f65f381fa9436a1746d478a31f9d0e48fb929d5246e02c46d23b5de00336/diff:/var/lib/docker/overlay2/40d54e01a114fc28544c627829e52de1e42cd1af0ed452293dce133703dc6726/diff:/var/lib/docker/overlay2/6462b53ff17e6db9ba16337fc3ff51ba0007388a42d2000e497420cf7948af1b/diff:/var/lib/docker/overlay2/07694669566b1224fa9016dcf5a0c8b1ac48f082cf81c97ccd0dbb8051d9d777/diff:/var/lib/docker/overlay2/9190d964377768e482b100aa710e540a7c1b6c14ebc912b31db43d726b453dcc/diff:/var/lib/docker/overlay2/d12b3fb262dff96089f6b15a5678493f006ac7f3acc06cf4e1424d1429a9f1d2/diff:/var/lib/docker/overlay2/5ff3d3f513bb2ae2cef660ee426d62ac984b1a7b79d0a7543c46f8d7a4800e8d/diff",
                "MergedDir": "/var/lib/docker/overlay2/4915f385b4296250f062e6fc4c8f5d810481d42d73ceedbec12a62ec5a0e6ba3/merged",
                "UpperDir": "/var/lib/docker/overlay2/4915f385b4296250f062e6fc4c8f5d810481d42d73ceedbec12a62ec5a0e6ba3/diff",
                "WorkDir": "/var/lib/docker/overlay2/4915f385b4296250f062e6fc4c8f5d810481d42d73ceedbec12a62ec5a0e6ba3/work"
            }
        },
        "Mounts": [
            {
                "Type": "volume",
                "Name": "e98649401bdba44a16c1075ab876433962afa8502e40a16f0c9e11d7c7576d01",
                "Source": "/var/lib/docker/volumes/e98649401bdba44a16c1075ab876433962afa8502e40a16f0c9e11d7c7576d01/_data",
                "Destination": "/var/jenkins_home",
                "Driver": "local",
                "Mode": "",
                "RW": true,
                "Propagation": ""
            }
        ],
        "Config": {
            "Hostname": "6181f0aab75e",
            "Domainname": "",
            "User": "jenkins",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "ExposedPorts": {
                "50000/tcp": {},
                "8080/tcp": {}
            },
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/openjdk-8/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
                "LANG=C.UTF-8",
                "JAVA_HOME=/usr/local/openjdk-8",
                "JAVA_VERSION=8u232",
                "JAVA_BASE_URL=https://github.com/AdoptOpenJDK/openjdk8-upstream-binaries/releases/download/jdk8u232-b09/OpenJDK8U-jdk_",
                "JAVA_URL_VERSION=8u232b09",
                "JENKINS_HOME=/var/jenkins_home",
                "JENKINS_SLAVE_AGENT_PORT=50000",
                "REF=/usr/share/jenkins/ref",
                "JENKINS_VERSION=2.190.3",
                "JENKINS_UC=https://updates.jenkins.io",
                "JENKINS_UC_EXPERIMENTAL=https://updates.jenkins.io/experimental",
                "JENKINS_INCREMENTALS_REPO_MIRROR=https://repo.jenkins-ci.org/incrementals",
                "COPY_REFERENCE_FILE_LOG=/var/jenkins_home/copy_reference_file.log"
            ],
            "Cmd": null,
            "Image": "sandrajenkins",
            "Volumes": {
                "/var/jenkins_home": {}
            },
            "WorkingDir": "",
            "Entrypoint": [
                "/sbin/tini",
                "--",
                "/usr/local/bin/jenkins.sh"
            ],
            "OnBuild": null,
            "Labels": {}
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "8920f8d25472111fdb7b2f4d7d482ee06bc06075b8a48afc86fce201d4b717a4",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {
                "50000/tcp": [
                    {
                        "HostIp": "0.0.0.0",
                        "HostPort": "50000"
                    }
                ],
                "8080/tcp": [
                    {
                        "HostIp": "0.0.0.0",
                        "HostPort": "8080"
                    }
                ]
            },
            "SandboxKey": "/var/run/docker/netns/8920f8d25472",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "50743c3b65849410316f64bf7584b0a267056bada59c66d6e663b24fe2670ccd",
            "Gateway": "172.18.0.1",
            "GlobalIPv6Address": "",
            "GlobalIPv6PrefixLen": 0,
            "IPAddress": "172.18.0.2",
            "IPPrefixLen": 16,
            "IPv6Gateway": "",
            "MacAddress": "02:42:ac:12:00:02",
            "Networks": {
                "bridge": {
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "4852b86324ccb7d865d991bae4480fc9509e909e063c782efbc279ab0cc23781",
                    "EndpointID": "50743c3b65849410316f64bf7584b0a267056bada59c66d6e663b24fe2670ccd",
                    "Gateway": "172.18.0.1",
                    "IPAddress": "172.18.0.2",
                    "IPPrefixLen": 16,
                    "IPv6Gateway": "",
                    "GlobalIPv6Address": "",
                    "GlobalIPv6PrefixLen": 0,
                    "MacAddress": "02:42:ac:12:00:02"
                }
            }
        }
    }
]

7、與docker容器的交互命令

1. docker exec -it {容器名稱} bash 進(jìn)入容器，exec的意思是在容器中運(yùn)行一個(gè)命令。如果是bash 并且指定了-it 就會(huì)打開(kāi)容器的shell 交互

[root@VM_0_4_centos jenkins]# docker  exec  -it sandrajenkins bash
jenkins@6181f0aab75e:/$ ls
bin   dev  home  lib64  mnt  proc  run   srv  tmp  var
boot  etc  lib   media  opt  root  sbin  sys  usr

1. docker cp {host_path} /{host_file_name} {container name}:{container_path} 把宿主機(jī)上的一個(gè)文件copy到容器中

[root@VM_0_4_centos jenkins_home]# docker cp start.sh sandrajenkins:/var/jenkins_home

3、容器內(nèi)操作

[root@VM_0_4_centos ~]# docker exec sandrajenkins  echo "hi"
hi

[root@VM_0_4_centos ~]# docker exec sandrajenkins  ping www.baidu.com
PING www.a.shifen.com (180.101.49.12) 56(84) bytes of data.
64 bytes from 180.101.49.12 (180.101.49.12): icmp_seq=1 ttl=47 time=9.30 ms
64 bytes from 180.101.49.12 (180.101.49.12): icmp_seq=2 ttl=47 time=9.28 ms

踩坑1：docker掛了怎么解決？

image.png

踩坑2: docker容器刪不掉怎么辦？
參考：https://cloud.tencent.com/developer/article/1386135

環(huán)境搭建部分也可參考：https://juejin.im/post/5dd72b16e51d45351409073d

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docker學(xué)習(xí)筆記-基礎(chǔ)理論、環(huán)境搭建、常用命令（一）

docker學(xué)習(xí)筆記-基礎(chǔ)理論、環(huán)境搭建、常用命令（一）

1、docker作用

2、docker和虛擬機(jī)的區(qū)別

3、docker的關(guān)鍵技術(shù)

4、docker安裝

安裝依賴

安裝 docker 官方的鏡像源

如果在國(guó)內(nèi)，安裝阿里云的鏡像

安裝 docker

安裝指定版本號(hào)的 docker，以下是 k8s 官方推薦的 docker 版本號(hào) (此時(shí)，k8s 的版本號(hào)在 v1.16)

docker 安裝成功后，可以使用以下命令查看版本號(hào)

查看更詳細(xì)的版本號(hào)信息

查看docker的詳細(xì)配置信息

5、鏡像管理命令（舉個(gè)??：jenkins）

6、容器的管理命令

7、查詢信息相關(guān)命令

7、與docker容器的交互命令

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九 欧美,1769亚洲,黄色成人av

docker學(xué)習(xí)筆記-基礎(chǔ)理論、環(huán)境搭建、常用命令（一）

1、docker作用

2、docker和虛擬機(jī)的區(qū)別

3、docker的關(guān)鍵技術(shù)

4、docker安裝

安裝依賴

安裝 docker 官方的鏡像源

如果在國(guó)內(nèi)，安裝阿里云的鏡像

安裝 docker

安裝指定版本號(hào)的 docker，以下是 k8s 官方推薦的 docker 版本號(hào) (此時(shí)，k8s 的版本號(hào)在 v1.16)

docker 安裝成功后，可以使用以下命令查看版本號(hào)

查看更詳細(xì)的版本號(hào)信息

查看docker的詳細(xì)配置信息

5、鏡像管理命令（舉個(gè)??：jenkins）

6、容器的管理命令

7、查詢信息相關(guān)命令

7、與docker容器的交互命令

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九欧美,1769亚洲,黄色成人av

docker學(xué)習(xí)筆記-基礎(chǔ)理論、環(huán)境搭建、常用命令（一）

2、docker和虛擬機(jī)的區(qū)別

3、docker的關(guān)鍵技術(shù)

4、docker安裝

如果在國(guó)內(nèi)，安裝阿里云的鏡像

安裝指定版本號(hào)的 docker，以下是 k8s 官方推薦的 docker 版本號(hào) (此時(shí)，k8s 的版本號(hào)在 v1.16)

docker 安裝成功后，可以使用以下命令查看版本號(hào)

5、鏡像管理命令（舉個(gè)??：jenkins）

6、容器的管理命令

7、查詢信息相關(guān)命令

7、與docker容器的交互命令