（2022版）一套教程搞定k8s安装到实战 | Docker基本命令
2024-04-18 05:12:26
视频来源：B站《（2022版）最新、最全、最详细的Kubernetes（K8s）教程，从K8s安装到实战一套搞定》
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[root@k8s-master01 ~]# docker version
Client: Docker Engine - CommunityVersion: 20.10.17API version: 1.40Go version: go1.17.11Git commit: 100c701Built: Mon Jun 6 23:05:12 2022OS/Arch: linux/amd64Context: defaultExperimental: trueServer: Docker Engine - CommunityEngine:Version: 19.03.15API version: 1.40 (minimum version 1.12)Go version: go1.13.15Git commit: 99e3ed8919Built: Sat Jan 30 03:16:33 2021OS/Arch: linux/amd64Experimental: falsecontainerd:Version: 1.6.6GitCommit: 10c12954828e7c7c9b6e0ea9b0c02b01407d3ae1runc:Version: 1.1.2GitCommit: v1.1.2-0-ga916309docker-init:Version: 0.18.0GitCommit: fec3683
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker info
Client:Context: defaultDebug Mode: falsePlugins:app: Docker App (Docker Inc., v0.9.1-beta3)buildx: Docker Buildx (Docker Inc., v0.8.2-docker)
WARNING: Plugin "/usr/libexec/docker/cli-plugins/docker-scan" is not valid: failed to fetch metadata: fork/exec /usr/libexec/docker/cli-plugins/docker-scan: exec format errorServer:Containers: 10Running: 4Paused: 0Stopped: 6Images: 5Server Version: 19.03.15Storage Driver: devicemapper # aufs、overlay brtfsPool Name: docker-253:0-3035967-poolPool Blocksize: 65.54kBBase Device Size: 10.74GBBacking Filesystem: xfsUdev Sync Supported: trueData file: /dev/loop0Metadata file: /dev/loop1Data loop file: /var/lib/docker/devicemapper/devicemapper/dataMetadata loop file: /var/lib/docker/devicemapper/devicemapper/metadataData Space Used: 619.4MBData Space Total: 107.4GBData Space Available: 10.63GBMetadata Space Used: 18.56MBMetadata Space Total: 2.147GBMetadata Space Available: 2.129GBThin Pool Minimum Free Space: 10.74GBDeferred Removal Enabled: trueDeferred Deletion Enabled: trueDeferred Deleted Device Count: 0Library Version: 1.02.170-RHEL7 (2020-03-24)Logging Driver: json-file # json-file存在本地Cgroup Driver: systemdPlugins:Volume: localNetwork: bridge host ipvlan macvlan null overlayLog: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslogSwarm: inactiveRuntimes: runcDefault Runtime: runcInit Binary: docker-initcontainerd version: 10c12954828e7c7c9b6e0ea9b0c02b01407d3ae1runc version: v1.1.2-0-ga916309init version: fec3683Security Options:seccompProfile: defaultKernel Version: 4.19.12-1.el7.elrepo.x86_64Operating System: CentOS Linux 7 (Core)OSType: linuxArchitecture: x86_64CPUs: 2Total Memory: 1.923GiBName: k8s-master01ID: PPTJ:RXWD:5IWS:62IC:2GP4:RKI7:R233:3RGW:D6LN:4IXW:WUUZ:NJHRDocker Root Dir: /var/lib/docker # 可以更改的，ssd的硬盘，最好使用一个单独的磁盘进行挂载Debug Mode: falseRegistry: https://index.docker.io/v1/ # hub.docker.comLabels:Experimental: falseInsecure Registries:127.0.0.0/8Live Restore Enabled: falseWARNING: the devicemapper storage-driver is deprecated, and will be removed in a future release.
WARNING: devicemapper: usage of loopback devices is strongly discouraged for production use.Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker search centos
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
centos The official build of CentOS. 7199 [OK]
centos/systemd systemd enabled base container. 108 [OK]
centos/mysql-57-centos7 MySQL 5.7 SQL database server 95
kasmweb/centos-7-desktop CentOS 7 desktop for Kasm Workspaces 21
centos/mongodb-36-centos7 MongoDB NoSQL database server 8
kasmweb/core-centos-7 CentOS 7 base image for Kasm Workspaces 3
continuumio/centos5_gcc5_base 3
couchbase/centos7-systemd centos7-systemd images with additional debug… 1 [OK]
spack/centos7 CentOS 7 with Spack preinstalled 1
spack/centos-stream 0
couchbase/centos-72-jenkins-core 0
fnndsc/centos-python3 Source for a slim Centos-based Python3 image… 0 [OK]
couchbase/centos-72-java-sdk 0
couchbase/centos-69-sdk-build 0
couchbase/centos-70-sdk-build 0
datadog/centos-i386 0
spack/centos6 CentOS 6 with Spack preinstalled 0
starlingx/stx-centos StarlingX centos 0
ibmcom/fhe-toolkit-centos-amd64 The IBM Fully Homomorphic Encryption (FHE) T… 0
ibmcom/fhe-toolkit-centos The IBM Fully Homomorphic Encryption (FHE) T… 0
apache/couchdbci-centos Apache CouchDB CI CentOS 0
silintl/openldap OpenLDAP base image on Centos 6 0 [OK]
bitnami/centos-extras-base 0
bitnami/centos-base-buildpack Centos base compilation image 0 [OK]
couchbase/centos-69-sdk-nodevtoolset-build 0
[root@k8s-master01 ~]# docker search nginx
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
nginx Official build of Nginx. 16983 [OK]
linuxserver/nginx An Nginx container, brought to you by LinuxS… 169
bitnami/nginx Bitnami nginx Docker Image 131 [OK]
ubuntu/nginx Nginx, a high-performance reverse proxy & we… 52
bitnami/nginx-ingress-controller Bitnami Docker Image for NGINX Ingress Contr… 18 [OK]
rancher/nginx-ingress-controller 10
clearlinux/nginx Nginx reverse proxy server with the benefits… 4
ibmcom/nginx-ingress-controller Docker Image for IBM Cloud Private-CE (Commu… 4
bitnami/nginx-ldap-auth-daemon 3
rancher/nginx 2
bitnami/nginx-exporter 2
vmware/nginx 2
rancher/nginx-ingress-controller-defaultbackend 2
circleci/nginx This image is for internal use 2
vmware/nginx-photon 1
rapidfort/nginx RapidFort optimized, hardened image for NGINX 1
wallarm/nginx-ingress-controller Kubernetes Ingress Controller with Wallarm e… 1
bitnami/nginx-intel 1
kasmweb/nginx An Nginx image based off nginx:alpine and in… 1
rancher/nginx-conf 0
ibmcom/nginx-ingress-controller-ppc64le Docker Image for IBM Cloud Private-CE (Commu… 0
continuumio/nginx-ingress-ws 0
rancher/nginx-ingress-controller-amd64 0
ibmcom/nginx-ppc64le Docker image for nginx-ppc64le 0
rancher/nginx-ssl 0
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker pull alpine:latest # 本地若有镜像不会重复拉取
latest: Pulling from library/alpine
2408cc74d12b: Pull complete
Digest: sha256:686d8c9dfa6f3ccfc8230bc3178d23f84eeaf7e457f36f271ab1acc53015037c
Status: Downloaded newer image for alpine:latest
docker.io/library/alpine:latest
You have new mail in /var/spool/mail/root
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker tag alpine:latest guolianggsta/alpine:latest[root@k8s-master01 ~]# docker tag alpine:latest guolianggsta/alpine:latest
jConfigure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-storeLogin Succeeded
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker push guolianggsta/alpine:latest
The push refers to repository [docker.io/guolianggsta/alpine]
24302eb7d908: Mounted from library/alpine
latest: digest: sha256:4ff3ca91275773af45cb4b0834e12b7eb47d1c18f770a0b151381cd227f4c253 size: 528
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker run -it alpine:latest sh
/ #
/ #
/ #
/ # [root@k8s-master01 ~]# docker run -it nginx:1.14.2 sh
Unable to find image 'nginx:1.14.2' locally
1.14.2: Pulling from library/nginx
27833a3ba0a5: Pull complete
0f23e58bd0b7: Pull complete
8ca774778e85: Pull complete
Digest: sha256:f7988fb6c02e0ce69257d9bd9cf37ae20a60f1df7563c3a2a6abe24160306b8d
Status: Downloaded newer image for nginx:1.14.2
#
# [root@k8s-master01 ~]# docker run -d nginx:1.14.2 sh # -d表示后台启动一个进程
f3925ab212784ce86d350776d3b0daca2688f0a0edf28ff621d1cfe7528e04b9
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker logs -f b1aa9b735420
{"level":"info","msg":"Kubernetes host: https://10.96.0.1:443","time":"2022-06-23T02:13:21Z"}
192.168.1.107 - - [23/Jun/2022:02:13:52 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
192.168.1.107 - - [23/Jun/2022:02:14:02 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
192.168.1.107 - - [23/Jun/2022:02:14:12 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
{"level":"info","msg":"Database updated: 5 nodes, 10 pods","time":"2022-06-23T02:14:21Z"}
192.168.1.107 - - [23/Jun/2022:02:14:22 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
172.25.92.64 - - [23/Jun/2022:02:14:24 +0000] "GET /healthz HTTP/1.1" 200 13 "" "dashboard/v2.0.4"
192.168.1.107 - - [23/Jun/2022:02:14:32 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
192.168.1.107 - - [23/Jun/2022:02:14:42 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
192.168.1.107 - - [23/Jun/2022:02:14:52 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
172.25.92.64 - - [23/Jun/2022:02:14:54 +0000] "GET /healthz HTTP/1.1" 200 13 "" "dashboard/v2.0.4"
192.168.1.107 - - [23/Jun/2022:02:15:02 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
192.168.1.107 - - [23/Jun/2022:02:15:12 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
{"level":"info","msg":"Database updated: 5 nodes, 10 pods","time":"2022-06-23T02:15:21Z"}
192.168.1.107 - - [23/Jun/2022:02:15:22 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
172.25.92.64 - - [23/Jun/2022:02:15:24 +0000] "GET /healthz HTTP/1.1" 200 13 "" "dashboard/v2.0.4"
192.168.1.107 - - [23/Jun/2022:02:15:32 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"
192.168.1.107 - - [23/Jun/2022:02:15:42 +0000] "GET / HTTP/1.1" 200 6 "" "kube-probe/1.20"[root@k8s-master01 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
[root@k8s-master01 ~]#
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f3925ab21278 nginx:1.14.2 "sh" 20 minutes ago Exited (0) 20 minutes ago optimistic_joliot
dc89f8fb24c8 nginx:1.14.2 "sh" 22 minutes ago Exited (0) 20 minutes ago sleepy_borg
04cd7a480254 alpine:latest "sh" 24 minutes ago Exited (0) 23 minutes ago adoring_faraday
d99c0a30c82c alpine:latest "bash" 24 minutes ago Created distracted_khorana
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
ec82192edef4 963564fb95ed "/usr/local/bin/flex…" 24 hours ago Exited (0) 24 hours ago k8s_flexvol-driver_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_0
ab63d540576f ca5564c06ea0 "/install-cni.sh" 24 hours ago Exited (0) 24 hours ago k8s_install-cni_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
6b91d896f94c registry.cn-beijing.aliyuncs.com/dotbalo/metrics-scraper "/metrics-sidecar" 44 hours ago Exited (2) 24 hours ago k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_0
f15b45ac36ef registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 44 hours ago Exited (0) 24 hours ago k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_0
e56fca8267fa registry.cn-beijing.aliyuncs.com/dotbalo/node "start_runit" 47 hours ago Exited (0) 24 hours ago k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_0
dc9471add10b registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 47 hours ago Exited (0) 24 hours ago k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_0
[root@k8s-master01 ~]#
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker ps -q
b1aa9b735420
646932befa6a
27a98fe675fc
2bcad372e77e
[root@k8s-master01 ~]#
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker ps -qa
f3925ab21278
dc89f8fb24c8
04cd7a480254
d99c0a30c82c
b1aa9b735420
646932befa6a
27a98fe675fc
ec82192edef4
ab63d540576f
2bcad372e77e
6b91d896f94c
f15b45ac36ef
e56fca8267fa
dc9471add10b
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker exec -it 27a98fe675fc bash
[root@k8s-master01 /]#
[root@k8s-master01 /]#
[root@k8s-master01 /]# ls
@System.solv bin boot calico-secrets dev etc home included-source lib lib64 licenses lost+found media mnt opt proc root run sbin srv sys tmp usr var
[root@k8s-master01 /]# [root@k8s-master01 ~]# echo "test cp" > index.html
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ls
anaconda-ks.cfg index.html k8s-ha-install kernel-ml-devel-4.19.12-1.el7.elrepo.x86_64.rpm
etcd-v3.4.13-linux-amd64.tar.gz initial-setup-ks.cfg kernel-ml-4.19.12-1.el7.elrepo.x86_64.rpm kubernetes-server-linux-amd64.tar.gz
[root@k8s-master01 ~]# docker cp index.html 6f7256e24436:/usr/share/nginx/html/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker cp 6f7256e24436:/usr/share/nginx/html/index.html .
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6f7256e24436 nginx:1.14.2 "nginx -g 'daemon of…" 4 minutes ago Up 4 minutes 0.0.0.0:12345->80/tcp keen_mccarthy
f3925ab21278 nginx:1.14.2 "sh" 35 minutes ago Exited (0) 35 minutes ago optimistic_joliot
dc89f8fb24c8 nginx:1.14.2 "sh" 38 minutes ago Exited (0) 36 minutes ago sleepy_borg
04cd7a480254 alpine:latest "sh" 39 minutes ago Exited (0) 39 minutes ago adoring_faraday
d99c0a30c82c alpine:latest "bash" 40 minutes ago Created distracted_khorana
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
ec82192edef4 963564fb95ed "/usr/local/bin/flex…" 24 hours ago Exited (0) 24 hours ago k8s_flexvol-driver_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_0
ab63d540576f ca5564c06ea0 "/install-cni.sh" 24 hours ago Exited (0) 24 hours ago k8s_install-cni_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
6b91d896f94c registry.cn-beijing.aliyuncs.com/dotbalo/metrics-scraper "/metrics-sidecar" 44 hours ago Exited (2) 24 hours ago k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_0
f15b45ac36ef registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 44 hours ago Exited (0) 24 hours ago k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_0
e56fca8267fa registry.cn-beijing.aliyuncs.com/dotbalo/node "start_runit" 2 days ago Exited (0) 24 hours ago k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_0
dc9471add10b registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 2 days ago Exited (0) 24 hours ago k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_0
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker rm f3925ab21278
f3925ab21278
[root@k8s-master01 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
guolianggsta/alpine latest e66264b98777 4 weeks ago 5.52MB
alpine latest e66264b98777 4 weeks ago 5.52MB
registry.cn-beijing.aliyuncs.com/dotbalo/node v3.15.3 d45bf977dfbf 21 months ago 262MB
registry.cn-beijing.aliyuncs.com/dotbalo/pod2daemon-flexvol v3.15.3 963564fb95ed 21 months ago 22.8MB
registry.cn-beijing.aliyuncs.com/dotbalo/cni v3.15.3 ca5564c06ea0 21 months ago 110MB
registry.cn-beijing.aliyuncs.com/dotbalo/metrics-scraper v1.0.4 86262685d9ab 2 years ago 36.9MB
registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64 3.2 80d28bedfe5d 2 years ago 683kB
nginx 1.14.2 295c7be07902 3 years ago 109MB
[root@k8s-master01 ~]# docker rmi guolianggsta/alpine
Untagged: guolianggsta/alpine:latest
Untagged: guolianggsta/alpine@sha256:4ff3ca91275773af45cb4b0834e12b7eb47d1c18f770a0b151381cd227f4c253
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6f7256e24436 nginx:1.14.2 "nginx -g 'daemon of…" 6 minutes ago Up 6 minutes 0.0.0.0:12345->80/tcp keen_mccarthy
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker stop 6f7256e24436
6f7256e24436
[root@k8s-master01 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker start 6f7256e24436
6f7256e24436
[root@k8s-master01 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6f7256e24436 nginx:1.14.2 "nginx -g 'daemon of…" 7 minutes ago Up 7 seconds 0.0.0.0:12345->80/tcp keen_mccarthy
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker history alpine
IMAGE CREATED CREATED BY SIZE COMMENT
e66264b98777 4 weeks ago /bin/sh -c #(nop) CMD ["/bin/sh"] 0B
<missing> 4 weeks ago /bin/sh -c #(nop) ADD file:8e81116368669ed3d… 5.52MB
[root@k8s-master01 ~]# [root@k8s-master01 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6f7256e24436 nginx:1.14.2 "nginx -g 'daemon of…" 9 minutes ago Up 2 minutes 0.0.0.0:12345->80/tcp keen_mccarthy
b1aa9b735420 86262685d9ab "/metrics-sidecar" 24 hours ago Up 24 hours k8s_dashboard-metrics-scraper_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_1
646932befa6a registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_dashboard-metrics-scraper-7645f69d8c-92hzc_kubernetes-dashboard_b5bd764b-b520-4450-99d9-aac6c55e8316_2
27a98fe675fc d45bf977dfbf "start_runit" 24 hours ago Up 24 hours k8s_calico-node_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
2bcad372e77e registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.2 "/pause" 24 hours ago Up 24 hours k8s_POD_calico-node-tstnv_kube-system_9f4ae917-7448-4a99-aca2-f7126c768a0a_1
[root@k8s-master01 ~]#
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker cp index.html 6f7256e24436:/usr/share/nginx/html/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker commit -a "guolianggsta" -m "add index.html" 6f7256e24436 nginx:commit
sha256:029ceeabb47df6459ce0745b691a2ef1477e3627ff3371ccffd481534ebe6c47
[root@k8s-master01 ~]#
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# docker run -it --rm nginx:commit bash
root@bab55273616f:/# cd /usr/share/nginx/html/
root@bab55273616f:/usr/share/nginx/html# ls
50x.html index.html
root@bab55273616f:/usr/share/nginx/html# ls -l
total 8
-rw-r--r-- 1 root root 537 Dec 4 2018 50x.html
-rw-r--r-- 1 root root 8 Jun 24 02:32 index.html
root@bab55273616f:/usr/share/nginx/html# docker build在之后的课程讲解
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