docker 的实践操作
Posted rdchenxi
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查看版本信息
[[email protected] ~]# docker version Client: Version: 18.09.6 API version: 1.39 Go version: go1.10.8 Git commit: 481bc77156 Built: Sat May 4 02:34:58 2019 OS/Arch: linux/amd64 Experimental: false Server: Docker Engine - Community Engine: Version: 18.09.7 API version: 1.39 (minimum version 1.12) Go version: go1.10.8 Git commit: 2d0083d Built: Thu Jun 27 17:26:28 2019 OS/Arch: linux/amd64 Experimental: false
查看帮助
Flag shorthand -h has been deprecated, please use --help
Usage: docker [OPTIONS] COMMAND
A self-sufficient runtime for containers
Options:
--config string Location of client config files (default "/root/.docker")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) to connect to
-l, --log-level string Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default "/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default "/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default "/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Management Commands: 最新版本命令分组
builder Manage builds
config Manage Docker configs
container Manage containers
engine Manage the docker engine
image Manage images
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
commit Create a new image from a container‘s changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
diff Inspect changes to files or directories on a container‘s filesystem
events Get real time events from the server
exec Run a command in a running container
export Export a container‘s filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
login Log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
Run ‘docker COMMAND --help‘ for more information on a command.
查看docker信息；https://www.cnblogs.com/rdchenxi/p/10674479.html 存储驱动相关信息
[[email protected] ~]# docker info Containers: 0 所有容器 Running: 0 运行状态的容器 Paused: 0 暂停状态 Stopped: 0 停止状态 Images: 0 容器镜像的个数 Server Version: 18.09.7 版本 Storage Driver: overlay2 存储驱动 Backing Filesystem: xfs Supports d_type: true Native Overlay Diff: true Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: bb71b10fd8f58240ca47fbb579b9d1028eea7c84 runc version: 2b18fe1d885ee5083ef9f0838fee39b62d653e30 init version: fec3683 Security Options: seccomp Profile: default Kernel Version: 3.10.0-957.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 2 Total Memory: 3.683GiB Name: k8s-1 ID: JIYY:UFEX:ANGL:JOPR:VKFT:V6HG:LRY7:KWUY:36KV:JSAK:U7QY:54YF Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Registry Mirrors: http://f1361db2.m.daocloud.io/ Live Restore Enabled: false Product License: Community Engine WARNING: bridge-nf-call-iptables is disabled WARNING: bridge-nf-call-ip6tables is disabled
搜索镜像
[[email protected] ~]# docker search nginx NAME DESCRIPTION STARS OFFICIAL AUTOMATED nginx Official build of Nginx. 11654 [OK] jwilder/nginx-proxy Automated Nginx reverse proxy for docker con… 1623 [OK] richarvey/nginx-php-fpm Container running Nginx + PHP-FPM capable of… 724 [OK] bitnami/nginx Bitnami nginx Docker Image 68 [OK] linuxserver/nginx An Nginx container, brought to you by LinuxS… 65 tiangolo/nginx-rtmp Docker image with Nginx using the nginx-rtmp… 48 [OK] nginx/nginx-ingress NGINX Ingress Controller for Kubernetes 20 nginxdemos/hello NGINX webserver that serves a simple page co… 17 [OK] schmunk42/nginx-redirect A very simple container to redirect HTTP tra… 17 [OK] jlesage/nginx-proxy-manager Docker container for Nginx Proxy Manager 16 [OK] crunchgeek/nginx-pagespeed Nginx with PageSpeed + GEO IP + VTS + more_s… 13 blacklabelops/nginx Dockerized Nginx Reverse Proxy Server. 12 [OK] centos/nginx-18-centos7 Platform for running nginx 1.8 or building n… 11 centos/nginx-112-centos7 Platform for running nginx 1.12 or building … 9 webdevops/nginx Nginx container 8 [OK] nginxinc/nginx-unprivileged Unprivileged NGINX Dockerfiles 7 sophos/nginx-vts-exporter Simple server that scrapes Nginx vts stats a… 5 [OK] 1science/nginx Nginx Docker images that include Consul Temp… 4 [OK] nginx/nginx-prometheus-exporter NGINX Prometheus Exporter 4 mailu/nginx Mailu nginx frontend 3 [OK] travix/nginx NGinx reverse proxy 2 [OK] pebbletech/nginx-proxy nginx-proxy sets up a container running ngin… 2 [OK] wodby/nginx Generic nginx 0 [OK] ansibleplaybookbundle/nginx-apb An APB to deploy NGINX 0 [OK] centos/nginx-110-centos7 Platform for running nginx 1.10 or building … 0
下载镜像操作
[[email protected] ~]# docker pull centos # 镜像下载 Using default tag: latest latest: Pulling from library/centos 8ba884070f61: Pull complete Digest: sha256:ca58fe458b8d94bc6e3072f1cfbd334855858e05e1fd633aa07cf7f82b048e66 Status: Downloaded newer image for centos:latest [[email protected] ~]# docker image pull tomcat #镜像下载 Using default tag: latest latest: Pulling from library/tomcat 6f2f362378c5: Pull complete 494c27a8a6b8: Pull complete 7596bb83081b: Pull complete 372744b62d49: Pull complete fb72767f9beb: Pull complete 3fe571af508a: Pull complete 3e6725074325: Pull complete 9ffd5dadda90: Pull complete 846896c59095: Pull complete cfe9a252095d: Pull complete Digest: sha256:fdc521aa1113dc07e386fa55e69670b76130a7d9490094acd52e9d4f4218e9e1 Status: Downloaded newer image for tomcat:latest
查看本机镜像
[[email protected] ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE tomcat latest 7123ec940c88 2 days ago 510MB nginx latest f68d6e55e065 4 days ago 109MB centos latest 9f38484d220f 3 months ago 202MB [[email protected] ~]# docker image ls REPOSITORY TAG IMAGE ID CREATED SIZE tomcat latest 7123ec940c88 2 days ago 510MB nginx latest f68d6e55e065 4 days ago 109MB centos latest 9f38484d220f 3 months ago 202MB
删除镜像
[[email protected] ~]# docker image rm centos Untagged: centos:latest Untagged: [email protected]:ca58fe458b8d94bc6e3072f1cfbd334855858e05e1fd633aa07cf7f82b048e66 Deleted: sha256:9f38484d220fa527b1fb19747638497179500a1bed8bf0498eb788229229e6e1 Deleted: sha256:d69483a6face4499acb974449d1303591fcbb5cdce5420f36f8a6607bda11854 [[email protected] ~]# docker rmi nginx:latest Untagged: nginx:latest Untagged: [email protected]:3abaed99ee6cb6140cb10110422cf1ece83c49ad63f7c27708994fceda565e80 Deleted: sha256:f68d6e55e06520f152403e6d96d0de5c9790a89b4cfc99f4626f68146fa1dbdc Deleted: sha256:1b0c768769e2bb66e74a205317ba531473781a78b77feef8ea6fd7be7f4044e1 Deleted: sha256:34138fb60020a180e512485fb96fd42e286fb0d86cf1fa2506b11ff6b945b03f Deleted: sha256:cf5b3c6798f77b1f78bf4e297b27cfa5b6caa982f04caeb5de7d13c255fd7a1e [[email protected] ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE tomcat latest 7123ec940c88 2 days ago 510MB
容器的操作
[[email protected] ~]# docker container Usage: docker container COMMAND Manage containers Commands: attach Attach local standard input, output, and error streams to a running container commit Create a new image from a container‘s changes cp Copy files/folders between a container and the local filesystem create Create a new container diff Inspect changes to files or directories on a container‘s filesystem exec Run a command in a running container export Export a container‘s filesystem as a tar archive inspect Display detailed information on one or more containers kill Kill one or more running containers logs Fetch the logs of a container ls List containers pause Pause all processes within one or more containers port List port mappings or a specific mapping for the container prune Remove all stopped containers rename Rename a container restart Restart one or more containers rm Remove one or more containers run Run a command in a new container start Start one or more stopped containers stats Display a live stream of container(s) resource usage statistics stop Stop one or more running containers top Display the running processes of a container unpause Unpause all processes within one or more containers update Update configuration of one or more containers wait Block until one or more containers stop, then print their exit codes Run ‘docker container COMMAND --help‘ for more information on a command.
查看本机容器
[[email protected] ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES [[email protected] ~]# docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
启动一个容器
[[email protected] ~]# docker run --name b1 -it busybox # 交互进入 / #
查看本机docker网络
[[email protected] ~]# docker network ls NETWORK ID NAME DRIVER SCOPE 62a3329169cf bridge bridge local fe7f27a4396a host host local d72117fcea57 none null local
查看容器日志
[[email protected] ~]# docker container logs nginx
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