微信开发中 ACCESS TOKEN 过期失效的解决方案详解
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2022-09-04
Docker容器管理
Docker容器管理
一、Docker安装
[root@docker ~]# cat /etc/redhat-release CentOS Linux release 8.5.2111[root@docker ~]# wget ~]# mv docker-ce.repo /etc/yum.repos.d/[root@docker ~]# yum install -y docker-ce问题: 软件包 docker-ce-3:20.10.17-3.el8.x86_64 需要 containerd.io >= 1.4.1，但没有提供者可以被安装 - 安装的软件包的问题 buildah-1.22.3-2.module_el8.5.0+911+f19012f9.x86_64 - 软件包 buildah-1.22.3-2.module_el8.5.0+911+f19012f9.x86_64 需要 runc >= 1.0.0-26，但没有提供者可以被安装 - 无法为该任务安装最佳候选 - 软件包 runc-1.0.0-56.rc5.dev.git2abd837.module_el8.3.0+569+1bada2e4.x86_64 被模块过滤过滤掉 - 软件包 runc-1.0.0-66.rc10.module_el8.5.0+1004+c00a74f5.x86_64 被模块过滤过滤掉 - 软件包 runc-1.0.0-72.rc92.module_el8.5.0+1006+8d0e68a2.x86_64 被模块过滤过滤掉(尝试在命令行中添加 '--allowerasing' 来替换冲突的软件包 或 '--skip-broken' 来跳过无法安装的软件包 或 '--nobest' 来不只使用软件包的最佳候选)[root@docker yum.repos.d]# yum erase runc# yum install docker-ce -y#启动Docker服务[root@docker /]# systemctl enable docker[root@docker /]# systemctl start docker#查看Docker版本及启动状态[root@docker /]# docker -vDocker version 20.10.17, build 100c701[root@docker /]# docker versionClient: Docker Engine - Community Version: 20.10.17 API version: 1.41 Go version: go1.17.11 Git commit: 100c701 Built: Mon Jun 6 23:03:11 2022 OS/Arch: linux/amd64 Context: default Experimental: trueServer: Docker Engine - Community Engine: Version: 20.10.17 API version: 1.41 (minimum version 1.12) Go version: go1.17.11 Git commit: a89b842 Built: Mon Jun 6 23:01:29 2022 OS/Arch: linux/amd64 Experimental: false containerd: Version: 1.6.6 GitCommit: 10c12954828e7c7c9b6e0ea9b0c02b01407d3ae1 runc: Version: 1.1.2 GitCommit: v1.1.2-0-ga916309 docker-init: Version: 0.19.0 GitCommit: de40ad0#查看Docker运行状态[root@docker /]# docker infoClient: Context: default Debug Mode: false Plugins: app: Docker App (Docker Inc., v0.9.1-beta3) buildx: Docker Buildx (Docker Inc., v0.8.2-docker) scan: Docker Scan (Docker Inc., v0.17.0)Server: Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 0 Server Version: 20.10.17 Storage Driver: overlay2 Backing Filesystem: xfs Supports d_type: true Native Overlay Diff: true userxattr: false Logging Driver: json-file Cgroup Driver: cgroupfs Cgroup Version: 1 Plugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog Swarm: inactive Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc Default Runtime: runc Init Binary: docker-init containerd version: 10c12954828e7c7c9b6e0ea9b0c02b01407d3ae1 runc version: v1.1.2-0-ga916309 init version: de40ad0 Security Options: seccomp Profile: default Kernel Version: 4.18.0-348.el8.x86_64 Operating System: CentOS Linux 8 OSType: linux Architecture: x86_64 CPUs: 4 Total Memory: 782MiB Name: docker ID: RKJE:I7BN:MCMM:VETL:XDH4:Y2JJ:QVSN:JUYV:IOOT:YJY3:V5XC:ZFQE Docker Root Dir: /var/lib/docker Debug Mode: false Registry: Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false
二、Docker容器管理
#创建容器但不启动[root@docker ~]# docker create -it --name "nginx01" b692 /bin/bash f55c1a5e9969950bb720a2a4602ecd3092acbee0ab46ce63a177b68ec39d517d#查看运行状态的容器[root@docker ~]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES4df23d8bbe6e daocloud.io/library/centos "/bin/bash" 2 hours ago Up 2 hours test#查看所有容器[root@docker ~]# docker ps -aCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESf55c1a5e9969 b692 "/docker-entrypoint.…" 33 seconds ago Created nginx014df23d8bbe6e daocloud.io/library/centos "/bin/bash" 2 hours ago Up 2 hours test57246e6387d4 daocloud.io/library/centos:5 "/bin/bash" 3 hours ago Created wizardly_wiles#启动容器[root@docker ~]# docker start nginx01nginx01[root@docker ~]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESf55c1a5e9969 b692 "/docker-entrypoint.…" About a minute ago Up 4 seconds 80/tcp nginx014df23d8bbe6e daocloud.io/library/centos "/bin/bash" 2 hours ago Up 2 hours test#创建并在后台运行一个容器 [root@docker ~]# docker run -itd --name="nginx02" --restart=always b692 /bin/bash #查看容器详细信息[root@docker ~]# docker inspect nginx02#bash进程覆盖掉了nginx进程[root@docker ~]# curl 172.17.0.4curl: (7) Failed to connect to 172.17.0.4 port 80: 拒绝连接#创建nginx03容器，并进入该容器[root@docker ~]# docker run -it --name="nginx03" --restart=always b692 /bin/bash root@cdacff99decd:/# exit #**断开与容器的连接且关闭容器**exit#创建nginx04容器，并进入该容器[root@docker ~]# docker run -it --name="nginx04" --restart=always b692 /bin/sh [root@docker ~]# docker run -it --name="nginx05" --restart=always b692 [root@docker ~]# docker run -itd --name="nginx06" --restart=always b692 4c9ea1c7397b7afd5e2ce09a4d71e6cc0fd819c487979e6ec9876fbe312ac0f7[root@docker ~]# docker inspect nginx06...........[root@docker ~]# curl 172.17.0.8
Welcome to nginx!
If you see this page, the nginx web server is successfully installed andworking. Further configuration is required.
For online documentation and support please refer to
#查看容器[root@docker ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES4c9ea1c7397b b692 "/docker-entrypoint.…" 2 minutes ago Up 2 minutes 80/tcp nginx06ae1b5d52e919 b692 "/docker-entrypoint.…" 3 minutes ago Up 2 minutes 80/tcp nginx055fad20bffc57 b692 "/docker-entrypoint.…" 6 minutes ago Up 4 minutes 80/tcp nginx04cdacff99decd b692 "/docker-entrypoint.…" 12 minutes ago Up 7 minutes 80/tcp nginx0385018f0878a8 b692 "/docker-entrypoint.…" 16 minutes ago Up 16 minutes 80/tcp nginx02f55c1a5e9969 b692 "/docker-entrypoint.…" 28 minutes ago Up 25 minutes 80/tcp nginx014df23d8bbe6e daocloud.io/library/centos "/bin/bash" 3 hours ago Up 3 hours test#查看所有容器[root@docker ~]# docker ps -a#只查看容器id[root@docker ~]# docker ps -a -q4c9ea1c7397bae1b5d52e9195fad20bffc57cdacff99decd85018f0878a8f55c1a5e99694df23d8bbe6e57246e6387d4#查看镜像id[root@docker ~]# docker images -qb692a91e4e155d0da3dc9764300e315adb2f1ae98b2c895d#最近一次启动的容器[root@docker ~]# docker ps -lCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES4cea1c7397b b692 "/docker-entrypoint.…" 7 minutes ago Up 7 minutes 80/tcp nginx06#查看容器信息[root@docker ~]# docker inspect b692#查看容器IP[root@docker ~]# docker inspect --format='{{.NetworkSettings.IPAddress}}' nginx06172.17.0.8#启动容器[root@docker ~]# docker start nginx01nginx01#正常关闭容器[root@docker ~]# docker stop nginx01#强制关闭容器[root@docker ~]# docker kill nginx01#关闭所有running状态的容器[root@docker ~]# docker kill $(docker ps -q)#删除容器[root@docker ~]# docker rm nginx01[root@docker ~]# docker rm f55c#根据状态删除所有容器[root@qfedu.com ~]# docker rm $(docker ps -qf status=exited)#重启容器[root@docker ~]# docker restart nginx01#暂停容器[root@docker ~]# docker pause nginx01 #恢复容器[root@docker ~]# docker unpause nginx01 #rename修改容器名称[root@docker ~]# docker rename nginx01 nginx[root@docker ~]# docker pause nginxnginx#inspect查看容器详细信息[root@docker ~]# docker inspect --format='{{.State.Status}}' nginxpaused[root@docker ~]# docker unpause nginxnginx[root@docker ~]# docker inspect --format='{{.State.Status}}' nginxrunning[root@docker ~]# docker inspect --format='{{.NetworkSettings.Ports}}' nginx01 map[80/tcp:[]][root@docker ~]# docker inspect --format='{{.NetworkSettings.MacAddress}}' nginx01 02:42:ac:11:00:08[root@docker ~]# docker rm f55cError response from daemon: You cannot remove a running container f55c1a5e9969950bb720a2a4602ecd3092acbee0ab46ce63a177b68ec39d517d. Stop the container before attempting removal or force remove#强制删除容器[root@docker ~]# docker rm f55c -f #创建容器[root@docker ~]# docker run -itd --name "nginx07" -p 8000:80 --restart=always b6925f6807061772d2d1a2aa3d5bbaedd2ebbea40a5267e1caf4d9fe7c75ca383fd2[root@docker ~]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES5f6807061772 b692 "/docker-entrypoint.…" 26 seconds ago Up 22 seconds 0.0.0.0:8000->80/tcp, :::8000->80/tcp nginx074c9ea1c7397b b692 "/docker-entrypoint.…" 13 hours ago Up 2 hours 80/tcp nginx06ae1b5d52e919 b692 "/docker-entrypoint.…" 13 hours ago Up 2 hours 80/tcp nginx055fad20bffc57 b692 "/docker-entrypoint.…" 13 hours ago Up 2 hours 80/tcp nginx04cdacff99decd b692 "/docker-entrypoint.…" 13 hours ago Up 2 hours 80/tcp nginx0385018f0878a8 b692 "/docker-entrypoint.…" 13 hours ago Up 2 hours 80/tcp nginx02f55c1a5e9969 b692 "/docker-entrypoint.…" 13 hours ago Up 14 minutes 80/tcp nginx014df23d8bbe6e daocloud.io/library/centos "/bin/bash" 15 hours ago Up 2 hours test#port输出容器端口与宿主机端口的映射情况[root@docker ~]# docker port nginx0780/tcp -> 0.0.0.0:800080/tcp -> :::8000[root@docker ~]# docker run -itd --name "nginx08" -p 8000:80 --restart=always b692 /bin/bash afbb3ccf057e42ebc81edac37f138bc3a4d0893fc9007e5349eb4710ec88af98docker: Error response from daemon: driver failed programming external connectivity on endpoint nginx08 (75274dd02fcb34bae6066d5b4a381f18c005b0dbc0c43169dc9e749b377c15c2): Bind for 0.0.0.0:8000 failed: port is already allocated.#连接容器#方法一 attach,容器创建时必须指定了交互shell[root@docker ~]# docker attach nginx01root@f55c1a5e9969:/# exitexit[root@docker ~]# docker attach nginx02root@85018f0878a8:/# exitexit[root@docker ~]# docker attach nginx03root@cdacff99decd:/# exitexit[root@docker ~]# docker attach nginx04#方法二 exec#交互型任务[root@docker ~]# docker exec -it nginx01 /bin/bashError response from daemon: Container f55c1a5e9969950bb720a2a4602ecd3092acbee0ab46ce63a177b68ec39d517d is not running[root@docker ~]# docker start nginx01nginx01[root@docker ~]# docker exec -it nginx01 /bin/bashroot@f55c1a5e9969:/# lsbin dev docker-entrypoint.sh home lib64 mnt proc run srv tmp varboot docker-entrypoint.d etc lib media opt root sbin sys usrroot@f55c1a5e9969:/# #后台型任务[root@docker ~]# docker exec -it nginx01 touch /linux #查看执行情况[root@docker ~]# docker exec -it nginx01 /bin/bash root@f55c1a5e9969:/# lsbin dev docker-entrypoint.sh home lib64 media opt root sbin sys tmp varboot docker-entrypoint.d etc lib linux mnt proc run srv testfile usrroot@f55c1a5e9969:/# #查看容器运行的日志[root@docker ~]# docker logs nginx03#查看容器进程[root@docker ~]# docker top nginx06UID PID PPID C STIME TTY TIME CMDroot 5215 5196 0 21:54 pts/0 00:00:00 nginx: master process nginx -g daemon off;101 5260 5215 0 21:54 pts/0 00:00:00 nginx: worker process101 5261 5215 0 21:54 pts/0 00:00:00 nginx: worker process101 5262 5215 0 21:54 pts/0 00:00:00 nginx: worker process101 5263 5215 0 21:54 pts/0 00:00:00 nginx: worker process#实时输出Docker服务器端的事件，包括容器的创建，启动，关闭等。[root@docker ~]# docker start nginx01[root@docker ~]# docker events[root@docker ~]# docker wait nginx01137# diff 看容器内发生改变的文件root@f55c1a5e9969:/# touch skyboy[root@docker ~]# docker diff nginx01C /rootA /root/.bash_historyA /skyboyA /testfileA /linux#宿主机和容器之间相互Copy文件#容器[root@docker ~]# docker exec -it nginx01 /bin/bashroot@f55c1a5e9969:/# lsbin dev docker-entrypoint.sh home lib64 media opt root sbin srv testfile usrboot docker-entrypoint.d etc lib linux mnt proc run skyboy sys tmp varroot@f55c1a5e9969:/# echo 'I am study docker' > skyboyroot@f55c1a5e9969:/# cat skyboy I am study docker#宿主机[root@docker ~]# docker cp nginx01:/skyboy /root [root@docker ~]# cat /root/skyboy I am study docker#宿主机[root@docker ~]# mv /root/skyboy /root/docker[root@docker ~]# docker cp /root/docker nginx01:/#容器root@f55c1a5e9969:/# lsa.txt boot docker docker-entrypoint.sh home lib64 media opt root sbin srv testfile usrbin dev docker-entrypoint.d etc root@f55c1a5e9969:/# cat dockerI am study docker三、Docker查看容器信息：格式化后
# 格式化：镜像，ID，端口号，状态[root@docker ~]# docker ps -a --format "table{{.Image}}\t{{.ID}}\t{{.Ports}}\t{{.Status}}"IMAGE CONTAINER ID PORTS STATUSdocker/getting-started 52bca3c677d4 0.0.0.0:8888->80/tcp, :::8888->80/tcp Up 39 minutesnginx:v11 f9710e015aa0 Exited (0) 41 minutes agocentos:v1 8acf7c7d3bbb Exited (1) 51 minutes agocentos:v1 9fe612ae824e Exited (127) 59 minutes agonginx:v1 bc2930aedb34 Exited (0) 28 hours agob692 82904f65698d 80/tcp Up 2 hoursb692 5f6807061772 0.0.0.0:8000->80/tcp, :::8000->80/tcp Up 2 hoursb692 4c9ea1c7397b 80/tcp Up 2 hoursb692 ae1b5d52e919 80/tcp Up 2 hoursb692 5fad20bffc57 80/tcp Up 2 hoursb692 cdacff99decd 80/tcp Up 2 hoursb692 85018f0878a8 80/tcp Up 2 hoursb692 f55c1a5e9969 Exited (137) 28 hours agodaocloud.io/library/centos 4df23d8bbe6e Up 2 hoursdaocloud.io/library/centos:5 57246e6387d4 Created#列出正在运行的容器[root@docker ~]# docker ps -a -f "status=running"CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES52bca3c677d4 docker/getting-started "/docker-entrypoint.…" 40 minutes ago Up 40 minutes 0.0.0.0:8888->80/tcp, :::8888->80/tcp zen_morse82904f65698d b692 "/docker-entrypoint.…" 30 hours ago Up 2 hours 80/tcp nginx085f6807061772 b692 "/docker-entrypoint.…" 30 hours ago Up 2 hours 0.0.0.0:8000->80/tcp, :::8000->80/tcp nginx074c9ea1c7397b b692 "/docker-entrypoint.…" 42 hours ago Up 2 hours 80/tcp nginx06ae1b5d52e919 b692 "/docker-entrypoint.…" 42 hours ago Up 2 hours 80/tcp nginx055fad20bffc57 b692 "/docker-entrypoint.…" 42 hours ago Up 2 hours 80/tcp nginx04cdacff99decd b692 "/docker-entrypoint.…" 42 hours ago Up 2 hours 80/tcp nginx0385018f0878a8 b692 "/docker-entrypoint.…" 42 hours ago Up 2 hours 80/tcp nginx024df23d8bbe6e daocloud.io/library/centos "/bin/bash" 45 hours ago Up 2 hours test#列出已经退出的容器[root@docker ~]# docker ps -a -f "status=exited"CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESf9710e015aa0 nginx:v11 "/docker-entrypoint.…" 43 minutes ago Exited (0) 43 minutes ago lucid_ramanujan8acf7c7d3bbb centos:v1 "/bin/bash" 59 minutes ago Exited (1) 54 minutes ago charming_gagarin9fe612ae824e centos:v1 "/bin/bash" About an hour ago Exited (127) About an hour ago keen_rosalindbc2930aedb34 nginx:v1 "/bin/bash" 28 hours ago Exited (0) 28 hours ago eloquent_mccarthyf55c1a5e9969 b692 "/docker-entrypoint.…" 43 hours ago Exited (137) 28 hours ago nginx01#获取单个容器IDdocker inspect --format '{{ .NetworkSettings.IPAddress }}'
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