記錄生活：
配置阿里云鏡像源docker YUM
[root@centos-linux ~]# sudo yum install -y yum-utils device-mapper-persistent-data lvm2
[root@centos-linux ~]# sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
安裝 Docker-CE
[root@centos-linux ~]# sudo yum install docker-ce
啟動docker
# 開機自啟
[root@centos-linux ~]# sudo systemctl enable docker
# 啟動docker服務
[root@centos-linux ~]# sudo systemctl start docker
查看版本
[root@centos-linux ~]# docker -v
Docker version 19.03.8, build afacb8b
查看詳情
[root@centos-linux ~]# docker version
Client: Docker Engine - Community
Version: 19.03.8
API version: 1.40
Go version: go1.12.17
Git commit: afacb8b
Built: Wed Mar 11 01:27:04 2020
OS/Arch: linux/amd64
Experimental: false
Server: Docker Engine - Community
Engine:
Version: 19.03.8
API version: 1.40 (minimum version 1.12)
Go version: go1.12.17
Git commit: afacb8b
Built: Wed Mar 11 01:25:42 2020
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.2.13
GitCommit: 7ad184331fa3e55e52b890ea95e65ba581ae3429
runc:
Version: 1.0.0-rc10
GitCommit: dc9208a3303feef5b3839f4323d9beb36df0a9dd
docker-init:
Version: 0.18.0
GitCommit: fec3683
[root@centos-linux ~]# docker info
Client:
Debug Mode: false
Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 19.03.8
Storage Driver: overlay2
Backing Filesystem:
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
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: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 7ad184331fa3e55e52b890ea95e65ba581ae3429
runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 3.10.0-1062.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 482.4MiB
Name: centos-linux.shared
ID: DFEQ:IXET:QELN:7ZA6:BM6D:5ENE:2TEN:Y3MD:BVOG:KM54:CTAS:IUK4
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
下載centos鏡像，測試
[root@centos-linux ~]# docker pull centos
查看列表
[root@centos-linux ~]# docker images
運行容器，當出現root@《一串數字》表示進入
[root@centos-linux ~]# docker run -it centos /bin/bash
[root@7f32d43c7e53 /]# ls
bin dev etc home lib lib64 lost+found media mnt opt proc root run sbin srv sys tmp usr var
退出容器
exit
查看所有的容器信息， 能獲取容器的id
[root@centos-linux ~]# docker ps -a
docker commit -m=“備注” 你的CONTAINER_ID 你的IMAGE
請自行將 -m 后面的信息改成自己的容器的信息
以及刪除容器命令rmi
[root@centos-linux ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7f32d43c7e53 centos "/bin/bash" 2 minutes ago Exited (0) 27 seconds ago sharp_cohen
[root@centos-linux ~]# docker commit -m='lious' 7f32d43c7e53 centos
sha256:8d75dd2b1d0150decc7c82bc0d3ca467856fefb5c4ec20d4b35f03f61fc7faab
[root@centos-linux ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7f32d43c7e53 470671670cac "/bin/bash" 3 minutes ago Exited (0) About a minute ago sharp_cohen
[root@centos-linux ~]# docker commit -m='lious' 7f32d43c7e53 liousdeimage
sha256:0131fbbdfe2c5589a77356f77406f349c6aa7c3275835a7cdfd94be2a2d2b256
[root@centos-linux ~]# ls
anaconda-ks.cfg original-ks.cfg redis-4.0.2 redis-4.0.2.tar.gz
[root@centos-linux ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7f32d43c7e53 470671670cac "/bin/bash" 5 minutes ago Exited (0) 3 minutes ago sharp_cohen
[root@centos-linux ~]# docker commit -m='備注' 7f32d43c7e53 470671670cac
sha256:c003336be27108c9c2485ae43b02587b224d02b4a3ac79c7f46227bc22c6bc4d
[root@centos-linux ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
470671670cac latest c003336be271 13 seconds ago 237MB
liousdeimage latest 0131fbbdfe2c About a minute ago 237MB
centos latest 8d75dd2b1d01 3 minutes ago 237MB
centos 470671670cac 3 months ago 237MB
[root@centos-linux ~]# docker rmi 470671670cac:latest
Untagged: 470671670cac:latest
Deleted: sha256:c003336be27108c9c2485ae43b02587b224d02b4a3ac79c7f46227bc22c6bc4d
[root@centos-linux ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
liousdeimage latest 0131fbbdfe2c 2 minutes ago 237MB
centos latest 8d75dd2b1d01 4 minutes ago 237MB
centos 470671670cac 3 months ago 237MB
