1、從遠(yuǎn)程倉(cāng)庫(kù)查看所需鏡像

[root@localhost docker]# docker search centos8

NAME???????????????????????????????? DESCRIPTION???????????????????????????????????? STARS?????????????? OFFICIAL??????????? AUTOMATED

thinakar/centos8???????????????????? centos8 core with net-utils, vim, sshuttle????? 0

memiiso/centos8-java8python3docker?? centos8-java8python3docker????????????????????? 0

memiiso/centos8-java8python3???????? centos8 With java8 and python3????????????????? 0

nmstate/centos8-nmstate-dev????????????????????????????????????????????????????????? 0

prestocpp/centos8-gcc9?????????????????????????????????????????????????????????????? 0

wuykimpang/centos8-extended????????????????????????????????????????????????????????? 0

memiiso/centos8-java8??????????????? centos8-java8?????????????????????????????????? 0

alekseychudov/centos8-systemd??????? CentOS 8 based systemd image??????????????????? 0

sharpreflections/centos8-build?????? CentOS8 with development tools????????????????? 0

ydli/centos8???????????????????????? centos8.2 with ansible-2.9.10, awscli-1.18.8…?? 0

vglad/centos8??????????????????????? Based on official latest CentOS 8 image with…?? 0

8378006361/centos8.2.2004??????????????????????????????????????????????????????????? 0

loging/centos8-python37????????????? centos8 + python3.7.5?????????????????????????? 0

krestomatio/centos8-minimal????????? Testing a Centos 8 minimal container image l…?? 0

2、從遠(yuǎn)程倉(cāng)庫(kù)拉取所需鏡像

[root@localhost docker]# docker pull alekseychudov/centos8-systemd

Using default tag: latest

latest: Pulling from alekseychudov/centos8-systemd

2b7820d659b3: Pull complete

Digest: sha256:a03592eb8be9af3c6c910d209b7d231a4aee19d42c72082ec6a3b021f323516b

Status: Downloaded newer image for alekseychudov/centos8-systemd:latest

docker.io/alekseychudov/centos8-systemd:latest

3、查看下載到本地鏡像

[root@localhost docker]# docker images

REPOSITORY????????????????????? TAG???????????????? IMAGE ID??????????? CREATED???????????? SIZE

mysql?????????????????????????? latest????????????? e3fcc9e1cc04??????? 12 days ago???????? 544MB

osism/kolla-ansible???????????? queens-latest?????? cfb5bad016bd??????? 5 months ago??????? 302MB

alekseychudov/centos8-systemd?? latest??????????? e13569384aea??????? 6 months ago??????? 256MB

4、創(chuàng)建容器

[root@localhost docker]# docker run -dit --name=centospy3 e13569384aea /bin/bash

7424ba3acdd87e4d65e8a3635914acf8152a745ec019e1f4cbd8873cd26f7f47

5、查看創(chuàng)建容器

[root@localhost docker]# docker ps -a

CONTAINER ID??????? IMAGE?????????????? COMMAND???????????? CREATED???????????? STATUS????????????? PORTS?????????????? NAMES

7424ba3acdd8??????? e13569384aea??????? "/bin/bash"???????? 2 minutes ago?????? Up 2 minutes??????????????????????????? centospy3

6、進(jìn)入容器

[root@localhost docker]# docker exec -it centospy3 /bin/bash

[root@7424ba3acdd8 /]#

故障1：客戶機(jī)192.168.10.103與docker本地倉(cāng)庫(kù)192.168.10.102網(wǎng)絡(luò)不通；

[root@localhost docker]# docker push 192.168.10.102:5000/client102-hello-world

The push refers to repository [192.168.10.102:5000/client102-hello-world]

Gethttps://192.168.10.102:5000/v2/: dial tcp 192.168.10.102:5000: connect: no route to host

解決辦法：查看網(wǎng)卡接口是否打開

[root@localhost docker]# nmcli connection

NAME???? UUID????????????????????????????????? TYPE????? DEVICE

ens33??? c96bc909-188e-ec64-3a96-6a90982b08ad? ethernet? ens33

ens34?? ?94aea789-efb3-ef4c-81b0-e8b18ecc9797? ethernet? ens34

docker0? 9fd5b1df-f8fc-4a54-a9b3-59119a6838ce? bridge??? docker0

[root@localhost docker]# nmcli c up ens33

Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/7)

故障2：docker本地倉(cāng)庫(kù)的端口5000沒(méi)有開啟，通過(guò)本地防火墻開放端口

[root@localhost ~]# firewall-cmd --get-active-zones

查看防火墻活動(dòng)區(qū)域

public

interfaces: ens33 ens34

[root@localhost ~]# firewall-cmd --zone=public --list-ports

查看防火墻的已開放端口

5000/tcp

[root@localhost ~]# firewall-cmd --zone=public? --add-port=5000/tcp --permanent

在public區(qū)域開放端口5000

success

[root@localhost ~]# firewall-cmd --zone=public --query-port=5000/tcp

查看端口5000是否開放

yes

[root@localhost ~]# firewall-cmd --reload

重啟軟件防火墻

Success

[root@localhost ~]# systemctl restart firewalld.service

重啟防火墻服務(wù)

故障3：報(bào)錯(cuò)“ http: server gave HTTP response to HTTPS client”

解決辦法：

[root@localhost /]# vim /etc/docker/daemon.json

{

"insecure-registries": ["192.168.10.102:4000"]

設(shè)定非安全注冊(cè)為http

}

總結(jié)

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