情况：
在使用docker企业级私有仓库时，推送镜像到仓库出现如下报错
[root@docker01 docker]# docker push 10.0.0.12/library/alpine:latest The push refers to repository [10.0.0.12/library/alpine] 1bfeebd65323: Preparing denied: requested access to the resource is denied
原因：
在推送镜像到harbor仓库时，需要先登录
方法：
#登录指定harbor仓库地址
[root@docker01 docker]# docker login 10.0.0.12
Username: admin
Password:
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
PS：如果harbor仓库密码忘记可以打开找到密码文件中"YWRtaW46MTIzNDU2"使用base 64位解密
#密码文件存在/root/.docker/config.json.
[root@docker01 .docker]# cat /root/.docker/config.json
{
"auths": {
"10.0.0.12": {
"auth": "YWRtaW46MTIzNDU2"
}
},
"HttpHeaders": {
"User-Agent": "Docker-Client/19.03.6 (linux)"
}
结果：
#重新推送镜像到harbor仓库成功 [root@docker01 docker]# docker push 10.0.0.12/library/alpine:latest The push refers to repository [10.0.0.12/library/alpine] 1bfeebd65323: Pushed latest: digest: sha256:57334c50959f26ce1ee025d08f136c2292c128f84e7b229d1b0da5dac89e9866 size: 528 [root@docker01 docker]#
