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git clone 错误：ssh_exchange_identification：远程主机关闭连接

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git clone 错误：ssh_exchange_identification：远程主机关闭连接

gitlab9.3.9 升级到 11.9，git pull 或 git clone 不起作用

我的环境：
docker-compose.yaml

web:
   image: 'gitlab-ce:11.9.1-ce.0'  
   container_name: gitlab_web
   restart: always
   hostname: 'gitlabweb'
   environment:
     GITLAB_OMNIBUS_CONFIG: |
        external_url 'http://cicd.poc.com:8081'
        gitlab_rails['time_zone'] = 'Asia/Shanghai'  
        gitlab_rails['admin_email_worker_cron'] = "0 0 * 0 *"
        gitlab_rails['gitlab_shell_ssh_port'] = 8081
    nginx['listen_port'] = 8081 
   ports:
     - '8081:8081'
   volumes:
     - './git_data:/var/opt/gitlab'
     - './gitconfig:/etc/gitlab'
     - './git_log:/var/log/gitlab'

在我的客户端 PC 或服务器的容器(gitlab_web)中尝试：
重新创建我的 ssh 密钥并 rm ~/.ssh/known_hosts ，但 git pull 或 clone 问题仍然存在：

$ git clone ssh://[email protected]:8081/poc/53.git
Cloning into '53'...
ssh_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

请求帮忙

答案1

修复：
服务器工作：
1.将Gitlab服务器主机SSH端口从22更改为222并重新启动ssh服务

$vi /etc/ssh/sshd_config
$/etc/init.d/ssh restart
  1. docker-compose.yaml 添加 ssh 端口 22
ports:
  - '8081:8081'
  - '22:22'
  1. docker-compose down
  2. docker-compose up -d

客户工作：

delete ~/.ssh/known_hosts

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