我在 Ubuntu AWS 实例下运行 Rails + Passenger。现在我尝试使用 Capistrano 进行部署，我已经创建了 git 存储库（并将其上传到服务器）和 deploy.rb 文件（使用 capify .）。我已经运行cap deploy:setup并cap deploy:check成功。但现在当我尝试运行时，cap deploy它失败了，我收到此错误：
* executing `deploy:migrations'
* executing `deploy:update_code'
updating the cached checkout on all servers
executing locally: "git ls-remote [email protected]:git/proyecto.git master"
command finished in 1651ms
* executing "if [ -d /var/www/proyecto.flasheves.com/shared/cached-copy ]; then cd /var/www/proyecto.flasheves.com/shared/cached-copy && git fetch origin && git reset --hard ef3ba849cd27aea4c2f6d372f47c027f495b8a4f && git clean -d -x -f; else git clone [email protected]:git/proyecto.git /var/www/proyecto.flasheves.com/shared/cached-copy && cd /var/www/proyecto.flasheves.com/shared/cached-copy && git checkout -b deploy ef3ba849cd27aea4c2f6d372f47c027f495b8a4f; fi"
servers: ["proyecto.flasheves.com"]
[proyecto.flasheves.com] executing command
** [proyecto.flasheves.com :: out] Initialized empty Git repository in /var/www/proyecto.flasheves.com/shared/cached-copy/.git/
** [proyecto.flasheves.com :: err] Host key verification failed.
** [proyecto.flasheves.com :: err] fatal: The remote end hung up unexpectedly
command finished in 355ms
failed: "sh -c 'if [ -d /var/www/proyecto.flasheves.com/shared/cached-copy ]; then cd /var/www/proyecto.flasheves.com/shared/cached-copy && git fetch origin && git reset --hard ef3ba849cd27aea4c2f6d372f47c027f495b8a4f && git clean -d -x -f; else git clone [email protected]:git/proyecto.git /var/www/proyecto.flasheves.com/shared/cached-copy && cd /var/www/proyecto.flasheves.com/shared/cached-copy && git checkout -b deploy ef3ba849cd27aea4c2f6d372f47c027f495b8a4f; fi'" on proyecto.flasheves.com
答案1
删除部署服务器的 ec2.flasheves.com 条目~/.ssh/known_hosts，看起来 ec2.flasheves.com 上的主机密钥已更改，并且 ssh 正在终止连接，因为它可能是一种劫持。
http://www.symantec.com/connect/articles/ssh-host-key-protection