我有一台 Ubuntu 服务器，到目前为止运行良好。我无法通过 SSH 进入服务器并收到以下错误：
Connecting to [email protected]...
OpenSSH_7.8p1, OpenSSL 1.0.2k 26 Jan 2017
debug2: resolve_canonicalize: hostname 10.10.0.6 is address
debug2: ssh_connect_direct
debug1: Connecting to 10.10.0.6 [10.10.0.6] port 22.
debug1: Connection established.
debug1: getpeername failed: No such file or directory
debug1: identity file /.ssh/id_rsa type -1
debug1: identity file /.ssh/id_rsa-cert type -1
debug1: identity file /.ssh/id_dsa type -1
debug1: identity file /.ssh/id_dsa-cert type -1
debug1: identity file /.ssh/id_ecdsa type -1
debug1: identity file /.ssh/id_ecdsa-cert type -1
debug1: identity file /.ssh/id_ed25519 type -1
debug1: identity file /.ssh/id_ed25519-cert type -1
debug1: identity file /.ssh/id_xmss type -1
debug1: identity file /.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.8
ssh_exchange_identification: Connection closed by remote host
我还尝试登录同一网络上的另一台计算机，并从该计算机通过 ssh 进入 Ubuntu 服务器，但仍然不起作用。您知道可能发生了什么问题以及如何解决吗？
答案1
您可能需要直接登录服务器并生成您的 ssh 密钥：
$ ssh-keygen
这将询问一些问题，以便您可以设置您的密钥。
在您的客户端机器上也执行此操作。
还有更多信息这里。
您可能还需要重新安装 openssh：
$ sudo apt install --reinstall openssh-server openssh-client