我有一个已经存在几个月的EC2实例，我能够在那时使用ssh但是我暂时没有使用它，现在我不能。这是调试输出，在行debug1: Sending env LANG = en_US.UTF-8之后的末尾，它只是无限期地停止。
ssh -vT -i ~/.ssh/lambdaTools-temp.pem ec2-user@ec2-52-3-65-199.compute-1.amazonaws.com
OpenSSH_6.9p1, LibreSSL 2.1.8
debug1: Reading configuration data /Users/nhahn/.ssh/config
debug1: /Users/nhahn/.ssh/config line 1: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 21: Applying options for *
debug1: Connecting to ec2-52-3-65-199.compute-1.amazonaws.com [52.3.65.199] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file /Users/nhahn/.ssh/lambdaTools-temp.pem type -1
debug1: key_load_public: No such file or directory
debug1: identity file /Users/nhahn/.ssh/lambdaTools-temp.pem-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /Users/nhahn/.ssh/SqorAgain.pem type -1
debug1: key_load_public: No such file or directory
debug1: identity file /Users/nhahn/.ssh/SqorAgain.pem-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.9
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6.1
debug1: match: OpenSSH_6.6.1 pat OpenSSH_6.6.1* compat 0x04000000
debug1: Authenticating to ec2-52-3-65-199.compute-1.amazonaws.com:22 as 'ec2-user'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client chacha20-poly1305@openssh.com <implicit> none
debug1: kex: client->server chacha20-poly1305@openssh.com <implicit> none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:Hr+Y5O57rjABvZsydfKZcJmtXdE+cbFF0aZRUUNireU
Warning: Permanently added 'ec2-52-3-65-199.compute-1.amazonaws.com,52.3.65.199' (ECDSA) to the list of known hosts.
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /Users/nhahn/.ssh/lambdaTools-temp.pem
debug1: Authentication succeeded (publickey).
Authenticated to ec2-52-3-65-199.compute-1.amazonaws.com ([52.3.65.199]:22).
debug1: channel 0: new [client-session]
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug1: Sending environment.
debug1: Sending env LANG = en_US.UTF-8
^Cdebug1: channel 0: free: client-session, nchannels 1
Killed by signal 2.
答案 0 :(得分：1)
根据Christian Cerri的评论删除-T命令，它有效。