我已经成功设置了 ubuntu 实例。
我通过 ssh 进入并安装了 LAMP 堆栈和 Composer。
第二天晚上，当我尝试连接时，我收到了一条连接被拒绝信息。以下是详细输出：
ssh -vvv -i ~/Documents/AWS/.ssh/ubuntu-webserver-keys.pem [email protected]
OpenSSH_7.2p2, LibreSSL 2.4.1
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 20: Applying options for *
debug2: resolving "13.10.8.21" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to 13.10.8.21 [13.10.8.21] port 22.
debug1: connect to address 13.10.8.21 port 22: Connection refused
ssh: connect to host 13.10.8.21 port 22: Connection refuse
有人可以帮忙吗？