【Linux】ssh连接远程服务器

1、背景

Secure Shell（SSH）是一种加密网络协议，用于在不安全的网络上安全地运行网络服务。

利用SSH可以实现加密并安全地远程登录计算机系统。

ubuntu安装后默认只有ssh客户端，只能去连其它ssh服务器；

其它客户端想要连接这个ubuntu系统，需要安装部署ssh服务端openssh-server

参考博客：

【Linux】ubuntu安装ssh服务端openssh-server

/jn10010537/article/details/123141847

2、实例

终端连接：

ssh -p 端口号 用户名@地址

比如： ssh -p 22 jn-yys@192.168.147.20

jn@jnit:~$ ssh -p 22 jn-yys@192.168.147.20The authenticity of host '192.168.147.20 (192.168.147.20)' can't be established.ECDSA key fingerprint is SHA256:KeLKW94kF7HF9UPAB6iDARKDgV/CB4gl2fGBAID3Qco.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added '192.168.147.20' (ECDSA) to the list of known hosts.jn-yys@192.168.147.20's password: Welcome to Ubuntu 18.04.6 LTS (GNU/Linux 5.4.0-125-generic x86_64)* Documentation: * Management:* Support: /advantage61 updates can be applied immediately.9 of these updates are standard security updates.To see these additional updates run: apt list --upgradableNew release '20.04.5 LTS' available.Run 'do-release-upgrade' to upgrade to it.Your Hardware Enablement Stack (HWE) is supported until April .Last login: Thu Sep 15 17:37:17 from 192.168.0.135expoet：未找到命令jn-yys@jn10010537:~$

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