Ubuntu基础设定:openssh-server的安装和使用介绍

记录一下Ubuntu17.10的openssh-server的安装和使用。安装之后就可以使用ssh登陆Ubuntu了,所以是Ubuntu的基础设定之一。

事前准备

  Ubuntu版本:17.10  devops@ubuntu:~$ cat /etc/issue  Ubuntu 17.10 n l  devops@ubuntu:~$   devops@ubuntu:~$ lsb_release -a  No LSB modules are available.  Distributor ID: Ubuntu  Description:  Ubuntu 17.10  Release:  17.10  Codename:  artful  devops@ubuntu:~$

17.10的Ubuntu代号Artful Aardvark,于2017年10月19日正式发布,是更换GNOME的首个版本,但是这不是一个LTS版本,会支持到2018年8月,是2018年Ubuntu的LTS的版本之前的过渡版本。openssh-server的安装基本上对于Ubuntu的版本影响非常低,基本操作步骤大体一致。

安装步骤

按照如下安装步骤进行安装

Ubuntu基础设定:openssh-server的安装和使用介绍 Linux 第1张

操作日志

此处再以安装的状态下抓取的日志,apt install显示会有所不同

  devops@ubuntu:~$ sudo su  [sudo] password for devops:   root@ubuntu:/home/devops#   root@ubuntu:/home/devops# apt install openssh-server  Reading package lists... Done  Building dependency tree      Reading state information... Done  openssh-server is already the newest version (1:7.5p1-10ubuntu0.1).  0 upgraded, 0 newly installed, 0 to remove and 55 not upgraded.  root@ubuntu:/home/devops#   root@ubuntu:/home/devops# ssh -V  OpenSSH_7.5p1 Ubuntu-10ubuntu0.1, OpenSSL 1.0.2g 1 Mar 2016  root@ubuntu:/home/devops#   root@ubuntu:/home/devops# /etc/init.d/ssh status  ● ssh.service - OpenBSD Secure Shell server    Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled)    Active: active (running) since Sat 2018-03-03 07:58:44 CST; 51min ago   Process: 3072 ExecReload=/bin/kill -HUP $MAINPID (code=exited, status=0/SUCCESS)   Process: 3071 ExecReload=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS)   Process: 3167 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS)   Main PID: 3179 (sshd)    Tasks: 1 (limit: 4915)    Memory: 1.0M     CPU: 7ms    CGroup: /system.slice/ssh.service        └─3179 /usr/sbin/sshd -D  Mar 03 07:58:44 ubuntu systemd[1]: Starting OpenBSD Secure Shell server...  Mar 03 07:58:44 ubuntu systemd[1]: Started OpenBSD Secure Shell server.  Mar 03 07:58:44 ubuntu sshd[3179]: Server listening on 0.0.0.0 port 22.  Mar 03 07:58:44 ubuntu sshd[3179]: Server listening on :: port 22.  root@ubuntu:/home/devops#   root@ubuntu:/home/devops# /etc/init.d/ssh restart  [ ok ] Restarting ssh (via systemctl): ssh.service.  root@ubuntu:/home/devops#

从终端进行ssh连接

  liumiaocn:~ liumiao$ ssh devops@192.168.31.19  devops@192.168.31.19's password:   Welcome to Ubuntu 17.10 (GNU/Linux 4.13.0-21-generic x86_64)   * Documentation: https://help.ubuntu.com   * Management:   https://landscape.canonical.com   * Support:    https://ubuntu.com/advantage  58 packages can be updated.  32 updates are security updates.  Last login: Sat Mar 3 07:43:23 2018 from 192.168.31.242  devops@ubuntu:~$

总结

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