VMware虚拟机中Ubuntu 11.04系统开启ssh服务的方法及命令

VMware虚拟机中Ubuntu 11.04系统开启ssh服务的方法及命令

环境介绍：

虚拟机系统：
Product  VMware@Workstation
Version  7.1.3 build-324285
虚拟机系统 Ubuntu 11.04
主机系统： Microsoft Windows XP Professional 版本 2002 Service Pack 3
Ubuntu 在北京交通大学镜像下载，速度很快http://mirror.bjtu.edu.cn/ubuntu-releases/
在虚拟机安装好Ubuntu 11.04 之后，首先更新源。

以下是Ubuntu 11.04 教育网的源:

#电子科技大学

deb http://ubuntu.uestc.edu.cn/ubuntu/ natty main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-backports main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-security main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-backports main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-security main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse

＃中国科技大学

deb http://debian.ustc.edu.cn/ubuntu/ natty main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ natty-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ natty-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ natty main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ natty-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ natty-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse

＃北京理工大学

deb http://mirror.bjtu.edu.cn/ubuntu/ natty main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe

＃兰州大学

deb ftp://mirror.lzu.edu.cn/ubuntu/ natty main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-security main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu-cn/ natty main multiverse restricted universe

＃上海交通大学

deb http://ftp.sjtu.edu.cn/ubuntu/ natty main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu-cn/ natty main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe

＃网易资源

deb http://mirrors.163.com/ubuntu/ natty main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ natty-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ natty-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ natty-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ natty-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ natty main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ natty-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ natty-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ natty-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ natty-backports main restricted universe multiverse

首先备份自带的源

sudo  cp /etc/apt/sources.list  /etc/apt/sources.list_backup

然后修改源

sudo gedit /etc/apt/sources.list

选择较快的源，替换原来的内容，保存。

更新软件包列表

sudo apt-get update

安装系统更新

依次点击System- Administrator-Update Manger，安装更新，按提示重启。

update 更新软件列表信息,包括版本,依赖关系等 upgrade在不改变现有软件设置的基础上更新软件dist-upgrade会改变配置相关文件,改变旧的依赖关系  更新版本实际上就是更新软件包,debian采用滚动升级,所以dist-upgrade仅用来升级软件,Ubuntu则用dist-upgrade来版本(版本升级会修改大量配置相关文件)

安装、配置、开启ssh服务

sudo apt-get install openssh-server

Ubuntu缺省安装了openssh-client,所以在这里就不安装了，一旦你的系统没有安装的话，再用apt-get安装上即可。

然后确认sshserver是否启动了：

ps -e |grep ssh

一旦只有ssh-agent那ssh-server还没有启动，需要/etc/init.d/ssh start，一旦看到sshd那说明ssh-server已经启动了。

ssh-server配置相关文件位于/ etc/ssh/sshd_config，在这里可以定义SSH的服务端口，默认端口是22，你可以自己定义成其他端口号。为了更安全，建议更改端口，然后重启SSH服务：

sudo /etc/init.d/ssh resart

在windows XP系统中，使用putty.exe登录虚拟机。

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