Ubantu 初试

1、sudo apt-get update

在/etc/apt/sources.list添加新内容的步骤如下

1)打开终端输入sudo gedit /etc/apt/sources.list 

2)将下面的代码粘贴进去(“#”开头的那一行为注释,可以直接复制进文件中)

#网易 Ubuntu 11.10 源(速度很快) 
deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 
deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 
deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted

3)通知ubuntu启用新的更新源   sudo apt-get update

参考:如何在/etc/apt/sources.list添加新内容

注意: sudo apt-get update可能会报一些错误,但不影响使用apt-get install

2、putty 无法连接ubantu被拒绝

ssh服务没有安装

使用下面命令查看是否安装ssh服务:

sudo service ssh status

如果提示没有安装ssh服务,使用下面命令安装ssh服务

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sudo apt-get install openssh-server

然后,启动 ssh服务

 sudo service ssh start

3、putty、winscp无法用root用户登录Ubantu

1)给root用户设置密码:

sudo passwd root

2)编辑 /etc/ssh/sshd_config文件

sudo gedit /etc/ssh/sshd_config文件

将PermitRootLogin 的值改成 yes

3)重启ssh

sudo service ssh restart

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转载自blog.csdn.net/qq_28808697/article/details/103257265