Ubuntu 16.04 LTS 更新源地址列表及更改方法


 

1、 在修改source.list前,最好先备份一份,以便日后恢复

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


也可以分两步执行:

    修改/etc/apt/sources.list文件,ctrl+alt+T 终端

    切换到apt目录下:cd /etc/apt

    备份:sudo cp sources.list  sources.list.bak

    (设置为保留备份后,修改前的内容会自动保存为后缀名为bak的备份文件。)

 sudo vim source.list 

若出现 “sudo: vim: command not found” 是没安装vim的缘故

安装执行:sudo apt-get install vim

 

 

2、修改更新源

sudo gedit /etc/apt/sources.list

(打开源列表文件)

3、任选一种国内镜像源内容复制到source.list文件中,覆盖原文件内容

(“#”开头的那一行为注释,可以直接复制进文件中)

 

 

最后执行命令

sudo apt-get update

 

 

关于vim一些简单命令:

1切换插入模式:
命令模式下

a                                (小写)光标之后进行插入
A                                (大写)光标所在行尾进行插入
i                                 (小写)光标前开始进行插入
I                                (大写)光标所在行首进行插入
o                                (小写)光标所在行后新插入一空行进行插入
O                                (大写)光标所在行前新插入一空行进行插入
插入模式下按ESC键返回命令模式
2 切换到编辑模式
命令模式下按【:】进入编辑模式,键入命令回车后自动返回到命令模式或按ESC键返回到命令模式。
3 保存文件
编辑模式下
:w                            (小写)保存文件
​:wq                         (小写)保存并退出vim
:w 文件名1            将文件另存为文件名1
:ZZ                          (大写)保存文件并退出,相当于:wq
:wq!                        (小写)文件所有者强制保存只读文件,如果不是文件所有者进行此操作,不能成功
:q!                                退出不保存文件
4 复制(yank)
命令模式下

yy或 Y                     复制光标所在整行
y^                         复制到光标所在行行首,不包括光标位置字符
y$                         复制到光标所在行行尾,包括光标位置字符
yw                         复制一个单词,光标必须在单词首部
yG                         复制到文件尾
y1G                        复制到文件首
nyy                        复制光标所在行开始的n行
5 粘贴
命令模式下
p                                (小写)粘贴到光标后
P                                (大写)粘贴到光标前
6 删除
命令模式下
x                                (小写)删除光标前一个字符
X                                (大写)删除光标后一个字符
dd                                (小写)删除光标所在整行
dw                                (小写)删除光标所在处一个单词
dG                                删除光标所在整行到文件尾
dgg                        删除光标所在整行到文件首
D                                (大写)删除到行尾,包含光标处的字符
d$                                与D效果相同
d0                                删除到行首,不包含光标处的字符
d^                                与d0效果相同
:n1,n2d                编辑模式下,删除n1-n2行


sources.list除了用vim编辑还可以使用gedit,atom

用vim,gedit,atom等工具打开

sudo vim /etc/apt/source.list

sudo gedit /etc/apt/source.list

或(自己安装atom,挺好的一个工具)

sudo atom /etc/apt/source.list

 

国内镜像源分享

阿里云源

# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted
deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties
deb http://archive.canonical.com/ubuntu xenial partner
deb-src http://archive.canonical.com/ubuntu xenial partner
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse

 

 

清华大学

# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security multiverse

 

东北大学

deb-src http://mirror.neu.edu.cn/ubuntu/ xenial main restricted #Added by software-properties
deb http://mirror.neu.edu.cn/ubuntu/ xenial main restricted
deb-src http://mirror.neu.edu.cn/ubuntu/ xenial restricted multiverse universe #Added by software-properties
deb http://mirror.neu.edu.cn/ubuntu/ xenial-updates main restricted
deb-src http://mirror.neu.edu.cn/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties
deb http://mirror.neu.edu.cn/ubuntu/ xenial universe
deb http://mirror.neu.edu.cn/ubuntu/ xenial-updates universe
deb http://mirror.neu.edu.cn/ubuntu/ xenial multiverse
deb http://mirror.neu.edu.cn/ubuntu/ xenial-updates multiverse
deb http://mirror.neu.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://mirror.neu.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties
deb http://archive.canonical.com/ubuntu xenial partner
deb-src http://archive.canonical.com/ubuntu xenial partner
deb http://mirror.neu.edu.cn/ubuntu/ xenial-security main restricted
deb-src http://mirror.neu.edu.cn/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties
deb http://mirror.neu.edu.cn/ubuntu/ xenial-security universe
deb http://mirror.neu.edu.cn/ubuntu/ xenial-security multiverse

 


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