ubuntu更改源，ubuntu换源 ubuntu的最新版
大家好，ubuntu更改源相信很多的网友都不是很明白，包括ubuntu换源 ubuntu的最新版也是一样，不过没有关系，接下来就来为大家分享关于ubuntu更改源和ubuntu换源 ubuntu的最新版的一些知识点，大家可以关注收藏，免得下次来找不到哦，下面我们开始吧！
ubuntu里面的换源怎么设置呀
设置Ubuntu的源主要涉及到更改sources.list文件。这个文件位于/
etc/apt/sources.list路径下。更改源的目的是为了让系统访问到更快的软件包资源。
在进行操作前，请确保系统已连接到网络环境。若使用树莓派而非root用户，则在执行
命令时需添加sudo前缀。假设当前使用的源为官方源的镜像，定期与官方源同步，但在内容上与官方源并无明显区别。
为了更换源，首先需要将sources.list文件的内容更改为指向新源的地址。请确保新源是可靠的，并且能满足系统软件包的下载需求。
以下为更换源的步骤：
1.打开终端。
2.输入命令：
cd/etc/apt
这将进入到/
etc/apt目录下。
3.输入命令：
sudo nano sources.list
使用nano编辑器打开sources.list文件。
4.在文件中找到类似以下内容的行：
deb bionic main restricted universe multiverse
将此行更改为指向新源的地址。新源地址请根据实际情况替换。
例如：
deb bionic main restricted universe multiverse
5.保存并关闭nano编辑器。
6.更新软件包索引：
输入命令：sudo apt-get update
执行更新操作后，系统将从新源下载并更新软件包信息。
注意：更换源可能会影响到系统的稳定性与安全性。请确保在更换源前，对重要数据进行备份，并选择可靠的源以避免软件包的潜在问题。
以上步骤提供了一个基础的更换源方法。在实际操作过程中，应根据系统版本与个人需求进行相应的调整。
如何修改Ubuntu的apt-get源
手动修改Ubuntu的apt-get源
1、用ssh工具连接到Ubuntu
2、命令行敲入 cd/etc/apt/
3、备份此目录下的source.list文件(要有sudo权限),此时就有了一个source.list.bak文件
4、清空source.list文件内容(注:清空后不可恢复,所以需要执行上一步提前备份一下这个文件),此时用sudo提示权限不够,直接切换到root用户下执行这条命令
5、用vim打开source.list,按i键进入编辑模式把要修改的源地址粘贴进来,然后按esc进入命令模式,键入:wq保存退出(不懂vim如何操作的可以先百度下如何使用vim)
6、最后执行 apt-get update就可以了(因为刚才切换到root用户,所以不用在命令前加sudo)
ubuntu12.04怎么改变更新源
1、首先备份 Ubuntu12.04源列表
sudo cp/etc/apt/sources.list/etc/apt/sources.list.backup（备份下当前的源列表）
2、修改更新源
sudo gedit/etc/apt/sources.list（打开 Ubuntu 12.04源列表文件）
3、把里面的列表替换成下面的列表
163源
deb precise main restricted
deb-src precise main restricted
deb precise-updates main restricted
deb-src precise-updates main restricted
deb precise universe
deb-src precise universe
deb precise-updates universe
deb-src precise-updates universe
deb precise multiverse
deb-src precise multiverse
deb precise-updates multiverse
deb-src precise-updates multiverse
deb precise-backports main restricted universe multiverse
deb-src precise-backports main restricted universe multiverse
deb precise-security main restricted
deb-src precise-security main restricted
deb precise-security universe
deb-src precise-security universe
deb precise-security multiverse
deb-src precise-security multiverse
deb precise main
deb-src precise main
sohu源
deb precise main restricted
deb-src precise main restricted
deb precise-updates main restricted
deb-src precise-updates main restricted
deb precise universe
deb-src precise universe
deb precise-updates universe
deb-src precise-updates universe
deb precise multiverse
deb-src precise multiverse
deb precise-updates multiverse
deb-src precise-updates multiverse
deb precise-backports main restricted universe multiverse
deb-src precise-backports main restricted universe multiverse
deb precise-security main restricted
deb-src precise-security main restricted
deb precise-security universe
deb-src precise-security universe
deb precise-security multiverse
deb-src precise-security multiverse
deb precise main
deb-src precise main
ubuntu.cn99.com源（推荐）:
deb precise main restricted universe multiverse
deb precise-updates main restricted universe multiverse
deb precise-security main restricted universe multiverse
deb precise-backports main restricted universe multiverse
deb precise main restricted universe multiverse
教育网源
如果你是在校大学生，可以使用校园网/教育网，就是用教育网的资源吧，尤其是支持 ipv6的，那更新速度就按兆算了。
#电子科技大学
deb precise main restricted universe multiverse
deb precise-backports main restricted universe multiverse
deb precise-proposed main restricted universe multiverse
deb precise-security main restricted universe multiverse
deb precise-updates main restricted universe multiverse
deb-src precise main restricted universe multiverse
deb-src precise-backports main restricted universe multiverse
deb-src precise-proposed main restricted universe multiverse
deb-src precise-security main restricted universe multiverse
deb-src precise-updates main restricted universe multiverse
#中国科技大学
deb precise main restricted universe multiverse
deb precise-backports restricted universe multiverse
deb precise-proposed main restricted universe multiverse
deb precise-security main restricted universe multiverse
deb precise-updates main restricted universe multiverse
deb-src precise main restricted universe multiverse
deb-src precise-backports main restricted universe multiverse
deb-src precise-proposed main restricted universe multiverse
deb-src precise-security main restricted universe multiverse
deb-src precise-updates main restricted universe multiverse
#北京理工大学
deb precise main multiverse restricted universe
deb precise-backports main multiverse restricted universe
deb precise-proposed main multiverse restricted universe
deb precise-security main multiverse restricted universe
deb precise-updates main multiverse restricted universe
deb-src precise main multiverse restricted universe
deb-src precise-backports main multiverse restricted universe
deb-src precise-proposed main multiverse restricted universe
deb-src precise-security main multiverse restricted universe
deb-src precise-updates main multiverse restricted universe
