(http://chenrongya.blog.163.com/blog/static/87474196201411795221260/)
不同的网络状况连接以下源的速度不同, 建议在添加前手动验证以下源的连接速度(ping下就行),选择最快的源可以节省大批下载时间。

首先备份源列表(for sure):

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

而后用gediPt或其他编辑器打开:

PS: 14.10 用sudo gedit /etc/apt/sources.list

gksu gedit /etc/apt/sources.list
kdesudo kate /etc/apt/sources.list
gksu mousepad /etc/apt/sources.list
gksu leafpad /etc/apt/sources.list (12.04版)
gksu gedit /etc/apt/sources.list

从下面列表中选择合适的源，替换掉文件中所有的内容，保存编辑好的文件:注意：一定要选对版本然后，刷新列表:

sudo apt-get update

 注意：一定要执行刷新

[编辑]源列表
[编辑]Utopic(14.10)版本

Ubuntu 官方更新服务器（欧洲，此为官方源，国内较慢，但无同步延迟问题，电信、移动/铁通、联通等公网用户可以使用)：

deb http://archive.ubuntu.com/ubuntu/ utopic main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ utopic-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ utopic-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ utopic main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ utopic-backports main restricted universe multiverse

    Ubuntu官方提供的其他软件（第三方闭源软件等）：

deb http://archive.canonical.com/ubuntu/ utopic partner
deb http://extras.ubuntu.com/ubuntu/ utopic main

骨头兄亲自搭建并维护的 Ubuntu 源（该源位于浙江杭州百兆共享宽带的电信机房)，包含 Deepin 等镜像：

deb http://ubuntu.srt.cn/ubuntu/ utopic main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ utopic-backports main restricted universe multiverse

网易163更新服务器（广东广州电信/联通千兆双线接入），包含其他开源镜像：

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

搜狐更新服务器（山东联通千兆接入，官方中国大陆地区镜像跳转至此） ，包含其他开源镜像：

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

阿里云更新服务器（北京万网/浙江杭州阿里云服务器双线接入），包含其他开源镜像：

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

开源中国更新服务器（浙江杭州阿里云服务器），包含其他开源镜像：

(http 亦可替换为 ftp)

deb http://mirrors.oschina.net/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ utopic-backports main restricted universe multiverse

中国开源软件中心更新服务器（北京光环新网服务器），包含其他开源镜像：

deb http://mirrors.oss.org.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.oss.org.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.oss.org.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.oss.org.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.oss.org.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.oss.org.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.oss.org.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.oss.org.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.oss.org.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.oss.org.cn/ubuntu/ utopic-backports main restricted universe multiverse

Linux运维派架设的更新服务器（北京阿里巴巴科技有限公司服务器），包含其他开源镜像：

（域名中的.cn可以替换为.com）

deb http://mirrors.skyshe.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.skyshe.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.skyshe.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.skyshe.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.skyshe.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.skyshe.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.skyshe.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.skyshe.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.skyshe.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.skyshe.cn/ubuntu/ utopic-backports main restricted universe multiverse

北京首都在线科技股份有限公司 更新服务器，包含其他开源镜像：

deb http://mirrors.yun-idc.com/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.yun-idc.com/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.yun-idc.com/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.yun-idc.com/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.yun-idc.com/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.yun-idc.com/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.yun-idc.com/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.yun-idc.com/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.yun-idc.com/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.yun-idc.com/ubuntu/ utopic-backports main restricted universe multiverse

常州贝特康姆软件技术有限公司 更新服务器（江苏常州电信服务器），包含其他开源镜像。( CN99域名 系 “常州市亚科技术有限公司” 所注册，但此公司与常州贝特康姆的法人代表和营业地址相同。所以本镜像实际即原 CN99。但现在 CN99镜像的域名已改为跳转至网易镜像）:

deb http://centos.bitcomm.cn/ubuntu utopic main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu utopic-security main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu utopic-updates main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu utopic-backports main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu utopic-proposed main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu utopic main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu utopic-security main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu utopic-updates main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu utopic-backports main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu utopic-proposed main restricted universe multiverse

以下为有教育网接入的服务器（推荐教育网用户使用，部分非教育网用户也有可观的速度。教育网用户请优先使用IPv6地址。

中国科学技术大学更新服务器（位于合肥，千兆教育网接入，百兆电信/联通线路智能路由），由中科大 Linux 用户协会和中科大学网络信息中心维护，包含其他开源镜像，Deepin 官方服务器 实际亦指向此处：

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

    IPv6-Only 地址

deb http://mirrors6.ustc.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb http://mirrors6.ustc.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb http://mirrors6.ustc.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb http://mirrors6.ustc.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb http://mirrors6.ustc.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe
deb-src http://mirrors6.ustc.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb-src http://mirrors6.ustc.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb-src http://mirrors6.ustc.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb-src http://mirrors6.ustc.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb-src http://mirrors6.ustc.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe

清华大学更新服务器，（教育网核心节点百兆接入，已计划提高到千兆）由清华大学学生网管会维护。包含其他开源镜像：

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse

    IPv4-Only 地址

deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse

    IPv6-Only 地址

deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb http://mirrors.6.tuna.tsinghua.edu.cn//ubuntu/ utopic-security main multiverse restricted universe
deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe
deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe

中国地质大学开源镜像站，由中国地质大学 Linux 爱好者维护。包含其他开源镜像， (校外限 IPv6 访问)：

deb http://mirrors.cug.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.cug.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
debhttp://mirrors.cug.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.cug.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb http://mirrors.cug.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.cug.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.cug.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.cug.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.cug.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.cug.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse

北京交通大学更新服务器（教育网/电信百兆接入），由北京交通大学信息中心赞助，包含其他开源镜像。（域名中的 bjtu 可以替换为 njtu ，即北交旧名“北方交通大学”对应域名） ：

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

    IPv6-Only 地址

deb http://mirror6.bjtu.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb http://mirror6.bjtu.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb http://mirror6.bjtu.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb http://mirror6.bjtu.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb http://mirror6.bjtu.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe
deb-src http://mirror6.bjtu.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb-src http://mirror6.bjtu.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb-src http://mirror6.bjtu.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb-src http://mirror6.bjtu.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb-src http://mirror6.bjtu.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe

北京理工大学更新服务器，包含其他开源镜像：

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

    IPv6-Only 地址

deb http://mirror.bit6.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirror.bit6.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirror.bit6.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirror.bit6.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb http://mirror.bit6.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirror.bit6.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirror.bit6.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirror.bit6.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirror.bit6.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirror.bit6.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse

北京化工大学更新服务器（仅教育网可以访问），包含其他开源镜像。IPv4-Only 地址（域名中的 buct.edu.cn 可以替换为 buct.cn ） ：

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

    IPv6-Only 地址

deb http://ubuntu.buct6.edu.cn/ utopic main multiverse restricted universe
deb http://ubuntu.buct6.edu.cn/ utopic-backports main multiverse restricted universe
deb http://ubuntu.buct6.edu.cn/ utopic-proposed main multiverse restricted universe
deb http://ubuntu.buct6.edu.cn/ utopic-security main multiverse restricted universe
deb http://ubuntu.buct6.edu.cn/ utopic-updates main multiverse restricted universe
deb-src http://ubuntu.buct6.edu.cn/ utopic main multiverse restricted universe
deb-src http://ubuntu.buct6.edu.cn/ utopic-backports main multiverse restricted universe
deb-src http://ubuntu.buct6.edu.cn/ utopic-proposed main multiverse restricted universe
deb-src http://ubuntu.buct6.edu.cn/ utopic-security main multiverse restricted universe
deb-src http://ubuntu.buct6.edu.cn/ utopic-updates main multiverse restricted universe

天津大学更新服务器，由天津大学信息与网络协会和天津大学自由软件联盟维护，包含其他开源镜像 (校外限 IPv6 访问)（域名可以替换为 jx.tju.zyrj.org 或 jx6.tju.zyrj.org）

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

山东理工大学更新服务器，包含其他开源镜像，限校内访问：

deb http://mirrors.sdutlinux.org/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.sdutlinux.org/ubuntu/ utopic-backports restricted universe multiverse
deb http://mirrors.sdutlinux.org/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.sdutlinux.org/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.sdutlinux.org/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.sdutlinux.org/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.sdutlinux.org/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.sdutlinux.org/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.sdutlinux.org/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.sdutlinux.org/ubuntu/ utopic-updates main restricted universe multiverse

东北大学更新服务器，包含其他开源镜像：

deb http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic main multiverse restricted universe
deb http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-backports main multiverse restricted universe
deb http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-proposed main multiverse restricted universe
deb http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-security main multiverse restricted universe
deb http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-updates main multiverse restricted universe
deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic main multiverse restricted universe
deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-backports main multiverse restricted universe
deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-proposed main multiverse restricted universe
deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-security main multiverse restricted universe
deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ utopic-updates main multiverse restricted universe

    IPv6-Only 地址

deb http://ftp.neu6.edu.cn/mirrors/ utopic main multiverse restricted universe
deb http://ftp.neu6.edu.cn/mirrors/ utopic-backports main multiverse restricted universe
deb http://ftp.neu6.edu.cn/mirrors/ utopic-proposed main multiverse restricted universe
deb http://ftp.neu6.edu.cn/mirrors/ utopic-security main multiverse restricted universe
deb http://ftp.neu6.edu.cn/mirrors/ utopic-updates main multiverse restricted universe
deb-src http://ftp.neu6.edu.cn/mirrors/ utopic main multiverse restricted universe
deb-src http://ftp.neu6.edu.cn/mirrors/ utopic-backports main multiverse restricted universe
deb-src http://ftp.neu6.edu.cn/mirrors/ utopic-proposed main multiverse restricted universe
deb-src http://ftp.neu6.edu.cn/mirrors/ utopic-security main multiverse restricted universe
deb-src http://ftp.neu6.edu.cn/mirrors/ utopic-updates main multiverse restricted universe

哈尔滨工业大学更新服务器，包含其他开源镜像：

deb http://run.hit.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse

    IPv6-Only地址

deb http://run6.hit.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://run6.hit.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://run6.hit.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://run6.hit.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb http://run6.hit.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://run6.hit.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://run6.hit.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://run6.hit.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://run6.hit.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://run6.hit.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse

大连理工大学更新服务器，包含其他开源镜像：

( IPv4/v6 Both )

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

上海交通大学更新服务器（教育网千兆接入，联通/电信线路情况不详），包含其他开源镜像：

(http 亦可替换为 ftp))

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

    IPv6-Only 地址

deb http://ftp6.sjtu.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb http://ftp6.sjtu.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb http://ftp6.sjtu.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb http://ftp6.sjtu.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb http://ftp6.sjtu.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe
deb-src http://ftp6.sjtu.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb-src http://ftp6.sjtu.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb-src http://ftp6.sjtu.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb-src http://ftp6.sjtu.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb-src http://ftp6.sjtu.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe

江苏开放大学更新服务器，由江苏开放大学技术中心维护，包含其他开源镜像：

deb http://mirrors.jstvu.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.jstvu.edu.cn/ubuntu/ utopic-backports restricted universe multiverse
deb http://mirrors.jstvu.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.jstvu.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.jstvu.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.jstvu.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.jstvu.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.jstvu.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.jstvu.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.jstvu.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse

南京师范大学更新服务器，包含其他开源镜像，限校内访问：

deb http://mirrors.njnu.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.njnu.edu.cn/ubuntu/ utopic-backports restricted universe multiverse
deb http://mirrors.njnu.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.njnu.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.njnu.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.njnu.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.njnu.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.njnu.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.njnu.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.njnu.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse

浙江大学更新服务器，由浙江大学Linux用户组维护，包含其他开源镜像：（域名可以替换为mirrors.zju.edu.cn）

( IPv4/v6 Both )

deb http://mirrors.zjustu.org/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.zjustu.org/ubuntu/ utopic-backports restricted universe multiverse
deb http://mirrors.zjustu.org/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.zjustu.org/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.zjustu.org/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.zjustu.org/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.zjustu.org/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.zjustu.org/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.zjustu.org/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.zjustu.org/ubuntu/ utopic-updates main restricted universe multiverse

华中科技大学更新服务器，由华中科技大学网络与计算中心维护，包含其他开源镜像：

deb http://mirrors.hust.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ utopic-backports restricted universe multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ utopic-updates main restricted universe multiverse

华中科大联创团队更新服务器，由华中科技大学启明学院 的联创团队维护，包含其他开源镜像：

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

厦门大学更新服务器，由厦门大学信息与网络中心维护，包含其他开源镜像：

( IPv4/v6 Both )

deb http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic main restricted universe multiverse
deb http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-backports restricted universe multiverse
deb http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-proposed main restricted universe multiverse
deb http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-security main restricted universe multiverse
deb http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic main restricted universe multiverse
deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-security main restricted universe multiverse
deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ utopic-updates main restricted universe multiverse

中山大学更新服务器，由中山大学网络与信息技术中心维护，包含其他开源镜像：

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

西南林业大学更新服务器，只包括当前稳定版和开发版，不包括 LTS 镜像。由西南林业大学计信学院维护。包括 Debian 镜像：

deb http://cs3.swfu.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb http://cs3.swfu.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb http://cs3.swfu.edu.cn/ubuntu/ utopic-proposed main multiverse restricted universe
deb http://cs3.swfu.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb http://cs3.swfu.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe
deb-src http://cs3.swfu.edu.cn/ubuntu/ utopic main multiverse restricted universe
deb-src http://cs3.swfu.edu.cn/ubuntu/ utopic-backports main multiverse restricted universe
deb-src http://cs3.swfu.edu.cnubuntu/ utopic-proposed main multiverse restricted universe
deb-src http://cs3.swfu.edu.cn/ubuntu/ utopic-security main multiverse restricted universe
deb-src http://cs3.swfu.edu.cn/ubuntu/ utopic-updates main multiverse restricted universe

电子科技大学（位于成都）更新服务器，由电子科技大学学生宿舍网络管理委员会维护，仅包含 Ubuntu 镜像：

deb http://ubuntu.dormforce.net/ubuntu/ utopic main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ utopic-backports main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ utopic-security main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ utopic main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ utopic-updates main restricted universe multiverse

电子科技大学另一更新服务器，由电子科大凝聚网络安全工作室维护，包含 Ubuntu 和 Raspian镜像，以及 Linux Deepin镜像：

deb http://ubuntu.cnssuestc.org/ubuntu/ utopic main restricted universe multiverse
deb http://ubuntu.cnssuestc.org/ubuntu/ utopic-backports main restricted universe multiverse
deb http://ubuntu.cnssuestc.org/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://ubuntu.cnssuestc.org/ubuntu/ utopic-security main restricted universe multiverse
deb http://ubuntu.cnssuestc.org/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://ubuntu.cnssuestc.org/ubuntu/ utopic main restricted universe multiverse
deb-src http://ubuntu.cnssuestc.org/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://ubuntu.cnssuestc.org/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://ubuntu.cnssuestc.org/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://ubuntu.cnssuestc.org/ubuntu/ utopic-updates main restricted universe multiverse

西安交通大学更新服务器，由西安交通大学众享社维护，包含其他开源镜像：

deb http://ubuntu.xjtuns.cn/ubuntu/ utopic main restricted universe multiverse
deb http://ubuntu.xjtuns.cn/ubuntu/ utopic-security main restricted universe multiverse
deb http://ubuntu.xjtuns.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb http://ubuntu.xjtuns.cn/ubuntu/ubuntu utopic-backports main restricted universe multiverse
deb http://ubuntu.xjtuns.cn/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://ubuntu.xjtuns.cn/ubuntu/ utopic main restricted universe multiverse
deb-src http://ubuntu.xjtuns.cn/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://ubuntu.xjtuns.cn/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://ubuntu.xjtuns.cn/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://ubuntu.xjtuns.cn/ubuntu/ utopic-proposed main restricted universe multiverse

以下为大陆地区外的源

香港中文大学更新服务器，由香港中文大学资讯科技服务处维护，包含其他开源镜像：

deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic main restricted universe multiverse
deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-security main restricted universe multiverse
deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-updates main restricted universe multiverse
deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-backports main restricted universe multiverse
deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-proposed main restricted universe multiverse
deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic main restricted universe multiverse
deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-security main restricted universe multiverse
deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-updates main restricted universe multiverse
deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-backports main restricted universe multiverse
deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu utopic-proposed main restricted universe

香港 01link 更新服务器，由香港联达网络服务有限公司维护：

deb http://ubuntu.01link.hk utopic main restricted universe multiverse
deb http://ubuntu.01link.hk utopic-security main restricted universe multiverse
deb http://ubuntu.01link.hk utopic-updates main restricted universe multiverse
deb http://ubuntu.01link.hk utopic-backports main restricted universe multiverse
deb http://ubuntu.01link.hk utopic-proposed main restricted universe multiverse
deb-src http://ubuntu.01link.hk utopic main restricted universe multiverse
deb-src http://ubuntu.01link.hk utopic-security main restricted universe multiverse
deb-src http://ubuntu.01link.hk utopic-updates main restricted universe multiverse
deb-src http://ubuntu.01link.hk utopic-backports main restricted universe multiverse
deb-src http://ubuntu.01link.hk utopic-proposed main restricted universe

香港 uhost 更新服务器，由香港互联科技有限公司维护：

deb http://ubuntu.uhost.hk utopic main restricted universe multiverse
deb http://ubuntu.uhost.hk utopic-security main restricted universe multiverse
deb http://ubuntu.uhost.hk utopic-updates main restricted universe multiverse
deb http://ubuntu.uhost.hk utopic-backports main restricted universe multiverse
deb http://ubuntu.uhost.hk utopic-proposed main restricted universe multiverse
deb-src http://ubuntu.uhost.hk utopic main restricted universe multiverse
deb-src http://ubuntu.uhost.hk utopic-security main restricted universe multiverse
deb-src http://ubuntu.uhost.hk utopic-updates main restricted universe multiverse
deb-src http://ubuntu.uhost.hk utopic-backports main restricted universe multiverse
deb-src http://ubuntu.uhost.hk utopic-proposed main restricted universe

台湾的官方源。速度有时甚至快于内地的，包含 Debian 等其他镜像：

deb http://tw.archive.ubuntu.com/ubuntu utopic main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu utopic-security main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu utopic-updates main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu utopic-backports main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu utopic-proposed main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu utopic main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu utopic-security main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu utopic-updates main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu utopic-backports main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu utopic-proposed main restricted universe multiverse

其他台湾源可以参考正体中文站Wiki

备注：

    完全失效的服务器：青岛大学更新服务器（教育网/山东青岛移动专线双线服务器），由 OSQDU维护，位于青岛大学。包含开源镜像和Opera、马克思主义文库等其他镜像。Geekbone.org更新服务器（上海电信服务器，由 SHLUG /上海Linux用户群维护）,现跳转至搜狐服务器。由Love4Taylor维护的开源镜像站，位于香港新世界电讯有限公司CDN节点上，包含Deepin 镜像，可能包含其它开源镜像。上述服务器部分可能改为校内/地区访问。部分失效的服务器西南大学开源社区维护的西南大学镜像中已经取消了主要发行版镜像，但有一些学习资源。由电子科技大学Linux 用户组维护的UESTC LUG软件源中包含其它发行版的镜像。由电子科技大学学生之家维护的电子科大星辰工作室镜像中已经取消了 Ubuntu 镜像，但有其它发行版的镜像。由We · Cloud云技术小组维护的大连东软信息学院的We - 开源镜像站中已经取消了 Ubuntu 镜像，但有Ubuntu 光盘镜像和其它发行版。LupaWorld 更新服务器（浙江杭州电信/联通双线服务器）中，已经取消了 Ubuntu 镜像，但有其它发行版的镜像。各大镜像站点往往包括 Ubuntu 以外的大量其他自由软件资源，文中已注出。其他软件源如 Medibuntu、Getdeb 等可参考香港自由软件社团维护的Wiki 。原文地址：http://wiki.ubuntu.org.cn/Qref/Source

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(转)ubuntu 设置IP,设置网关
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