无法修正错误，因为您要求某些软件…

有一些软件包无法被安装。如果您用的是 unstable 发行版，这也许是

因为系统无法达到您要求的状态造成的。该版本中可能会有一些您需要的软件

包尚未被创建或是它们已被从新到(Incoming)目录移出。

中间是一些依赖包说明

无法修正错误，因为您要求某些软件包保持现状，就是它们破坏了软件包间的依赖关系。

解决方法：sudo apt-get clean

cd /var/lib/apt

sudo mv lists lists.old

sudo mkdir -p lists/partial

sudo apt-get clean

（参阅http://forum.ubuntu.org.cn/viewtopic.php?f=80&t=372236）

然后换一个源

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:

最后执行sudo apt-get update

源列表

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/ quantal main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ quantal-security main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ quantal main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ quantal-security main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ quantal-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/ quantal main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ quantal-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ quantal-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ quantal-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ quantal main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ quantal-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ quantal-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ quantal-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ quantal-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/ quantal main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ quantal-security main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ quantal-updates main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ quantal-proposed main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ quantal main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ quantal-security main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ quantal-updates main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ quantal-proposed main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ quantal-backports main restricted universe multiverse

LupaWorld 更新服务器（浙江杭州电信/联通双线服务器），包含其他开源镜像：

deb http://mirror.lupaworld.com/ubuntu quantal main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu quantal-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu quantal-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu quantal-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu quantal-proposed main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu quantal main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu quantal-security main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu quantal-updates main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu quantal-backports main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu quantal-proposed 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 quantal main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu quantal-security main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu quantal-updates main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu quantal-backports main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu quantal-proposed main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu quantal main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu quantal-security main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu quantal-updates main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu quantal-backports main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu quantal-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/ quantal main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ quantal-backports main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ quantal-proposed main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ quantal-security main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ quantal-updates main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-backports main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-proposed main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-security main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-updates main multiverse restricted universe

IPv6-Only 地址

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

IPv4-Only 地址

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

IPv6-Only 地址

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

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

IPv6-Only 地址

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

北京理工大学更新服务器（仅教育网可以访问），包含其他开源镜像：

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