Errors cannot be fixed because you require that some packages remain the same as they destroy dependencies between packages. Ubu

Source: Internet
Author: User
There are some software packages that cannot be installed. If you are using a unstable release, this may be
Because the system is not up to the state you requested. There may be some of the software you need in this release
Packages have not been created or they have been removed from the new to (incoming) directory.

The middle is some dependency pack description

Errors cannot be fixed because you require that some packages remain the same as they destroy dependencies between packages.

Workaround:

1. Open Update Settings, select on the Update tab: Important Security updates and recommended updates

2. And in the "Other Software" tab, remove the problem and other sources

3. Enter the following command:

sudo apt-get clean cd/var/lib/apt
sudo mv lists Lists.old
sudo mkdir-p lists/partial
sudo apt-get clean
(See http://forum.ubuntu.org.cn/viewtopic.php?f=80&t=372236)
And then a different source.
Gksu gedit/etc/apt/sources.list
Select the appropriate source from the list below, replace all content in the file, and save the edited file:
Last Run sudo apt-get update
Source list Bones Brother personally built and maintained by the Ubuntu source (the source is located in Hangzhou, Zhejiang Province, the hundred mega-shared broadband telecommunications room), including deepin mirrors:

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


NetEase 163 update server (Guangdong Guangzhou Telecom/unicom Gigabit Dual-line access), including other open source mirrors:

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


Sohu Update server (Shandong Unicom Gigabit Access, the official Chinese mainland region mirror jump to this), including other open source mirrors:

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 Update server (zhejiang Hangzhou Telecom/Unicom dual-line server), including other open source mirrors:

 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 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 main Restricted Universe Multiverse 


Changzhou Betcamps Software Technology Co., Ltd. Update server (Jiangsu Changzhou Telecom Server), including other open source mirrors. (CN99 Domain Name Department "Changzhou Subfamily Technology Co., Ltd." registered, but this company and Changzhou Betcamps legal representative and business address the same. So this mirror is actually the original CN99. But now the domain name for the CN99 Mirror has been changed to go to NetEase mirroring):

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
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 Main restricted universe multiverse
deb-src http://centos.bitcomm.cn/ubuntu quantal-proposed main restricted Universe Multiverse



The following is an education network access to the server (Recommended education network users, some of the non-education network users also have a considerable speed. Education network users should give priority to the use of IPV6 address.


China University of Science and Technology Update server (located in Hefei, Gigabit Education Network access, Gigabit Telecommunications/Unicom Line Intelligent routing), by the USTC Linux Users Association and the Central University Network Information Center maintenance, including other open source mirrors, Deepin official server actually point to here:

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 Address
 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 


Tsinghua University Update server, (Education Network core node hundred gigabit Access, has been planned to improve to gigabit) by Tsinghua University Student Network management will maintain. Contains other open source mirrors:

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 Address
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 Address
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
 


Beijing Jiaotong University Update Server (Education Network/Telecom hundred Gigabit Access), sponsored by Beijing Jiaotong University Information Center, contains other open source mirrors. (The domain name of the BJTU can be replaced by the NJTU, that is, the north of the old name "Northern Jiaotong University" corresponding domain name):

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 Address
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


Beijing Polytechnic University Update server (accessible only by the education network), including other open source mirrors:

 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 

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