这是我得到的。有人能告诉我如何解决这个问题吗？
root@thinkcode:~# apt-get install squid
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
squid-common squid-langpack
Suggested packages:
squidclient squid-cgi logcheck-database resolvconf smbclient winbind
The following NEW packages will be installed:
squid squid-common squid-langpack
0 upgraded, 3 newly installed, 0 to remove and 89 not upgraded.
Need to get 1,346kB of archives.
After this operation, 8,651kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
WARNING: The following packages cannot be authenticated!
squid-langpack squid-common squid
Install these packages without verification [y/N]? y
Err http://us.archive.ubuntu.com karmic/main squid-langpack 3.HEAD.20090706-1ubuntu1
404 Not Found [IP: 91.189.92.177 80]
Err http://us.archive.ubuntu.com karmic-updates/main squid-common 2.7.STABLE6-2ubuntu2.2
404 Not Found [IP: 91.189.92.177 80]
Err http://security.ubuntu.com karmic-security/main squid-common 2.7.STABLE6-2ubuntu2.2
404 Not Found [IP: 91.189.92.167 80]
Err http://security.ubuntu.com karmic-security/main squid 2.7.STABLE6-2ubuntu2.2
404 Not Found [IP: 91.189.92.167 80]
Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/s/squid-langpack/squid-langpack_3.HEAD.20090706-1ubuntu1_all.deb 404 Not Found [IP: 91.189.92.177 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/s/squid/squid-common_2.7.STABLE6-2ubuntu2.2_all.deb 404 Not Found [IP: 91.189.92.167 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/s/squid/squid_2.7.STABLE6-2ubuntu2.2_i386.deb 404 Not Found [IP: 91.189.92.167 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
按照 Shane 的建议，我得到了以下结果：
root@thinkcode:~# sudo aptitude install squid squid-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
The following packages are BROKEN:
squid-common
The following NEW packages will be installed:
squid
0 packages upgraded, 2 newly installed, 0 to remove and 84 not upgraded.
Need to get 1,116kB of archives. After unpacking 2,548kB will be used.
The following packages have unmet dependencies:
squid-common: Depends: squid-langpack which is a virtual package.
Unable to resolve dependencies! Giving up...
The following packages are BROKEN:
squid-common
The following NEW packages will be installed:
squid
0 packages upgraded, 2 newly installed, 0 to remove and 84 not upgraded.
Need to get 1,116kB of archives. After unpacking 2,548kB will be used.
aptitude failed to find a solution to these dependencies. You can solve them yourself by hand or type 'n' to quit.
The following packages have unmet dependencies:
squid-common: Depends: squid-langpack which is a virtual package.
Resolve these dependencies by hand? [N/+/-/_/:/?] N
Abort.
这些是我的存储库（/etc/apt/sources.list）：
# deb cdrom:[Ubuntu-Server 9.10 _Karmic Koala_ - Release i386 (20091027.2)]/ karmic main restricted
#deb cdrom:[Ubuntu-Server 9.10 _Karmic Koala_ - Release i386 (20091027.2)]/ karmic main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
#>deb http://us.archive.ubuntu.com/ubuntu/ karmic main restricted
#>deb-src http://us.archive.ubuntu.com/ubuntu/ karmic main restricted
deb http://old-releases.ubuntu.com/ubuntu/ karmic main restricted
deb-src http://old-releases.ubuntu.com/ubuntu/ karmic main restricted
## Major bug fix updates produced after the final release of the
## distribution.
#>deb http://us.archive.ubuntu.com/ubuntu/ karmic-updates main restricted
#>deb-src http://us.archive.ubuntu.com/ubuntu/ karmic-updates main restricted
deb http://old-releases.ubuntu.com/ubuntu/ karmic-updates main restricted
deb-src http://old-releases.ubuntu.com/ubuntu/ karmic-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ karmic universe
deb-src http://us.archive.ubuntu.com/ubuntu/ karmic universe
deb http://us.archive.ubuntu.com/ubuntu/ karmic-updates universe
deb-src http://us.archive.ubuntu.com/ubuntu/ karmic-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ karmic multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ karmic multiverse
deb http://us.archive.ubuntu.com/ubuntu/ karmic-updates multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ karmic-updates multiverse
## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb http://us.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu karmic partner
# deb-src http://archive.canonical.com/ubuntu karmic partner
deb http://security.ubuntu.com/ubuntu karmic-security main restricted
deb-src http://security.ubuntu.com/ubuntu karmic-security main restricted
deb http://security.ubuntu.com/ubuntu karmic-security universe
deb-src http://security.ubuntu.com/ubuntu karmic-security universe
deb http://security.ubuntu.com/ubuntu karmic-security multiverse
deb-src http://security.ubuntu.com/ubuntu karmic-security multiverse
答案1
Ubuntu 9.10 早已不再受支持，并且存储库已停止使用；因此才会出现您看到的 404 错误。
您需要将您的存储库更改为http://old-releases.ubuntu.com/ubuntu/-/etc/apt/sources.list完成后，我建议升级到 10.04（运行do-release-upgrade）以获取受支持的版本。请参阅这里了解详情。