我正在尝试修补此旧服务器，并且遇到了麻烦。我的猜测是，不再支持Ubuntu的构建，并且存储库不再提供更新，但是我不确定。有什么办法吗？我尝试关注此帖子，但似乎无法解决我的问题。 ： Ubuntu apt-get unable to fetch packages
错误输出：
Ign http://security.ubuntu.com trusty-security InRelease
Ign http://us.archive.ubuntu.com trusty InRelease
Get:1 http://us.archive.ubuntu.com trusty-updates InRelease [65.9 kB]
Ign http://security.ubuntu.com trusty-security Release.gpg
Ign http://security.ubuntu.com trusty-security Release
Hit http://us.archive.ubuntu.com trusty-backports InRelease
Hit http://us.archive.ubuntu.com trusty Release.gpg
Ign http://security.ubuntu.com trusty-security/main Sources/DiffIndex
Get:2 http://us.archive.ubuntu.com trusty-updates/main Sources [429 kB]
Ign http://security.ubuntu.com trusty-security/restricted Sources/DiffIndex
Ign http://security.ubuntu.com trusty-security/universe Sources/DiffIndex
Get:3 http://us.archive.ubuntu.com trusty-updates/restricted Sources [6,313 B]
Get:4 http://us.archive.ubuntu.com trusty-updates/universe Sources [231 kB]
Ign http://security.ubuntu.com trusty-security/multiverse Sources/DiffIndex
Get:5 http://us.archive.ubuntu.com trusty-updates/multiverse Sources [7,438 B]
Ign http://security.ubuntu.com trusty-security/main amd64 Packages/DiffIndex
Get:6 http://us.archive.ubuntu.com trusty-updates/main amd64 Packages [1,155 kB]
Ign http://security.ubuntu.com trusty-security/restricted amd64 Packages/DiffIndex
Ign http://security.ubuntu.com trusty-security/universe amd64 Packages/DiffIndex
Ign http://security.ubuntu.com trusty-security/multiverse amd64 Packages/DiffIndex
Get:7 http://us.archive.ubuntu.com trusty-updates/restricted amd64 Packages [17.2 kB]
Get:8 http://us.archive.ubuntu.com trusty-updates/universe amd64 Packages [518 kB]
Ign http://security.ubuntu.com trusty-security/main i386 Packages/DiffIndex
Ign http://security.ubuntu.com trusty-security/restricted i386 Packages/DiffIndex
Get:9 http://us.archive.ubuntu.com trusty-updates/multiverse amd64 Packages [14.6 kB]
Get:10 http://us.archive.ubuntu.com trusty-updates/main i386 Packages [1,077 kB]
Ign http://security.ubuntu.com trusty-security/universe i386 Packages/DiffIndex
Ign http://security.ubuntu.com trusty-security/multiverse i386 Packages/DiffIndex
Get:11 http://us.archive.ubuntu.com trusty-updates/restricted i386 Packages [17.0 kB]
Get:12 http://us.archive.ubuntu.com trusty-updates/universe i386 Packages [499 kB]
Get:13 http://us.archive.ubuntu.com trusty-updates/multiverse i386 Packages [15.1 kB]
Get:14 http://us.archive.ubuntu.com trusty-updates/main Translation-en [573 kB]
Get:15 http://us.archive.ubuntu.com trusty-updates/multiverse Translation-en [7,616 B]
Get:16 http://us.archive.ubuntu.com trusty-updates/restricted Translation-en [4,028 B]
Get:17 http://us.archive.ubuntu.com trusty-updates/universe Translation-en [278 kB]
Hit http://us.archive.ubuntu.com trusty-backports/main Sources
Hit http://us.archive.ubuntu.com trusty-backports/restricted Sources
Hit http://us.archive.ubuntu.com trusty-backports/universe Sources
Hit http://us.archive.ubuntu.com trusty-backports/multiverse Sources
Hit http://us.archive.ubuntu.com trusty-backports/main amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/restricted amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/universe amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/universe i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/main Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/universe Translation-en
Hit http://us.archive.ubuntu.com trusty Release
Hit http://us.archive.ubuntu.com trusty/main Sources
Hit http://us.archive.ubuntu.com trusty/restricted Sources
Hit http://us.archive.ubuntu.com trusty/universe Sources
Hit http://us.archive.ubuntu.com trusty/multiverse Sources
Hit http://us.archive.ubuntu.com trusty/main amd64 Packages
Hit http://us.archive.ubuntu.com trusty/restricted amd64 Packages
Hit http://us.archive.ubuntu.com trusty/universe amd64 Packages
Hit http://us.archive.ubuntu.com trusty/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com trusty/main i386 Packages
Hit http://us.archive.ubuntu.com trusty/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty/universe i386 Packages
Hit http://us.archive.ubuntu.com trusty/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty/main Translation-en
Hit http://us.archive.ubuntu.com trusty/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty/universe Translation-en
Ign http://us.archive.ubuntu.com trusty/main Translation-en_US
Ign http://us.archive.ubuntu.com trusty/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com trusty/restricted Translation-en_US
Ign http://us.archive.ubuntu.com trusty/universe Translation-en_US
Ign http://security.ubuntu.com trusty-security/main Translation-en_US
Ign http://security.ubuntu.com trusty-security/main Translation-en
Ign http://security.ubuntu.com trusty-security/multiverse Translation-en_US
Ign http://security.ubuntu.com trusty-security/multiverse Translation-en
Ign http://security.ubuntu.com trusty-security/restricted Translation-en_US
Ign http://security.ubuntu.com trusty-security/restricted Translation-en
Ign http://security.ubuntu.com trusty-security/universe Translation-en_US
Ign http://security.ubuntu.com trusty-security/universe Translation-en
Err http://security.ubuntu.com trusty-security/main Sources
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/restricted Sources
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/universe Sources
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/multiverse Sources
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/main amd64 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/restricted amd64 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/universe amd64 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/multiverse amd64 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/main i386 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/restricted i386 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/universe i386 Packages
403 Forbidden [IP: 91.189.88.152 80]
Err http://security.ubuntu.com trusty-security/multiverse i386 Packages
403 Forbidden [IP: 91.189.88.152 80]
Fetched 4,915 kB in 16s (300 kB/s)
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/source/Sources 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/source/Sources 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/source/Sources 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/source/Sources 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/binary-amd64/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/binary-amd64/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-amd64/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/binary-amd64/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/binary-i386/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/binary-i386/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-i386/Packages 403 Forbidden [IP: 91.189.88.152 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/binary-i386/Packages 403 Forbidden [IP: 91.189.88.152 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
当前Sources.list文件：
#
# deb cdrom:[Ubuntu-Server 14.04 LTS _Trusty Tahr_ - Release amd64 (20140416.2)]/ trusty main restricted
#deb cdrom:[Ubuntu-Server 14.04 LTS _Trusty Tahr_ - Release amd64 (20140416.2)]/ trusty 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/ trusty main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-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/ trusty universe
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty universe
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-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/ trusty multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty multiverse
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse
## 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/ trusty-backports main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu trusty-security main restricted
deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted
deb http://security.ubuntu.com/ubuntu trusty-security universe
deb-src http://security.ubuntu.com/ubuntu trusty-security universe
deb http://security.ubuntu.com/ubuntu trusty-security multiverse
deb-src http://security.ubuntu.com/ubuntu trusty-security 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 trusty partner
# deb-src http://archive.canonical.com/ubuntu trusty partner
## Uncomment the following two lines to add software from Ubuntu's
## 'extras' repository.
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
# deb http://extras.ubuntu.com/ubuntu trusty main
# deb-src http://extras.ubuntu.com/ubuntu trusty main