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Ubuntu 16.10 Yakketyにパッケージをインストールできない

Ubuntuシステムにgawkパッケージをインストールしているときに、コマンドラインでこのエラーが発生しました

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package gawk is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gawk' has no installation candidate

また、Sudo apt-get installを介して他のパッケージをインストールすると、同様のエラーが発生します。私は解決策をグーグルで検索しましたが、どれもうまくいかなかったようです。

私の/etc/apt/sources.listには次の内容があります：

# deb cdrom:[Ubuntu 16.10 _Yakkety Yak_ - Release AMD64 (20161012.2)]/ yakkety main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://in.old-releases.ubuntu.com/ubuntu/ yakkety main restricted
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://in.old-releases.ubuntu.com/ubuntu/ yakkety-updates main restricted
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety-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://in.old-releases.ubuntu.com/ubuntu/ yakkety universe
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety universe
deb http://in.old-releases.ubuntu.com/ubuntu/ yakkety-updates universe
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety-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://in.old-releases.ubuntu.com/ubuntu/ yakkety multiverse
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety multiverse
deb http://in.old-releases.ubuntu.com/ubuntu/ yakkety-updates multiverse
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety-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://in.old-releases.ubuntu.com/ubuntu/ yakkety-backports main restricted universe multiverse
# deb-src http://in.old-releases.ubuntu.com/ubuntu/ yakkety-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 yakkety partner
# deb-src http://archive.canonical.com/ubuntu yakkety partner

deb http://old-releases.ubuntu.com/ubuntu yakkety-security main restricted
# deb-src http://old-releases.ubuntu.com/ubuntu yakkety-security main restricted
deb http://old-releases.ubuntu.com/ubuntu yakkety-security universe
# deb-src http://old-releases.ubuntu.com/ubuntu yakkety-security universe
deb http://old-releases.ubuntu.com/ubuntu yakkety-security multiverse
# deb-src http://old-releases.ubuntu.com/ubuntu yakkety-security multiverse
deb http://archive.ubuntu.com/ubuntu yakkety main universe restricted multiverse

前もって感謝します。

ubuntuterminalaptsoftware-installationpackage-management
2
Devanshu Somani

sources.list 次のように：

deb http://old-releases.ubuntu.com/ubuntu/ yakkety main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ yakkety-updates main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ yakkety-security main restricted universe multiverse

deb http://old-releases.ubuntu.com/ubuntu/ yakkety-backports main restricted universe multiverse

保存して更新：

Sudo apt-get update
Sudo apt-get upgrade
Sudo apt-get install gawk
3
GAD3R