우분투 업데이트가 안될시 링크 수정

우분투를 깔았는데 자동으로 업데이트가 되지 않는 것을 볼 수 있는데 이것은 몇년 전에 죽은 링크를 아직도 연결하고 있기 때문이다. 따라서 수동으로 링크를 수정해 주어야 하는데

/etc/apt/sources.list 에 들어가서 아래와 같이 수정해주면 된다

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#deb cdrom:[Ubuntu 10.10 _Maverick Meerkat_ - Release i386 (20101007)]/ maverick main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://ftp.daum.net/ubuntu/ maverick main restricted
deb-src http://ftp.daum.net/ubuntu/ maverick main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://ftp.daum.net/ubuntu/ maverick-updates main restricted
deb-src http://ftp.daum.net/ubuntu/ maverick-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://ftp.daum.net/ubuntu/ maverick universe
deb-src http://ftp.daum.net/ubuntu/ maverick universe
deb http://ftp.daum.net/ubuntu/ maverick-updates universe
deb-src http://ftp.daum.net/ubuntu/ maverick-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://ftp.daum.net/ubuntu/ maverick multiverse
deb-src http://ftp.daum.net/ubuntu/ maverick multiverse
deb http://ftp.daum.net/ubuntu/ maverick-updates multiverse
deb-src http://ftp.daum.net/ubuntu/ maverick-updates multiverse

## Uncomment following 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://ftp.daum.net/ubuntu/ maverick-backports main restricted universe multiverse
deb-src http://ftp.daum.net/ubuntu/ maverick-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 maverick partner
# deb-src http://archive.canonical.com/ubuntu maverick partner

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링크 뒤에 나오는 maverick은 우분투의 버전명이다
우분투는 각 버전마다 이름이 있는데 11.04이면 natty이다
이게 어떤 영향이 있는지는 자세히 모르지만.. 바꿔주는 것이 괜찮을 듯 싶다