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sudo cp /etc/apt/sources.list ~/sources.list.bak

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# deb cdrom:[Ubuntu 17.04 _Zesty Zapus_ - Release amd64 (20170412)]/ zesty main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to

# newer versions of the distribution.

deb http://mirrors.aliyun.com/ubuntu/ artful main restricted

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty main restricted

## Major bug fix updates produced after the final release of the

## distribution.

deb http://mirrors.aliyun.com/ubuntu/ artful-updates main restricted

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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://mirrors.aliyun.com/ubuntu/ artful universe

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty universe

deb http://mirrors.aliyun.com/ubuntu/ artful-updates universe

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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://mirrors.aliyun.com/ubuntu/ artful multiverse

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty multiverse

deb http://mirrors.aliyun.com/ubuntu/ artful-updates multiverse

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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://mirrors.aliyun.com/ubuntu/ artful-backports main restricted universe multiverse

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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 zesty partner

# deb-src http://archive.canonical.com/ubuntu zesty partner# deb cdrom:[Ubuntu 17.04 _Zesty Zapus_ - Release amd64 (20170412)]/ zesty main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to

# newer versions of the distribution.

#deb http://mirrors.aliyun.com/ubuntu/ artful main restricted

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty main restricted

## Major bug fix updates produced after the final release of the

## distribution.

#deb http://mirrors.aliyun.com/ubuntu/ artful-updates main restricted

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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://mirrors.aliyun.com/ubuntu/ artful universe

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty universe

#deb http://mirrors.aliyun.com/ubuntu/ artful-updates universe

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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://mirrors.aliyun.com/ubuntu/ artful multiverse

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty multiverse

#deb http://mirrors.aliyun.com/ubuntu/ artful-updates multiverse

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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://mirrors.aliyun.com/ubuntu/ artful-backports main restricted universe multiverse

# deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-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 zesty partner

# deb-src http://archive.canonical.com/ubuntu zesty partner

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sudo apt-get update