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如何升级到 HWE 12.04.5？

tag-icon • tag-icon oem
如何升级到 HWE 12.04.5？

我的系统：全新 Dell OptiPlex XE2，由 Dell 预装 12.04。

我通过更新管理器应用了所有安全更新。现在更新管理器告诉我：

亲爱的 Ubuntu 用户，您当前的硬件支持堆栈 (HWE) 将于 2015-04-30 停止支持。在此日期之后，系统关键部分的安全更新将不再可用。我们建议您升级系统。如果您在升级后遇到任何问题，请在 askubuntu.com 上使用标签“oem”发帖（您可以使用此链接：http://www.askubuntu.com/questions/ask?tags=oem）。有关更多信息，请参阅：

我单击“升级”按钮并收到此错误：

软件包不存在。请检查软件包名称的拼写，并检查是否启用了相应的存储库。详细信息：软件包 xserver-xorg-lts-trusty 不可用

我该如何修复此问题并将系统升级到最新的 12.04.5？

/etc/apt/sources.list


# deb cdrom:[Ubuntu 12.04 _Precise_ - Build amd64 LIVE Binary 20130203-13:50]/ precise main

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ precise main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ precise main restricted

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

## 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/ precise universe
deb-src http://us.archive.ubuntu.com/ubuntu/ precise 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/ precise multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ precise 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://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
deb-src http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse
deb-src http://security.ubuntu.com/ubuntu precise-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 precise partner
# deb-src http://archive.canonical.com/ubuntu precise 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 precise main
# deb-src http://extras.ubuntu.com/ubuntu precise main

/etc/apt/sources.list.d/precise-dell.list 

deb http://dell.archive.canonical.com/updates/ precise-dell public
deb-src http://dell.archive.canonical.com/updates/ precise-dell public

/etc/apt/sources.list.d/precise-oem-sp1.list 

deb http://oem.archive.canonical.com/updates/ precise-oem-sp1 public
deb-src http://oem.archive.canonical.com/updates/ precise-oem-sp1 public

答案1

您已启用安全更新，但未启用常规更新。

确保在你的软件源中激活精确更新，如此维基页面。

然后，再次按照https://wiki.ubuntu.com/1204_HWE_EOL_OEM

答案2

  1. 由于这是全新安装，您至少应该更新和升级本地软件包（如果您还没有这样做的话）：

    sudo apt-get update
sudo apt-get dist-upgrade

  2. 要安装 Ubuntu Precise 的 HWE 堆栈：

    sudo apt-get install --install-recommends linux-generic-lts-trusty

    （来源）

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