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如何在 Ubuntu 14.04 上“使用包管理器更新我的包列表”

tag-icon • tag-icon 14.04 package-management software-installation kivy
如何在 Ubuntu 14.04 上“使用包管理器更新我的包列表”

我正在跟进本指南安装 Kivy。第 2 步是

  1. 使用包管理器更新包列表

我对 Ubuntu/Linux 还很陌生，不知道如何使用。

答案1

因为你已经打开了一个终端，用一个简单的命令

sudo apt-get update

如果你做过类似的事情，那么这总是必要的：

sudo add-apt-repository ppa:kivy-team/kivy

从man apt-get

update
    update is used to resynchronize the package index files from their
    sources. The indexes of available packages are fetched from the
    location(s) specified in /etc/apt/sources.list. For example, when 
    using a Debian archive, this command retrieves and scans the 
    Packages.gz files, so that information about new and updated packages
    is available. An update should always be performed before an upgrade
    or dist-upgrade. Please be aware that the overall progress meter will
    be incorrect as the size of the package files cannot be known in 
    advance.

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