如何从命令行刷新有线以太网连接？

Question

取消选中“启用网络”（禁用网络）然后重新启用的命令行等效项是什么？

在我的环境中，有多个网络需要我物理移动我的网线。有时我的连接无法正确刷新，因此我禁用/重新启用网络以刷新我的连接。能够从命令行执行此操作对我来说效率更高。

我使用的是 12.04 LTS。

Answer 1

你可以试试：

nmcli connection reload

它将从磁盘重新加载所有连接文件。

Answer 2

我会nmcli为此目的使用命令：

nmcli nm enable false && nmcli nm enable true

手册页：

DESCRIPTION
       nmcli is a command?line tool for controlling NetworkManager and report?
       ing on its status.  It is not meant as a full replacement for nm?applet
       or other similar clients but as a complementary utility to those pro?
       grams.  The main usage for nmcli is on servers, headless machines or
       for power users who prefer the command line.

       [...]

  nm     NetworkManager
          Use this object to inquire and change state of NetworkManager.

         [...]

          enable [true|false]
                 Get networking?enabled status or enable/disable network?
                 ing by NetworkManager.  All interfaces managed by Net?
                 workManager are deactivated when networking has been dis?
                 abled.
                 Reference to D?Bus:
                 interface: org.freedesktop.NetworkManager
                 method:    Enable
                 arguments: TRUE or FALSE

Answer 3

请尝试：

sudo service network-manager restart