在使用 Ubuntu 18.04 后发现了不少好用的 GNOME SHELL 拓展插件，在此做一个推荐及备份。以下插件排名不分先后。

system-monitor

Display system informations in gnome shell status bar, such as memory usage, cpu usage, network rates…

&nsbp; 在顶栏显示系统硬件状态，十分直观。在 Ubuntu 软件商店中即可安装，可能会遇到依赖问题，会有提示，按照具体提示安装即可，我当时提示缺少 Clutter，那就安装咯：

sudo apt-get install gir1.2-clutter-1.0 gir1.2-clutter-gst-3.0 gir1.2-gtkclutter-1.0

Clipboard Indicator

Clipboard Manager extension for Gnome-Shell - Adds a clipboard indicator to the top panel, and caches clipboard history.

  剪贴板管理，在顶栏查看选择历史剪贴板。

Coverflow Alt-Tab

Replacement of Alt-Tab, iterates through windows in a cover-flow manner.

Dash to Dock

A dock for the Gnome Shell. This extension moves the dash out of the overview transforming it in a dock for an easier launching of applications and a faster switching between windows and desktops. Side and bottom placement options are available.

  取代系统 dock 栏。

Gnome Shell Audio Output Switcher

Gnome-Shell Extension: Easily switch between your audio outputs from the system menu.

Lock Keys

Numlock & Capslock status on the panel.

Multi Monitors Add-On

Add multiple monitors overview and panel for gnome-shell.

  外接屏幕神器。

OpenWeather

Weather extension to display weather information from https://openweathermap.org/ or https://darksky.net for almost all locations in the world.
For openweathermap.org, you can either use the extensions default-key or register at https://openweathermap.org/appid and set the appropriate switch in the preferences dialog to “off”.
For Dark Sky you have to register at https://darksky.net/dev/register and get a personal API-key.
Since version 29 this extensions uses coordinates to store the locations and makes the names editable to support multiple weather-providers!
If you update from versions prior to 29 to 29 or greater (with darksky.net - support) you have to recreate your locations.

Pixel Saver

Pixel Saver is designed to save pixel by fusing activity bar and title bar in a natural way.

Screenshot Tool

Conveniently create, copy, store and upload screenshots.

TopIcons Plus

This extension moves legacy tray icons (bottom left of Gnome Shell) to the top panel. It is a fork from the original extension from ag with settings for icon opacity, saturation, padding, size and tray position, along with a few minor fixes and integration with the Skype integration extension.

User Themes

Load shell themes from user directory.

  万物之源。

Suspend Button

Allows to modify the suspend/shutdown button in the status menu.