1.安装
arch官方源中有plank包，可以直接安装：
也可以去查看archwiki的说明文档。
$ sudo pacman -S plank
正在解决依赖关系...
正在查找软件包冲突...
软件包 (1) plank-0.11.4-1
全部安装大小： 2.07 MiB
净更新大小： 0.00 MiB
:: 进行安装吗？ [Y/n] y
2.运行
# 如果直接运行会默认创建 dock1 的主题
▶ plank
# 如果需要取名字则可以如下方式创建一个名为newplank的主题
▶ plank -n newdock
3.配置
这里设置plank的配置文件在 ：/usr/share/plank/themes/
▶ cd /usr/share/plank/themes
▶ ls
Default Matte Transparent
# 这里有选用默认的主题配置Default
▶ cd Default
▶ ls
dock.theme # 这是主题的配置文件
配置文件每一行都有相应的注释说明，可以自己修改调试，也可以参考我的配置文件：
▶ cat dock.theme
#This file auto-generated by Plank.
#2016-03-12T14:53:46+0000
[PlankTheme]
#The roundness of the top corners.
TopRoundness=10
#The roundness of the bottom corners.
BottomRoundness=0
#The thickness (in pixels) of lines drawn.
LineWidth=0
#The color (RGBA) of the outer stroke.
OuterStrokeColor=41;;41;;41;;255
#The starting color (RGBA) of the fill gradient.
FillStartColor=41;;41;;41;;255
#The ending color (RGBA) of the fill gradient.
FillEndColor=80;;80;;80;;255
#The color (RGBA) of the inner stroke.
InnerStrokeColor=255;;255;;255;;255
[PlankDockTheme]
#The padding on the left/right dock edges, in tenths of a percent of IconSize.
HorizPadding=-100
#The padding on the top dock edge, in tenths of a percent of IconSize.
TopPadding=5
#The padding on the bottom dock edge, in tenths of a percent of IconSize.
BottomPadding=30
#The padding between items on the dock, in tenths of a percent of IconSize.
ItemPadding=6
#The size of item indicators, in tenths of a percent of IconSize.
IndicatorSize=0
#The size of the icon-shadow behind every item, in tenths of a percent of IconSize.
IconShadowSize=10
#The height (in percent of IconSize) to bounce an icon when the application sets urgent.
UrgentBounceHeight=1.6666666666666667
#The height (in percent of IconSize) to bounce an icon when launching an application.
LaunchBounceHeight=0.625
#The opacity value (0 to 1) to fade the dock to when hiding it.
FadeOpacity=1
#The amount of time (in ms) for click animations.
ClickTime=300
#The amount of time (in ms) to bounce an urgent icon.
UrgentBounceTime=600
#The amount of time (in ms) to bounce an icon when launching an application.
LaunchBounceTime=600
#The amount of time (in ms) for active window indicator animations.
ActiveTime=300
#The amount of time (in ms) to slide icons into/out of the dock.
SlideTime=300
#The time (in ms) to fade the dock in/out on a hide (if FadeOpacity is < 1).
FadeTime=250
#The time (in ms) to slide the dock in/out on a hide (if FadeOpacity is 1).
HideTime=250
#The size of the urgent glow (shown when dock is hidden), in tenths of a percent of IconSize.
GlowSize=30
#The total time (in ms) to show the hidden-dock urgent glow.
GlowTime=10000
#The time (in ms) of each pulse of the hidden-dock urgent glow.
GlowPulseTime=2000
#The hue-shift (-180 to 180) of the urgent indicator color.
UrgentHueShift=150
#The time (in ms) to move an item to its new position or its addition/removal to/from the dock.
ItemMoveTime=450
#Whether background and icons will unhide/hide with different speeds. The top-border of both will leave/hit the screen-edge at the same time.
CascadeHide=flase
4.添加底部应用程序
配置文件在：/home/fqf/.config/plank
▶ cd ~/.config/plank
▶ ls # 查看创建的plank主题，这里选择默认的 dock1 来作为解释
dock1
▶ cd ldock1/launchers
▶ ls # 添加应用程序的格式 name.dockitem
electronic-wechat.dockitem google-chrome.dockitem org.kde.dragonplayer.dockitem
firefox.dockitem nohup.out org.kde.konsole.dockitem
▶ cat firefox.dockitem # name.dockitem内容如下：
[PlankDockItemPreferences]
Launcher=file:///usr/share/applications/firefox.desktop
#------------------------------------------------------------------------
# 所以我们只需要 cp 其中的一个name.dockitem
# 在目录 /usr/share/applications/ 找到你需要添加的应用程序名字
# Launcher=file:///usr/share/applications/firefox.desktop
# 并在最后替换掉即可
# Launcher=file:///usr/share/applications/google-chrome.desktop
最后来一张效果图：
plank配置效果图
linux 小知识：
一般在终端执行程序时，当你关掉终端之后，之前打开的程序也随着关掉了，那么可以使用：
nohup 命令 & #这句命令意思是当前执行的 程序/命令 不挂起并放置后台运行。
eg：
▶ nohup plank &
[1] 14524
nohup: 忽略输入并把输出追加到'nohup.out'
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