如何正确关闭树莓派




简单地说,树莓派是一块微型主板,但这块主板上没有开机,关机按钮。当我们通过mini USB接口把树莓派接上电源的时候,安装在SD卡里的系统会自动启动。但是怎么关机呢? 很多人会这样想:既然接上电源自动开机,那么拔掉电源不就关了机。这种关机相当于非正常关机(比如突然断电), 长期地非正常关机会损坏树莓派的SD卡。 正确的关机方法是 1 先执行下面的命令 sudo shutdown -h now 或 sudo halt 2 当上面的命令执行后,会发现在树莓派的LED状态指示灯中,只有PWR指示灯(电源指示灯)亮着,其他的指示灯都不亮,说明系统已经关闭了。接下来拔掉电源,PWR指示灯随即熄灭。这样才是正确的关机。


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