733 lines
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配置串口权限，顺便看一下linux的udev规则。
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|
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href="/posts/231225-dockernote/"
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>
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<span class="hx:min-w-0 [word-break:break-word]">docker简单笔记</span>
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</a>
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href="/posts/231127-vncserver/"
|
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|
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>
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<span class="hx:min-w-0 [word-break:break-word]">Linux安装VNC服务端</span>
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</div>
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href="/posts/230908-py-post/"
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>
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<span class="hx:min-w-0 [word-break:break-word]">Python socket 收取POST协议内容时没有payload</span>
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class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
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href="/posts/230508-remake-deb/"
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>
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href="/posts/220714-unpackclonezillaimage/"
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>
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<span class="hx:min-w-0 [word-break:break-word]">从再生龙（clonezilla）镜像直接提取文件</span>
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</div>
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href="/posts/220223-deepin_partsinddefilemanager/"
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>
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|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/220104-diylinuxiso/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">定制自己的Linux ISO镜像</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/211203-linuxchangeusername/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">在Linux环境下修改用户名和主目录</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/211115-fixnasdriver/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">记一次拯救NAS硬盘</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/211019-dpkg_package_guide/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">DEB打包方法简介</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210928-rpm_package/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">RPM安装包制作方法</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210914-mdadm/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux恢复操作系统后mdadm导致开机变慢的方法</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210914-linuxbackupdd/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">使用dd指令备份和恢复Linux系统（硬盘级）</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210824-linuxtouchscreenfin/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux处理多触屏的终极解决方案</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210719-gpuinfoinlinux/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux中获得AMD显卡的状态信息</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210630-sudowithoutpasswd/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">免密码使用sudo</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210429-deepinautorun/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">deepin和UOS，快捷方式，开机自启动</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210420-linuxmorethan4serialport/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux启用四个以上的串口</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210328-linuxchangemacip/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux修改mac地址</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/about_hugo_website/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">关于使用HUGO建立博客站点</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col open"><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="true">
|
||
<a
|
||
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hextra-sidebar-active-item hx:bg-primary-100 hx:font-semibold hx:text-primary-800 hx:contrast-more:border hx:contrast-more:border-primary-500 hx:dark:bg-primary-400/10 hx:dark:text-primary-600 hx:contrast-more:dark:border-primary-500"
|
||
href="/posts/210311-serialmodeandudevinlinux/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux串口和udev理解</span>
|
||
</a>
|
||
</div>
|
||
|
||
<ul class='hx:flex hx:flex-col hx:gap-1 hx:relative hx:before:absolute hx:before:inset-y-1 hx:before:w-px hx:before:bg-gray-200 hx:before:content-[""] hx:dark:before:bg-neutral-800 hx:ltr:pl-3 hx:ltr:before:left-0 hx:rtl:pr-3 hx:rtl:before:right-0 hx:ltr:ml-3 hx:rtl:mr-3'><li>
|
||
<a
|
||
href="#%e4%b8%b2%e5%8f%a3%e7%9a%84%e9%97%ae%e9%a2%98"
|
||
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
|
||
>串口的问题</a>
|
||
</li>
|
||
<li>
|
||
<a
|
||
href="#%e8%b5%8b%e4%ba%88%e6%99%ae%e9%80%9a%e7%94%a8%e6%88%b7%e4%b8%b2%e5%8f%a3%e6%9d%83%e9%99%90%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%96%b9%e6%b3%95"
|
||
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
|
||
>赋予普通用户串口权限的两种方法</a>
|
||
</li>
|
||
<li>
|
||
<a
|
||
href="#xxxrules"
|
||
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
|
||
>xxx.rules</a>
|
||
</li>
|
||
<li>
|
||
<a
|
||
href="#udev%e8%a7%84%e5%88%99"
|
||
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
|
||
>udev规则</a>
|
||
</li>
|
||
<li>
|
||
<a
|
||
href="#%e5%8f%82%e8%80%83"
|
||
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
|
||
>参考</a>
|
||
</li>
|
||
</ul>
|
||
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
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<a
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class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210311-multitouchscreeninlinux/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">Linux多显示器触屏调试与暂行解决方案</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
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<a
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class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
|
||
href="/posts/210218-teamspeakwithdocker/"
|
||
|
||
>
|
||
<span class="hx:min-w-0 [word-break:break-word]">使用Docker安装TeamSpeak</span>
|
||
</a>
|
||
</div>
|
||
|
||
</li></ul>
|
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</div></li>
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|
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href="/about-card/"
|
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|
||
>
|
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<span class="hx:min-w-0 [word-break:break-word]">Kushidou</span>
|
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|
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<span class="hx:group-data-[theme=dark]:hidden hx:group-data-[theme=light]:hidden">跟随系统</span></div>
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<ul
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class="hx:text-gray-700 hx:dark:text-gray-300 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-neutral-800 hx:dark:hover:text-gray-100 hx:relative hx:cursor-pointer hx:whitespace-nowrap hx:rounded-sm hx:py-1.5 hx:transition-colors hx:ltr:pl-3 hx:ltr:pr-9 hx:rtl:pr-3 hx:rtl:pl-9 hx:text-left hx:w-full hx:bg-transparent hx:border-0"
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>
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浅色
|
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<span class="hx:absolute hx:inset-y-0 hx:flex hx:items-center hx:ltr:right-3 hx:rtl:left-3 hx:group-data-[theme=dark]:hidden hx:group-data-[theme=system]:hidden"><svg height=1em width=1em xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg></span>
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tabindex="-1"
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data-item="dark"
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class="hx:text-gray-700 hx:dark:text-gray-300 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-neutral-800 hx:dark:hover:text-gray-100 hx:relative hx:cursor-pointer hx:whitespace-nowrap hx:rounded-sm hx:py-1.5 hx:transition-colors hx:ltr:pl-3 hx:ltr:pr-9 hx:rtl:pr-3 hx:rtl:pl-9 hx:text-left hx:w-full hx:bg-transparent hx:border-0"
|
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>
|
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深色
|
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<span class="hx:absolute hx:inset-y-0 hx:flex hx:items-center hx:ltr:right-3 hx:rtl:left-3 hx:group-data-[theme=light]:hidden hx:group-data-[theme=system]:hidden"><svg height=1em width=1em xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg></span>
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</button>
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</li>
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<li role="none" class="hx:flex hx:flex-col">
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<button
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type="button"
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role="menuitemradio"
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aria-checked="false"
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tabindex="-1"
|
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data-item="system"
|
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class="hx:text-gray-700 hx:dark:text-gray-300 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-neutral-800 hx:dark:hover:text-gray-100 hx:relative hx:cursor-pointer hx:whitespace-nowrap hx:rounded-sm hx:py-1.5 hx:transition-colors hx:ltr:pl-3 hx:ltr:pr-9 hx:rtl:pr-3 hx:rtl:pl-9 hx:text-left hx:w-full hx:bg-transparent hx:border-0"
|
||
>
|
||
跟随系统
|
||
<span class="hx:absolute hx:inset-y-0 hx:flex hx:items-center hx:ltr:right-3 hx:rtl:left-3 hx:group-data-[theme=dark]:hidden hx:group-data-[theme=light]:hidden"><svg height=1em width=1em xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg></span>
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</div></div></aside>
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<nav class="hextra-toc hx:order-last hx:hidden hx:w-64 hx:shrink-0 hx:xl:block hx:print:hidden hx:px-4" aria-label="目录">
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<div class="hextra-scrollbar hx:sticky hx:top-[var(--hextra-navbar-height)] hx:overflow-y-auto hx:pr-4 hx:pt-6 hx:text-sm [hyphens:auto] hx:max-h-[calc(100vh-var(--hextra-navbar-height)-env(safe-area-inset-bottom))] hx:ltr:-mr-4 hx:rtl:-ml-4"><p class="hx:mb-4 hx:font-semibold hx:tracking-tight">目录</p><ul>
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<li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6">
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<a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href="#%e4%b8%b2%e5%8f%a3%e7%9a%84%e9%97%ae%e9%a2%98">串口的问题
|
||
</a>
|
||
</li>
|
||
<li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6">
|
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<a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href="#%e8%b5%8b%e4%ba%88%e6%99%ae%e9%80%9a%e7%94%a8%e6%88%b7%e4%b8%b2%e5%8f%a3%e6%9d%83%e9%99%90%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%96%b9%e6%b3%95">赋予普通用户串口权限的两种方法
|
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</a>
|
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</li>
|
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<li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6">
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<a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href="#xxxrules">xxx.rules
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</a>
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</li>
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<li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6">
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<a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href="#udev%e8%a7%84%e5%88%99">udev规则
|
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</a>
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<a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href="#%e5%8f%82%e8%80%83">参考
|
||
</a>
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</li></ul>
|
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<div class="hx:mt-8 hx:border-t hx:bg-white hx:pt-8 hx:shadow-[0_-12px_16px_white] hx:dark:bg-dark hx:dark:shadow-[0_-12px_16px_#111] hx:sticky hx:bottom-0 hx:flex hx:flex-col hx:items-start hx:gap-3 hx:pb-8 hx:border-gray-200 hx:dark:border-neutral-800 hx:contrast-more:border-t hx:contrast-more:border-neutral-400 hx:contrast-more:shadow-none hx:contrast-more:dark:border-neutral-400">
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<div class="hx:flex hx:flex-wrap hx:gap-1.5"><a href="/tags/linux/" class="hx:inline-block hx:px-2 hx:py-0.5 hx:rounded hx:bg-gray-100 hx:text-gray-600 hx:dark:bg-neutral-800 hx:dark:text-gray-400 hx:text-xs hx:hover:bg-gray-200 hx:dark:hover:bg-neutral-700 hx:transition-colors">Linux</a><a href="/tags/%E4%B8%B2%E5%8F%A3/" class="hx:inline-block hx:px-2 hx:py-0.5 hx:rounded hx:bg-gray-100 hx:text-gray-600 hx:dark:bg-neutral-800 hx:dark:text-gray-400 hx:text-xs hx:hover:bg-gray-200 hx:dark:hover:bg-neutral-700 hx:transition-colors">串口</a></div>
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<h1 class="hx:mb-0 hx:text-4xl hx:font-bold hx:tracking-tight hx:text-slate-900 hx:dark:text-slate-100">Linux串口和udev理解</h1>
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<div class="content">
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|
||
<p>配置串口权限，顺便看一下linux的udev规则。</p>
|
||
<h2>串口的问题<span class="hx:absolute hx:-mt-20" id="串口的问题"></span>
|
||
<a href="#%e4%b8%b2%e5%8f%a3%e7%9a%84%e9%97%ae%e9%a2%98" class="subheading-anchor" aria-label="此章节的永久链接"></a></h2><p>在现场开发的同事反映UOS工控机没有配置串口，每次都需要sudo才能使用。（明明在家里你们都会自己配置好环境与权限，为什么到了现场反而不会了需要我提供协助呢？）</p>
|
||
<p>我之前没考虑过这个问题，认为串口就是得root权限操作才安全。但是既然提出了需求，就赶紧百度并测试一下吧。</p>
|
||
<h2>赋予普通用户串口权限的两种方法<span class="hx:absolute hx:-mt-20" id="赋予普通用户串口权限的两种方法"></span>
|
||
<a href="#%e8%b5%8b%e4%ba%88%e6%99%ae%e9%80%9a%e7%94%a8%e6%88%b7%e4%b8%b2%e5%8f%a3%e6%9d%83%e9%99%90%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%96%b9%e6%b3%95" class="subheading-anchor" aria-label="此章节的永久链接"></a></h2><p>在百度上，给普通用户串口权限有两种主流方法（可能2会了，Google上不去），一种是将用户放入特殊的用户组，从而获得权限。另一种是加入udev规则，在串口插入时自动更改权限。</p>
|
||
<p>我个人更倾向于使用第二种方案，因为公司中不同的人装系统就可能起不同的名字，之后进入生产环境可能又会起新的名字，所以采用第二种设置规则的办法，便于之后制作恢复镜像和一键部署。</p>
|
||
<h2>xxx.rules<span class="hx:absolute hx:-mt-20" id="xxxrules"></span>
|
||
<a href="#xxxrules" class="subheading-anchor" aria-label="此章节的永久链接"></a></h2><p><code>sudo vi /etc/udev/rules.d/70-tty-usb-rules</code>，写入以下内容：</p>
|
||
<div class="hextra-code-block hx:relative hx:mt-6 hx:first:mt-0 hx:group/code">
|
||
|
||
<div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-shell" data-lang="shell"><span style="display:flex;"><span>KERNEL<span style="color:#f92672">==</span><span style="color:#e6db74">"ttyS*"</span>,MODE<span style="color:#f92672">=</span><span style="color:#e6db74">"0666"</span>
|
||
</span></span><span style="display:flex;"><span>KERNEL<span style="color:#f92672">==</span><span style="color:#e6db74">"ttyUSB*"</span>,MODE<span style="color:#f92672">=</span><span style="color:#e6db74">"0666"</span></span></span></code></pre></div></div><div class="hextra-code-copy-btn-container hx:opacity-0 hx:transition hx:group-hover/code:opacity-100 hx:flex hx:gap-1 hx:absolute hx:m-[11px] hx:right-0 hx:top-0">
|
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<button
|
||
class="hextra-code-copy-btn hx:group/copybtn hx:cursor-pointer hx:transition-all hx:active:opacity-50 hx:bg-primary-700/5 hx:border hx:border-black/5 hx:text-gray-600 hx:hover:text-gray-900 hx:rounded-md hx:p-1.5 hx:dark:bg-primary-300/10 hx:dark:border-white/10 hx:dark:text-gray-400 hx:dark:hover:text-gray-50"
|
||
title="复制代码"
|
||
aria-label="复制代码"
|
||
data-copied-label="已复制！"
|
||
>
|
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<div class="hextra-copy-icon hx:group-[.copied]/copybtn:hidden hx:pointer-events-none hx:h-4 hx:w-4"></div>
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<div class="hextra-success-icon hx:hidden hx:group-[.copied]/copybtn:block hx:pointer-events-none hx:h-4 hx:w-4"></div>
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||
<p>这一段的意思是匹配所有ttyS和ttyUSB，插入时都赋予0666的权限，即所有用户都可读可写。重新加载一下设备，就可以按规则配置权限进行操作了。</p>
|
||
<h2>udev规则<span class="hx:absolute hx:-mt-20" id="udev规则"></span>
|
||
<a href="#udev%e8%a7%84%e5%88%99" class="subheading-anchor" aria-label="此章节的永久链接"></a></h2><p>udev是什么？udev是Linux下的设备文件管理方式，运行在用户侧（devfs在内核侧管理设备文件）。有了udev，<code>/dev</code>目录下的文件就都是真实存在的已连接的设备了。</p>
|
||
<p>udev的规则都保存在<code>/etc/udev/rules.d</code>目录下，文件名的格式为<code>数字-名称.rules</code>，数字表示加载顺序，一般是从小往大加载；名称按功能自定义，最后以.rules结尾。这些规则会在设备接入时生效。</p>
|
||
<p>规则文件按行执行，每行分为两个部分：匹配和赋值，每个参数使用逗号,分割。</p>
|
||
<blockquote>
|
||
<p>（这段复制自引用2，仅供参考）。
|
||
<strong>1、udev 规则的所有操作符</strong>
|
||
<strong>==</strong> 比较键、值，若等于，则该条件满足；
|
||
<strong>!=</strong> 比较键、值，若不等于，则该条件满足；
|
||
<strong>=</strong> 对一个键赋值；
|
||
<strong>+=</strong> 为一个表示多个条目的键赋值。
|
||
<strong>:=</strong> 对一个键赋值，并拒绝之后所有对该键的改动，防止后面的规则文件对该键重赋值。</p>
|
||
<p><strong>2、udev 规则的匹配键</strong>
|
||
<strong>ACTION</strong> 事件 (uevent) 的行为，例如：add、remove。
|
||
<strong>KERNEL</strong> 内核设备名称，例如：sda, cdrom。
|
||
<strong>DEVPATH</strong> 设备的 devpath 路径。
|
||
<strong>SUBSYSTEM</strong> 设备的子系统名称，例如：sda 的子系统为 block。
|
||
<strong>BUS</strong> 设备在 devpath 里的总线名称，例如：usb。
|
||
<strong>DRIVER</strong> 设备在 devpath 里的设备驱动名称，例如：ide-cdrom。
|
||
<strong>ID</strong> 设备在 devpath 里的识别号。
|
||
<strong>SYSFS{filename}</strong> 设备的 devpath 路径下，设备的属性文件“filename”里的内容。
|
||
<strong>ENV{key}</strong> 环境变量。在一条规则中，可以设定最多五条环境变量的 匹配键。
|
||
<strong>PROGRAM</strong> 调用外部命令。
|
||
<strong>RESULT</strong> 外部命令 PROGRAM 的返回结果。</p>
|
||
<p><strong>3、udev 的重要赋值键</strong>
|
||
<strong>NAME</strong> /dev目录下显示的文件名重命名
|
||
<strong>SYMLINK</strong> 为 /dev下文件进行符号链接，防止覆盖系统默认产生的文件
|
||
<strong>OWNER, GROUP, MODE</strong> 为设备设定权限。
|
||
<strong>ENV{key}</strong> 导入一个环境变量。</p>
|
||
<p><strong>4、udev 的值和可调用的替换操作符</strong>
|
||
Linux 用户可以随意地定制 udev 规则文件的值。例如：my_root_disk, my_printer。同时也可以引用下面的替换操作符：
|
||
<strong>$kernel, %k</strong> 设备的内核设备名称，例如：sda、cdrom。
|
||
<strong>$number, %n</strong> 设备的内核号码，例如：sda3 的内核号码是 3。
|
||
<strong>$devpath, %p</strong> 设备的 devpath路径。
|
||
<strong>$id, %b</strong> 设备在 devpath里的 ID 号。
|
||
<strong>$sysfs{file}, %s{file}</strong> 设备的 sysfs里 file 的内容。其实就是设备的属性值。
|
||
<strong>$env{key}, %E{key}</strong> 一个环境变量的值。
|
||
<strong>$major, %M</strong> 设备的 major 号。
|
||
<strong>$minor %m</strong> 设备的 minor 号。
|
||
<strong>$result, %c</strong> PROGRAM 返回的结果。
|
||
<strong>$parent, %P</strong> 父设备的设备文件名。
|
||
<strong>$root, %r</strong> udev_root的值，默认是 /dev/。
|
||
<strong>$tempnode, %N</strong> 临时设备名。
|
||
<strong>%%</strong> 符号 % 本身。
|
||
<strong>$$</strong> 符号 $ 本身。</p>
|
||
|
||
</blockquote>
|
||
<h2>参考<span class="hx:absolute hx:-mt-20" id="参考"></span>
|
||
<a href="#%e5%8f%82%e8%80%83" class="subheading-anchor" aria-label="此章节的永久链接"></a></h2><p>[1]https://www.cnblogs.com/qixianyu/p/6869744.html
|
||
[2]https://www.cnblogs.com/cslunatic/p/3171837.html</p>
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</div>
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