ddd

配置系统

  • 操作系统版本

    [root@cobbler ~]# cat /etc/issue 
    CentOS release 6.6 (Final) 
    Kernel \r on an \m

  • 配置网络,更新时间,测试yum,

    [root@cobbler ~]# yum -y install vim lrzsz wget rdate 
    [root@cobbler ~]# rdate -s rdate.darkorb.net

  • 关闭防火墙和selinux(修改为重启)

    [root@cobbler ~]# iptables -F 
    [root@cobbler ~]# service iptables save 
    [root@cobbler ~]# chkconfig iptables off 
    [root@cobbler ~]# sed -i ‘s/SELINUX=enforcing/SELINUX=disabled/’ /etc/selinux/config 
    [root@cobbler ~]# reboot

安装cobbbler

  • 安装epel源

    [root@cobbler ~]# rpm -Uvh http://mirrors.ustc.edu.cn/epel/6/x86_64/epel-release-6-8.noarch.rpm 
    [root@cobbler ~]# yum clean all

  • 安装cobbler

    [root@cobbler ~]# yum install -y cobbler cobbler-web tftp dhcp httpd cman pykickstart debmirror syslinux

  • 安装cobbler依赖包

    [root@cobbler ~]# yum install -y ed patch perl perl-Compress-Zlib perl-Digest-SHA1 perl-LockFile-Simple perl-libwww-perl

  • 设置服务开机启动

    [root@cobbler ~]# chkconfig httpd on 
    [root@cobbler ~]# chkconfig dhcpd on 
    [root@cobbler ~]# chkconfig xinetd on 
    [root@cobbler ~]# chkconfig cobblerd on

配置服务

  • 配置web

[root@cobbler ~]# sed -i ‘s/#ServerName www.example.com:80/ServerName 127.0.0.1:80/’ /etc/httpd/conf/httpd.conf 
[root@cobbler ~]# service httpd restart

  • 配置cobbler和cobbler-web 
    [root@cobbler ~]# sed -i ‘s/server: 127.0.0.1/server: 192.168.10.220/’ /etc/cobbler/settings 
    [root@cobbler ~]# sed -i ‘s/@arches=”i386”/#@arches=”i386”/’ /etc/debmirror.conf 
    [root@cobbler ~]# sed -i ‘s/@dists=”sid”/#@dists=”sid”/’ /etc/debmirror.conf 
    [root@cobbler ~]# sed -i ’14s/yes/no/’ /etc/xinetd.d/tftp 
    [root@cobbler ~]# sed -i ‘6s/yes/no/’ /etc/xinetd.d/rsync 
    [root@cobbler ~]# sed -i ‘s/module = authn_configfile/module = authn_pam/’ /etc/cobbler/modules.conf 
    [root@cobbler ~]# sed -i ‘s/admin = “”/admin = “admin”/’ /etc/cobbler/users.conf

  • 配置dhcp 
    [root@cobbler ~]# sed -i ‘s/manage_dhcp: 0/manage_dhcp: 1/’ /etc/cobbler/settings

[root@cobbler ~]# vi /etc/cobbler/dhcp.template

<code class="language-subnet 192.168.10.0 netmask 255.255.255.0 { hljs lasso has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">     option routers             <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.254</span>;
     option subnet<span class="hljs-attribute" style="box-sizing: border-box;">-mask</span>         <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">255.255</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.255</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.0</span>;
     range dynamic<span class="hljs-attribute" style="box-sizing: border-box;">-bootp</span>        <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.220</span> <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.230</span>;
     default<span class="hljs-attribute" style="box-sizing: border-box;">-lease</span><span class="hljs-attribute" style="box-sizing: border-box;">-time</span>         <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">21600</span>;
     <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">max</span><span class="hljs-attribute" style="box-sizing: border-box;">-lease</span><span class="hljs-attribute" style="box-sizing: border-box;">-time</span>             <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">43200</span>;
     next<span class="hljs-attribute" style="box-sizing: border-box;">-server</span>                <span class="hljs-variable" style="color: rgb(102, 0, 102); box-sizing: border-box;">$next_server</span>;</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li></ul>

[root@cobbler ~]# vi /etc/dhcp/dhcpd.conf

<code class="hljs lasso has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">ddns<span class="hljs-attribute" style="box-sizing: border-box;">-update</span><span class="hljs-attribute" style="box-sizing: border-box;">-style</span> interim;

allow booting;
allow bootp;

ignore client<span class="hljs-attribute" style="box-sizing: border-box;">-updates</span>;
<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">set</span> vendorclass <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> option vendor<span class="hljs-attribute" style="box-sizing: border-box;">-class</span><span class="hljs-attribute" style="box-sizing: border-box;">-identifier</span>;

option pxe<span class="hljs-attribute" style="box-sizing: border-box;">-system</span><span class="hljs-attribute" style="box-sizing: border-box;">-type</span> code <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">93</span> <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> unsigned <span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">integer</span> <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">16</span>;

subnet <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.0</span> netmask <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">255.255</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.255</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.0</span> {
     option routers             <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.254</span>;
     option subnet<span class="hljs-attribute" style="box-sizing: border-box;">-mask</span>         <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">255.255</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.255</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.0</span>;
     filename                   <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"/pxelinux.0"</span>;
     range dynamic<span class="hljs-attribute" style="box-sizing: border-box;">-bootp</span>        <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.220</span> <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.230</span>;
     default<span class="hljs-attribute" style="box-sizing: border-box;">-lease</span><span class="hljs-attribute" style="box-sizing: border-box;">-time</span>         <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">21600</span>;
     <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">max</span><span class="hljs-attribute" style="box-sizing: border-box;">-lease</span><span class="hljs-attribute" style="box-sizing: border-box;">-time</span>             <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">43200</span>;
     next<span class="hljs-attribute" style="box-sizing: border-box;">-server</span>                <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">192.168</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.10</span><span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">.220</span>;
}</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li><li style="box-sizing: border-box; padding: 0px 5px;">7</li><li style="box-sizing: border-box; padding: 0px 5px;">8</li><li style="box-sizing: border-box; padding: 0px 5px;">9</li><li style="box-sizing: border-box; padding: 0px 5px;">10</li><li style="box-sizing: border-box; padding: 0px 5px;">11</li><li style="box-sizing: border-box; padding: 0px 5px;">12</li><li style="box-sizing: border-box; padding: 0px 5px;">13</li><li style="box-sizing: border-box; padding: 0px 5px;">14</li><li style="box-sizing: border-box; padding: 0px 5px;">15</li><li style="box-sizing: border-box; padding: 0px 5px;">16</li><li style="box-sizing: border-box; padding: 0px 5px;">17</li><li style="box-sizing: border-box; padding: 0px 5px;">18</li><li style="box-sizing: border-box; padding: 0px 5px;">19</li></ul>

加密密码 
[root@cobbler ~]# openssl passwd -1 -salt ‘emith’ ‘free’ 
$1$emith$zU.REuEXKHgAvNJKr6MND/

[root@cobbler ~]# vi /etc/cobbler/settings 
default_password_crypted: "$1$emith$zU.REuEXKHgAvNJKr6MND/"

  • 重启服务 
    [root@cobbler ~]# useradd admin 
    [root@cobbler ~]# passwd admin 
    [root@cobbler ~]# cobbler get-loaders 
    [root@cobbler ~]# service xinetd restart 
    [root@cobbler ~]# service cobblerd restart 
    [root@cobbler ~]# cobbler sync

    -

登录cobbler_web界面

http://10.0.0.101/cobbler_web 
用户名:admin 
密码: 系统admin的密码

先看效果: https://renmaiwang.cn/s/jkhfz Hue系列产品将具备高度的个性化定制能力,并且借助内置红、蓝、绿三原色LED的灯泡,能够混合生成1600万种不同色彩的灯光。 整个操作流程完全由安装于iPhone上的应用程序进行管理。 这一创新举措为智能照明控制领域带来了新的启示,国内相关领域的从业者也积极投身于相关研究。 鉴于Hue产品采用WiFi无线连接方式,而国内WiFi网络尚未全面覆盖,本研究选择应用更为普及的蓝牙技术,通过手机蓝牙与单片机进行数据交互,进而产生可调节占空比的PWM信号,以此来控制LED驱动电路,实现LED的调光功能以及DIY调色方案。 本文重点阐述了一种基于手机蓝牙通信的LED灯设计方案,该方案受到飞利浦Hue智能灯泡的启发,但考虑到国内WiFi网络的覆盖限制,故而选用更为通用的蓝牙技术。 以下为相关技术细节的详尽介绍:1. **智能照明控制系统**:智能照明控制系统允许用户借助手机应用程序实现远程控制照明设备,提供个性化的调光及色彩调整功能。 飞利浦Hue作为行业领先者,通过红、蓝、绿三原色LED的混合,能够呈现1600万种颜色,实现了全面的定制化体验。 2. **蓝牙通信技术**:蓝牙技术是一种低成本、短距离的无线传输方案,工作于2.4GHz ISM频段,具备即插即用和强抗干扰能力。 蓝牙协议栈由硬件层和软件层构成,提供通用访问Profile、服务发现应用Profile以及串口Profiles等丰富功能,确保不同设备间的良好互操作性。 3. **脉冲宽度调制调光**:脉冲宽度调制(PWM)是一种高效能的调光方式,通过调节脉冲宽度来控制LED的亮度。 当PWM频率超过200Hz时,人眼无法察觉明显的闪烁现象。 占空比指的...
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