在RHEL(Redhat)系统中挂载U盘与光盘ISO镜像的方法
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'><strong>挂载U盘</strong><br>
1. 切换为root用户，基本登录用户权限不足（很关键）<br>
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<span><u>复制代码</u></span>
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代码如下:</p>
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su root</div>
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<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>输入正确口令</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'> </span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>2. 进入 /sbin/ 目录，执行</span></p>
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<span><u>复制代码</u></span>
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代码如下:</p>
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./fdisk -l</div>
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<span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>命令，查看当前所有磁盘信息，会分别列出本地硬盘和U盘的信息</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>例如我的U盘标识信息为 /dev/sdc1</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>我机器上fdisk命令不是随便哪里都可以执行的，必须切换到 /sbin/目录，用root用户执行才出正确效果</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'> </span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>3. 建立挂接文件夹</span></p>
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<span><u>复制代码</u></span>
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代码如下:</p>
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mkdir /mnt/usb</div>
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<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>/mnt/文件夹下通常放置系统外接入磁盘，例如光驱，软驱等</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'> </span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>4. 执行挂接</span></p>
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<span><u>复制代码</u></span>
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代码如下:</p>
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mount /dev/sdc1 /mnt/usb</div>
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<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>注意目前RedHat不通过外部辅助工具，只能挂接FAT32格式U盘，NTFS虽然在fdisk命令中能查看出来，但无法挂接成功，需要借助ntf-3g等辅助工具完成</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>挂接成功后就可以切到 /mnt/usb 目录下查看U盘文件内容了。</span></p>
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<strong>挂载ISO镜像文件 </strong></p>
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第一步<br>
确认ISO镜像文件的路径所在<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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# cd /ISO<br>
# ls<br>
linux7.iso</div>
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第二步<br>
新建一个用于挂载ISO镜像的路径，并执行挂载命令<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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# mkdir /Linux-CD<br>
# mount -o loop -t iso9660 /ISO/linux7.iso /Linux-CD<br>
mount: /dev/loop0 </div>
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<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>写保护，将以只读方式挂载</span></p>
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第三步<br>
进入刚才用于挂载ISO的目录，查看是否挂载成功<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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# cd /Linux-CD<br>
# ls -l</div>
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<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>总用量 812</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 4 root root 2048 5月 7 2014 addons</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 3 root root 2048 5月 7 2014 EFI</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>-r--r--r--. 1 root root 8266 4月 4 2014 EULA</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>-r--r--r--. 1 root root 18092 3月 6 2012 GPL</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 3 root root 2048 5月 7 2014 images</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 2 root root 2048 5月 7 2014 isolinux</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 2 root root 2048 5月 7 2014 LiveOS</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>-r--r--r--. 1 root root 108 5月 7 2014 media.repo</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 2 root root 774144 5月 7 2014 Packages</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 24 root root 6144 5月 7 2014 release-notes</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>dr-xr-xr-x. 2 root root 4096 5月 7 2014 repodata</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>-r--r--r--. 1 root root 3375 4月 1 2014 RPM-GPG-KEY-redhat-beta</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>-r--r--r--. 1 root root 3211 4月 1 2014 RPM-GPG-KEY-redhat-release</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>-r--r--r--. 1 root root 1568 5月 7 2014 TRANS.TBL</span></p>
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常用的软件包都存放在 Packages 文件夹下，挂载后可以方便安装需要的软件或依赖包。</p>
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