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学习CentOS有一段时间了，在平时使用过程中。系统镜像以及光盘使用的比较多，这篇文章就从实用的角度介绍相关有关光盘与镜像文件的使用。
因为物理机相关的截图不方便，所以本次实验我们全部在VMware Workation上进行。首先把光盘进行放到光驱中，如下：
我现在使用的这个镜像文件为VMtools的工具包，大小不到600M。所以在CentOS中应该是以CDROM的形式存在。现在登陆进入系统，并挂载该设备。如下：
mount -o ro /dev/cdrom /media/
注意该命令中的-o ro参数，该参数的意思是把/dev/cdrom这个设备以只读的形式挂载到/media目录下。
有关mount命令的相关使用方法，可以查看帮助文档。如下：
mount –help
使用df以及mount命令查看挂载，如下：
刚刚是挂载光盘，现在我们如果要更换光盘的话。就要先取消挂载即卸载，然后弹出该光盘，如下：
umount /media/
以上是我们使用的是CD光盘，如果我们现在使用DVD光盘，挂载如下：
mount -o ro /dev/dvd /media/
DVD光盘的弹出和CD光盘的命令一样，也是使用eject。
以上是光盘在CentOS中的使用，说实话现在光盘使用的几率比较小了，使用最多的还是ISO镜像文件。
下面我们就开始配置如何在CentOS中使用镜像文件，首先把镜像文件下载或者上传到CentOS系统中。如下：
使用如下命令进行挂载，如下：
mount -o loop /iso/CentOS-6.5-i386-minimal.iso /media/
注意该命令中的-o loop参数，该参数的意思是把/iso/CentOS-6.5-i386-minimal.iso这个文件以虚拟设备形式挂载到/media目录下。
如果不想使用该镜像文件的话，我们还是可以使用umount卸载即可。
到此这篇文章就介绍完毕，有关光盘和ISO镜像文件的使用。其实，只要光盘和ISO镜像文件挂载后，我们就可以像目录一样对其进行相关的操作。
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timestamp.txtcentos 6.5镜像文件有几个?_百度知道
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CentOS-6.5-i386-bin-DVD1.iso CentOS-6.5-i386-bin-DVD2.iso CentOS-6.5-x86_64-bin-DVD1.iso
CentOS-6.5-x86_64-bin-DVD2.iso要是最小安装的话用DVD1就成了，希望对你有帮助！
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In that phase, only those security updates deemed crucial are released in this phase.
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Aside from the normal DVD and CD ISO images, the CentOS project occasionally releases special ISO images.
Not all point releases get fresh spins of what is substantiall if the latest and greatest refresh point spin does not have what you seek, you may wish to use the last version seen for a LiveCD or ServerCD, and as appropriate run updates in a post-install process: LiveCD - Bootable CD image with a working environment directly from CD ServerCD - Installable CD image with a limited package-set for server installations netinstall - Minimal CD image to start network installations (&10M) The netinstall iso will only work with the corresponding point release, eg one cannot use the netinstall from CentOS Linux 6.2 to install CentOS Linux 6.3.
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