第一步 操作系统安装
第二步 防火墙设置
第三步 SELinux设置
一、操作系统安装：
next
the differences between "Basic Storage Devicec" and "Specialized storage Devices":
Basic Storage Devicec：
The installer automatically detects any locally attached storage
devices,and displays the Storage Device Warning window that asks
you to choose whether to discard or keep existing data on those
devices.
Specialized storage Devices：
The installer displays the Storage Devices Selection window with
tabs for each of the supported device types. You can select the
devices on which to install the operating system in addition to any
drives that the system should mount automatically. To configure
iSCSI or FCoE connections,click Add Advanced Target. You can
filter storage devices by WWID or by a combination of port,target,
and LUN.
ISCSI(Internet Small Computer System Interface) AND FCoE(Fibre Channel over Ethernet) definition：
http://www.jb51.cc/article/p-srxurnjt-hs.html
system clock uses UTC:
Only deselect the System clock uses UTC check Box if the system is an Oracle
Linux and Microsoft Windows dual-boot environment.
第一个选项将删除所有分区，并且系统自动帮你创建新的分区；第二个选项替换掉存在的linux系统，如果安装了Windows系统，有安装了linux系统，它将把你的Windows分区保留，把Linux全部删掉；第三选项个跟逻辑卷有关，减小一个存在的分区；第四个选项使用剩余的空间；第五个选项自定义分区.
