Centos 7.4安装练习
安装CentOS7.4步骤：打开虚拟机软件VMware Workstation
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点击 左上角"文件-新建虚拟机"，
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选择"自定义"下一步。
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默认选择"下一步"。
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选择"稍后安装操作系统-下一步"
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根据上图所示选择后，点击"下一步"
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这里更改虚拟机的名称和安装路径，更改完成后单击"下一步"
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这个可以根据实际情况选择处理器的数量和核心数量，选择后点击"下一步"
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设置虚拟机的内存大小，设置好了后点击"下一步"
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选择网络类型，可根据实际情况选择，本次安装选择第一项"使用桥接网络"点击"下一步"
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选择I/O控制器类型，默认选择第二项 ，单击"下一步"
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选择虚拟磁盘类型，默认选择第二项 "SCSI(S)推荐"，单击"下一步"
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选择第一项"创建新虚拟磁盘"点击"下一步"
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这里可以根据实际情况更改磁盘的大小，选择第三项后点击"下一步"
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点击"下一步"
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点击"完成"
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点击"编辑虚拟机"
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单击CD/DVD,添加系统镜像文件。
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单击浏览，选择镜像文件所在位置
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这里选择centos7.4版本的镜像文件：CentOS-7.4-x86_64-DVD-1708。
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点击"确定"
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选择"开启虚拟机"
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使用光标移动选择Install Centos 7,按回车键确定
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启动过程
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选择安装系统的语言，点击Continue
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设置日期和时间，安装语言包，安装的软件包、分区等
选择DATE&TIME，设置日期和时间
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点击"DONE"完成
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软件安装这里暂时选择最小化安装。
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硬盘分区
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这里选择标准分区，点击"+"
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/Boot分区分200mb
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Swap分区分512MB
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剩下的容量给/分区
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这里选择"Accept Change"同意
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点击"Begin installation"开始安装
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然后设置root密码和创建用户和密码
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单击"Done"
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单击创建普通用户账号和密码
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等待安装
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点击"reboot"重启
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重启完成后如图，输入账号和密码登录
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使用root账号登录后如图
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使用vi编辑器更改 /etc/sysconfig/network-scripts/ifcfg-ens33
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按I进入编辑模式
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修改IP地址，子网掩码，默认网关，DNS，启动网卡，等
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重启网卡
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检查IP地址是否生效，ping百度能否ping通
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打开SecureCRT软件，通过SSH连接linux主机
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输入IP地址，点击"连接"
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选择"接受并保持"
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输入账号，
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输入密码
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登录成功，现在就可以通过SecureCRT软件操作linux主机了 。
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