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centos7.2安装

centos7.2安装

作者: 全宇宙最帅De男人 | 来源:发表于2018-07-24 19:59 被阅读0次

    CentOS 7.2安装手册

    一、系统安装

    1. 系统引导

    (1)成功引导系统后,会出现下面的界面

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    界面说明:

    Install CentOS linux7 à 安装CentOS 7【新装系统,选择此项】

    Test this media & install CentOS 7 à 测试安装文件并安装CentOS 7

    Troubleshooting à 修复故障

    (2)点击回车键,进入下面界面

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    (3)点击回车键,进入下面界面

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    2. 选择语言

    中文-简体中文(中国),点击“继续”按钮;

    说明:正式生产服务器建议安装英文版本;

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    3. 一站式安装

    在此界面,需要把所有带 <v:shape id="_x0000_i1076" type="#_x0000_t75" alt="http://s3.51cto.com/wyfs02/M02/77/F0/wKiom1ZxY-LRsyAVAAADyWElrHg886.png" style="width:22.8pt;height:19.8pt;visibility:visible;mso-wrap-style:square"><v:imagedata src="file:///C:\Users\lijc\AppData\Local\Temp\msohtmlclip1\01\clip_image005.png" o:title="wKiom1ZxY-LRsyAVAAADyWElrHg886"></v:imagedata></v:shape>内容的感叹号全部消除,才可进行安装

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    4. 日期和时间

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    选择上海,并选择24小时制,设置完成,单击“完成”按钮

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    5. 键盘(可不选)

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    单击“+”按钮,添加新的键盘布局方式,选中要添加的语言,单击“添加”按钮,添加完成后,单击“完成”按钮;

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    6. 语言支持

    说明:上一个主界面已经设置,这里不用再次设置

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    7. 安装源

    验证光盘或镜像是否完整,防止安装过程出现软件包不完整,导致无法安装

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    (1)单击验证

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    (2)验证界面,如下

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    (3)完成验证,点击“完成”按钮;

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    8. 软件选择

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    基本网页服务器,勾选如图

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    9. 安装位置

    (1)分区方式设置:选择“我要配置分区”,点击“完成”按钮;

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    (2)查看空间:可用空间和总空间是否一致:

    a. 一致:点击“+”,进行分区;

    <v:shape id="图片_x0020_14" o:spid="_x0000_i1061" type="#_x0000_t75" style="width:376.8pt;
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    b. 不一致:点击 “刷新” <v:shape id="_x0000_i1060" type="#_x0000_t75" style="width:18.6pt;
    height:15.6pt;visibility:visible;mso-wrap-style:square"><v:imagedata src="file:///C:\Users\lijc\AppData\Local\Temp\msohtmlclip1\01\clip_image021.png" o:title=""></v:imagedata></v:shape>按钮,点击“重新扫面磁盘”

    <v:shape id="图片_x0020_17" o:spid="_x0000_i1059" type="#_x0000_t75" style="width:373.8pt;
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    c. 完成后,点“确定”按钮

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    (3)分区:

    swap交换分区一般为内存大小的2倍,一般不过超20GB,请根服务器的内存大小灵活配置

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    Boot分区,大小为500MB

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    /分区,大小为10240MB(10GB),

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    剩余空间全部分为/home,且为最大(该挂载点名称需要手动输入,期望容量为空时,则默认剩余空间全部分给该分区)

    注:此处图片是/data,换成/home

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    (4)分区完成后,点击“完成”按钮;

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    (5)点击“接受更改”按钮

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    10. 网络与主机名

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    (1)点击配置

    注意:不要修改主机名,否则会出问题!!!

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    (2)连接名称 改为:eth0,

    IPv4设置 方法改为:手动;

    点击add添加一个IP;

    设置完成后的点击“保存”按钮;

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    (3)将网络设置成“开启”状态,点击“完成”按钮;

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    11. SECURITY POLICY设置

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    将Apply security policy 关闭,点击“完成”按钮;

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    12. 开始安装

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    (1) 设置密码

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    密码设置完成后,点击“完成”按钮

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    (2)安装完成后,点击“重启”按钮;

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    至此,安装部分结束。

    二、网络配置

    1. 网卡设置

    (1) 查看IP信息

    使用命令:ifconfig,图中网卡名称不是eth0,需要修改;

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    (2) 修改网卡名称

    进入路径 /etc/sysconfig/network-scripts,查看网卡名称

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    修改网卡名称

    命令:mv ifcfg-ens33 ifcfg-eth0(如果有多块网卡,网卡名依次修改成ifcfg-eth0、 ifcfg-eth1、ifcfg-eth2……,ifcfg-lo****是本地环回网卡,不需要动

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    (3) 编辑网卡配置文件

    原文件

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    修改成:

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    非常重要!!!

    所有关于IPV6的信息都可以全部删除

    以下信息设置为:

    BOOTPROTO=static

    DEVICE=eth0 (如果有多块网卡,则eth1、eth2……)

    ONBOOT=yes

    IPADDR=服务器IP(如果有多块网卡,IP设置成一样)

    PREFIX=24

    GATEWAY=服务器IP对应网关(如果有多块网卡,网关设置成一样)

    HWADDR=该网卡对应mac地址(一定要和网卡名称对应)

    2. Grub文件配置

    (1) 进入路径/etc/sysconfig,编辑grub文件

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    (2) 在第六句话内,加入net.ifnames=0 biosdevname=0

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    (3) 重新构建新的img文件,

    命令:grub2-mkconfig -o /boot/grub2/grub.cfg

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    (4) 重启服务器reboot

    (5) 再次查看IP信息。

    至此,网络配置完成。

    三、关闭防火墙

    1. 关闭firewalld的开机自启动,命令:systemctl disable firewalld.service

    确认firewalld开机自动启动已关闭,命令:systemctl status firewalld.service

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    1. 关闭firewalld防火墙,命令:systemctl stop firewalld.service

    确认firewalld是否停止,命令:systemctl status firewalld

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    1. 关闭iptables开机自启动,命令:systemctl disable iptables.service

    确认iptables开机自启动已关闭,命令:systemctl status iptables.service

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    1. 关闭iptables防火墙,命令:systemctl stop iptables.service

    确认iptables是否停止,命令:systemctl status iptables.service

    <v:shape id="图片_x0020_16" o:spid="_x0000_i1030" type="#_x0000_t75" style="width:378.6pt;height:96pt;visibility:visible;mso-wrap-style:square"><v:imagedata src="file:///C:\Users\lijc\AppData\Local\Temp\msohtmlclip1\01\clip_image051.png" o:title=""></v:imagedata></v:shape>

    1. 关闭ip6tables开机自启动,命令:systemctl disable ip6tables.service

    确认ip6tables开机自启动已关闭,命令:systemctl status ip6tables.service

      <v:shape id="图片_x0020_19" o:spid="_x0000_i1029" type="#_x0000_t75" style="width:332.4pt;height:94.8pt;visibility:visible;
    

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    1. 关闭ip6tables防火墙,命令:systemctl stop ip6tables.service

    确认ip6tables是否停止,命名:systemctl status ip6tables.service

    <v:shape id="图片_x0020_22" o:spid="_x0000_i1028" type="#_x0000_t75" style="width:380.4pt;height:94.8pt;visibility:visible;
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    1. 进入路径/etc/selinux/config,编辑文件config

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    将SELINUX状态改成disabled

    <v:shape id="图片_x0020_1" o:spid="_x0000_i1026" type="#_x0000_t75" style="width:378pt;height:120.6pt;
    visibility:visible;mso-wrap-style:square"><v:imagedata src="file:///C:\Users\lijc\AppData\Local\Temp\msohtmlclip1\01\clip_image055.png" o:title=""></v:imagedata></v:shape>

    至此,防火墙全部关闭。

    附件

    安装完centos7.3环境系统后需要安装环境包,使CMS更好的适用于centos7.3环境,方法如下:

    进入公司SVN路径:http://10.1.2.172/svn/release/产品文档/8_操作系统镜像文件及常用软件/centos-7.3-x86_64,将文件redhat7.3_x64_upgreppackages.tar.gz复制到路径/home/chnsys下,使用命令tar –xvf 解压出来,进入解压包文档,执行安装命令,如图

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