CentOS 7.2安裝手冊
一、系統(tǒng)安裝
1. 系統(tǒng)引導
(1)成功引導系統(tǒng)后，會出現(xiàn)下面的界面
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界面說明：
Install CentOS linux7 à 安裝CentOS 7【新裝系統(tǒng)，選擇此項】
Test this media & install CentOS 7 à 測試安裝文件并安裝CentOS 7
Troubleshooting à 修復故障
(2)點擊回車鍵，進入下面界面
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(3)點擊回車鍵，進入下面界面
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2. 選擇語言
中文-簡體中文（中國），點擊“繼續(xù)”按鈕；
說明：正式生產(chǎn)服務器建議安裝英文版本；
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3. 一站式安裝
在此界面，需要把所有帶 <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>內(nèi)容的感嘆號全部消除，才可進行安裝
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4. 日期和時間
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選擇上海，并選擇24小時制，設置完成，單擊“完成”按鈕
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5. 鍵盤（可不選）
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單擊“+”按鈕，添加新的鍵盤布局方式，選中要添加的語言，單擊“添加”按鈕，添加完成后，單擊“完成”按鈕；
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6. 語言支持
說明：上一個主界面已經(jīng)設置，這里不用再次設置
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7. 安裝源
驗證光盤或鏡像是否完整，防止安裝過程出現(xiàn)軟件包不完整，導致無法安裝
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(1)單擊驗證
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(2)驗證界面，如下
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(3)完成驗證，點擊“完成”按鈕；
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8. 軟件選擇
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基本網(wǎng)頁服務器，勾選如圖
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9. 安裝位置
(1)分區(qū)方式設置：選擇“我要配置分區(qū)”，點擊“完成”按鈕；
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(2)查看空間：可用空間和總空間是否一致:
a. 一致：點擊“+”，進行分區(qū)；
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b. 不一致：點擊 “刷新” <v:shape id="_x0000_i1060" type="#_x0000_t75" style="width:18.6pt;
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c. 完成后，點“確定”按鈕
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(3)分區(qū)：
swap交換分區(qū)一般為內(nèi)存大小的2倍，一般不過超20GB，請根服務器的內(nèi)存大小靈活配置
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Boot分區(qū)，大小為500MB
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/分區(qū)，大小為10240MB(10GB)，
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剩余空間全部分為/home，且為最大（該掛載點名稱需要手動輸入，期望容量為空時，則默認剩余空間全部分給該分區(qū)）
注：此處圖片是/data，換成/home
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(4)分區(qū)完成后，點擊“完成”按鈕；
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(5)點擊“接受更改”按鈕
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10. 網(wǎng)絡與主機名
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(1)點擊配置
注意：不要修改主機名，否則會出問題！！！
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(2)連接名稱 改為：eth0，
IPv4設置 方法改為：手動；
點擊add添加一個IP；
設置完成后的點擊“保存”按鈕；
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(3)將網(wǎng)絡設置成“開啟”狀態(tài)，點擊“完成”按鈕；
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11. SECURITY POLICY設置
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將Apply security policy 關閉，點擊“完成”按鈕；
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12. 開始安裝
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(1) 設置密碼
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密碼設置完成后，點擊“完成”按鈕
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(2)安裝完成后，點擊“重啟”按鈕；
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至此，安裝部分結束。
二、網(wǎng)絡配置
1. 網(wǎng)卡設置
(1) 查看IP信息
使用命令：ifconfig，圖中網(wǎng)卡名稱不是eth0，需要修改；
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(2) 修改網(wǎng)卡名稱
進入路徑 /etc/sysconfig/network-scripts，查看網(wǎng)卡名稱
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修改網(wǎng)卡名稱
命令：mv ifcfg-ens33 ifcfg-eth0（如果有多塊網(wǎng)卡，網(wǎng)卡名依次修改成ifcfg-eth0、 ifcfg-eth1、ifcfg-eth2……，ifcfg-lo****是本地環(huán)回網(wǎng)卡，不需要動）
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(3) 編輯網(wǎng)卡配置文件
原文件
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修改成：
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非常重要！！！
所有關于IPV6的信息都可以全部刪除
以下信息設置為：
BOOTPROTO=static
DEVICE=eth0 （如果有多塊網(wǎng)卡，則eth1、eth2……）
ONBOOT=yes
IPADDR=服務器IP（如果有多塊網(wǎng)卡，IP設置成一樣）
PREFIX=24
GATEWAY=服務器IP對應網(wǎng)關（如果有多塊網(wǎng)卡，網(wǎng)關設置成一樣）
HWADDR=該網(wǎng)卡對應mac地址（一定要和網(wǎng)卡名稱對應）
2. Grub文件配置
(1) 進入路徑/etc/sysconfig，編輯grub文件
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(2) 在第六句話內(nèi)，加入net.ifnames=0 biosdevname=0
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(3) 重新構建新的img文件，
命令：grub2-mkconfig -o /boot/grub2/grub.cfg
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(4) 重啟服務器reboot
(5) 再次查看IP信息。
至此，網(wǎng)絡配置完成。
三、關閉防火墻
- 關閉firewalld的開機自啟動，命令：systemctl disable firewalld.service
確認firewalld開機自動啟動已關閉，命令：systemctl status firewalld.service
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- 關閉firewalld防火墻，命令：systemctl stop firewalld.service
確認firewalld是否停止，命令：systemctl status firewalld
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- 關閉iptables開機自啟動，命令：systemctl disable iptables.service
確認iptables開機自啟動已關閉，命令：systemctl status iptables.service
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- 關閉iptables防火墻，命令：systemctl stop iptables.service
確認iptables是否停止，命令：systemctl status iptables.service
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- 關閉ip6tables開機自啟動，命令：systemctl disable ip6tables.service
確認ip6tables開機自啟動已關閉，命令：systemctl status ip6tables.service
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- 關閉ip6tables防火墻，命令：systemctl stop ip6tables.service
確認ip6tables是否停止，命名：systemctl status ip6tables.service
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- 進入路徑/etc/selinux/config，編輯文件config
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將SELINUX狀態(tài)改成disabled
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至此，防火墻全部關閉。
附件
安裝完centos7.3環(huán)境系統(tǒng)后需要安裝環(huán)境包，使CMS更好的適用于centos7.3環(huán)境，方法如下：
進入公司SVN路徑：http://10.1.2.172/svn/release/產(chǎn)品文檔/8_操作系統(tǒng)鏡像文件及常用軟件/centos-7.3-x86_64，將文件redhat7.3_x64_upgreppackages.tar.gz復制到路徑/home/chnsys下，使用命令tar –xvf 解壓出來，進入解壓包文檔，執(zhí)行安裝命令，如圖
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[QB1]截圖錯誤，應該是net.ifnames=0
CyU???,??
