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一、CentOS 7下载
http://mirrors.aliyun.com/centos/7/isos/x86_64/
二、CentOS安装（VMware搭建）：最小安装
1、创建VM
网络模式：这里使用桥接模式
2、CentOS配置--安装配置
网路配置：这里网路配置为自动获取，需要打开网卡的自动获取开关
设置root密码
三、CentOS配置
1、修改网络为静态IP
修改/etc/sysconfig/network-scripts/ifcfg-ens32文件，输入
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="ens33"
UUID="35107365-f0d1-42b3-a042-582b55de1b8b"
DEVICE="ens33"
ONBOOT="yes"
IPADDR=192.168.2.106
NETMASK=255.255.255.0
GATEWAY=192.168.2.1重启网路
service network restart2、配置国内yum源
系统默认的yum 源速度往往不尽人意，为了达到快速安装的目的，在这里修改yum源为国内源。
上海交通大学yum源
a. 修改/etc/yum.repos.d/CentOS-Base.repo为：
# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client. You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the
# remarked out baseurl= line instead.
#
#
[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=releasever&arch=basearch&repo=os
baseurl=http://ftp.sjtu.edu.cn/centos/releasever/os/basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=releasever&arch=basearch&repo=updates
baseurl=http://ftp.sjtu.edu.cn/centos/releasever/updates/basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=releasever&arch=basearch&repo=extras
baseurl=http://ftp.sjtu.edu.cn/centos/releasever/extras/basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=releasever&arch=basearch&repo=centosplus
baseurl=http://ftp.sjtu.edu.cn/centos/releasever/centosplus/basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib
#mirrorlist=http://mirrorlist.centos.org/?release=releasever&arch=basearch&repo=contrib
baseurl=http://ftp.sjtu.edu.cn/centos/releasever/contrib/basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7