联想小新笔记本装centos7系统要怎么安装

2025-02-13 10:46:12
推荐回答(1个)
回答1:

一、安装CentOS 7.3

成功引导系统后,会出现下面的界面

界面说明:

Install CentOS 7 #安装CentOS 7

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

Troubleshooting #修复故障

这里选择Install CentOS Linux7,安装CentOS  7,回车,进入下面的界面

语言选择界面,正式生产服务器建议安装英文版本。

Continue继续

选择-系统SYSTEM-安装位置INSTALLTION DESTINATION,进入磁盘分区界面

选择-其它存储选项Other Storage Options-分区Partitoning-我要配置分区I will configure partitioning,

点左上角的“完成Done”,进入下面的界面

新挂载点使用以下分区方案:标准Standard Partition

完成Done

分区前先规划好,swap #交换分区,一般设置为内存的2倍,/ #剩余所有空间

备注:生产服务器建议单独再划分一个/data分区存放数据

点左下角的“+”号,挂载点:swap,期望容量:4096,添加挂载点,如下图所示,继续点左下角的“+”号,挂载点:“ / ”期望容量:留空   #默认为剩余所有空间,添加挂载点,如下图所示

点左上角的“完成Done”,进入下面的界面

接受更改Accept Changes,进入下面的界面

软件SOFTWARE”-“软件选择SOFTWARE SELECTION”,我们使用的是Minimal版本,默认是最小化安装。

设置完成后,点Done

开始安装Begin Installation

进入下面的界面

选择-用户设置USER SETTINGS-ROOT密码,进入下面的界面

设置Root密码

如果密码长度少于5位,会提示要按“完成”两次来确认,安装继续。安装完成之后,会进入下面的界面.

重启Reboot

进入登录界面,输入用户名【root】密码【itnihao】,系统登录成功

回到顶部

二、设置IP地址、网关DNS

说明:CentOS 7.x默认安装好之后是没有自动开启网络连接的,所 以需要我们自己配置。

在命令行输入#vi  /etc/sysconfig/network-scripts/ifcfg-ens33  #编辑配置文件,添加修改或添加以下内容。
BOOTPROTO=static#启用静态IP地址
ONBOOT=yes  #开启自动启用网络连接
IPADDR=192.168.1.73   #设置网关
GATEWAY=192.168.1.1
NETMASK=255.255.255.0
DNS1=114.114.114.114
DNS2=8.8.8.8

:wq!  #保存退出

service network restart   #重启网络

ping www.baidu.com  #测试网络是否正常

ip addr  #查看IP地址

至此,CentOS 7.3.1611系统安装配置图解教程完成!

回到顶部

三:附加

1、修改主机名

#hostnamectl set-hostname  compute1

2.修改网卡名

CentOS 7.x系统中网卡命名规则被重新定义,可能会是”ifcfg-ens33”等,下面我们把网卡改为ifcfg-eth0这种。

1、cd  /etc/sysconfig/network-scripts/

mv  ifcfg-ens33  ifcfg-eth0  #修改名称

vi  ifcfg-eth0  #编辑

NAME=eth0   #修改

DEVICE=eth0   #修改

:wq! #保存退出

2、vi /etc/sysconfig/grub  #编辑

在”GRUB_CMDLINE_LINUX“变量中添加一句”net.ifnames=0 biosdevname=0“

:wq! #保存退出

3、运行命令:grub2-mkconfig -o /boot/grub2/grub.cfg  #重新生成grub配置并更新内核参数

4、添加udev的规则

在”/etc/udev/rules.d“目录中创建一个网卡规则”70-persistent-net.rules“,并写入下面的语句:

SUBSYSTEM=="net",ACTION=="add",DRIVERS=="?*",ATTR{address}=="00:0c:29:1e:a3:77",ATTR{type}=="1" ,KERNEL=="eth*",NAME="eth0"

#ATTR{address}=="00:0c:29:1e:a3:77"是网卡的MAC地址

cd  /etc/udev/rules.d

vi  70-persistent-net.rules   #添加

SUBSYSTEM=="net",ACTION=="add",DRIVERS=="?*",ATTR{address}=="00:0c:29:1e:a3:77",ATTR{type}=="1" ,KERNEL=="eth*",NAME="eth0"

:wq! #保存退出

shutdown -r now  #重启系统

网卡已经更改为eth0

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