linux 基础操作（十）设置 ip

centos7静态 ip设置 ip

1. [root@localhost ~]# cd /etc/sysconfig/network-scripts/
   
2. [root@localhost network-scripts]# ls
   
3. ifcfg-enp0s3  ifdown-eth  
   
4. [root@localhost network-scripts]# vi ifcfg-enp0s3
   
5. 
   
6. TYPE="Ethernet"
   
7. PROXY_METHOD="none"
   
8. BROWSER_ONLY="no"
   
9. # 静态ip
   
10. BOOTPROTO="static"
    
11. DEFROUTE="yes"
    
12. IPV4_FAILURE_FATAL="no"
    
13. IPV6INIT="yes"
    
14. IPV6_AUTOCONF="yes"
    
15. IPV6_DEFROUTE="yes"
    
16. IPV6_FAILURE_FATAL="no"
    
17. IPV6_ADDR_GEN_MODE="stable-privacy"
    
18. NAME="enp0s3"
    
19. UUID="9dbd4c1e-86e9-4ff6-81f0-47951adcfffa"
    
20. DEVICE="enp0s3"
    
21. ONBOOT="yes"
    
22. # ip地址
    
23. IPADDR="192.168.211.243"
    
24. # 子网掩码
    
25. NETMASK="255.255.255.0"
    
26. # 网关
    
27. GATEWAY="192.168.211.254"
    

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设置 DNS

1. [root@localhost network-scripts]# vi /etc/resolv.conf
   
2. 
   
3. # Generated by NetworkManager
   
4. nameserver 201.210.33.52
   
5. nameserver 201.130.33.60
   
6. # 国内
   
7. nameserver 114.114.114.114
   
8. # 阿里
   
9. nameserver 223.5.5.5
   
10. # 百度
    
11. nameserver 180.76.76.76

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重启网卡

1. [root@localhost network-scripts]# service network restart
   
2. Restarting network (via systemctl):                        [  OK  ]

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设置动态 ip设置动态获取 ip

1. [root@localhost ~]# cd /etc/sysconfig/network-scripts/
   
2. [root@localhost network-scripts]# ls
   
3. ifcfg-enp0s3  ifdown-eth  
   
4. [root@localhost network-scripts]# vi ifcfg-enp0s3
   
5. 
   
6. TYPE="Ethernet"
   
7. PROXY_METHOD="none"
   
8. BROWSER_ONLY="no"
   
9. # 动态ip
   
10. BOOTPROTO="DHCP"
    
11. DEFROUTE="yes"
    
12. IPV4_FAILURE_FATAL="no"
    
13. IPV6INIT="yes"
    
14. IPV6_AUTOCONF="yes"
    
15. IPV6_DEFROUTE="yes"
    
16. IPV6_FAILURE_FATAL="no"
    
17. IPV6_ADDR_GEN_MODE="stable-privacy"
    
18. NAME="enp0s3"
    
19. UUID="9dbd4c1e-86e9-4ff6-81f0-47951adcfffa"
    
20. DEVICE="enp0s3"
    
21. ONBOOT="yes"
    

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重启网卡

1. [root@localhost network-scripts]# service network restart
   
2. Restarting network (via systemctl):                        [  OK  ]
   

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