CentOS 7: 配置Network

Command Mode

Step 1 » Network interface config files are located in /etc/sysconfig/network-scripts/ directory. Open ifcfg-enp0s17 file ( For interface enp0s17 ) and you can see the content like below.
[root@krizna ~]# vi /etc/sysconfig/network-scripts/ifcfg-enp0s17 TYPE=Ethernet BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no NAME=enp0s17 UUID=7f1aff2d-b154-4436-9497-e3a4dedddcef ONBOOT=no HWADDR=00:0C:29:A1:B5:D6 PEERDNS=yes PEERROUTES=yes IPV6_PEERDNS=yes IPV6_PEERROUTES=yes

» DHCP configuration

Step 2 » For DHCP
Find the below lines in config File.
BOOTPROTO=none ONBOOT=noand replace with
BOOTPROTO=dhcp ONBOOT=yesNow Restart network service by typing below command.
systemctl restart networkNow your server will get IP Address from DHCP

» Static configuration

Step 3 » For Static IP.
Find the below lines in config File.
BOOTPROTO=none ONBOOT=noand replace with
BOOTPROTO=static ONBOOT=yesAnd add the below lines at the end of the file.
IPADDR=172.27.0.32 NETMASK=255.255.255.0 GATEWAY=172.27.0.1 DNS1=172.27.0.5File will look like below after changes.
TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no NAME=enp0s17 UUID=f0c5b37d-299a-43cb-b74b-618bb252d129 ONBOOT=yes HWADDR=00:0C:29:A1:B5:CC IPV6_PEERDNS=yes IPV6_PEERROUTES=yes IPADDR=192.168.1.10 NETMASK=255.255.255.0 GATEWAY=192.168.1.1 DNS1=192.168.1.5
Now Restart network service by typing below command.
systemctl restart networkNow Interface will have static IP.
Additionally you can use /etc/sysconfig/network file for hostname and DNS .
HOSTNAME=server.krizna.com DNS1=192.168.1.5 DNS2=8.8.8.8 SEARCH=krizna.com

Have a nice day

巴特西

CentOS 7: 配置Network

Command Mode

» DHCP configuration

» Static configuration

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