Network Settings for Linux

1.IP settings

Using Lspci | The grep Ethernet command checks if the Ethernet card device on the computer is detected by the kernel.

Then use the "ifconfig" command to view the network interfaces that the system has identified and activated. If it is not found, you can use the "ifconfig-a" command to locate all recognized including inactive network interfaces, and then use "Ifconfig nic name up" to activate.

Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Device=eth0

Hwaddr=08:00:27:56:05:70

Type=ethernet

Uuid=17eb0eac-6783-44e7-a710-32adf3042d37

Onboot=yes

Nm_controlled=yes

Bootproto=static

ipaddr=172.168.18.3

netmask=255.255.255.0

gateway=172.168.18.1

vi/etc/resolv.conf Specify DNS server IP information such as domain name resolution

NameServer 172.168.16.12

NameServer 8.8.8.8

Service Network restart

Firewall

Vi/etc/sysconfig/iptables

When you add a new port, should be added to the default port 22 below this rule

/etc/init.d/iptables Restart #重启防火墙使配置生效

This article is from the "program ape of those Years" blog, please be sure to keep this source http://uyuyuuy.blog.51cto.com/6190986/1791953

Network Settings for Linux