For beginners: liunx centos7.0 Minimal setup manual static IP operation Guide Tutorial

Operating background:

Liunx centos7.0
Minimal install--no setup, no net_tools, etc.
No network is configured when you install the system-you need to configure the network after installation;

Purpose of Operation:

Suitable for rookie, the most simple and understandable operation to complete the network card configuration;

First step: Switch directories

After logging into the system, enter cd/etc/sysconfig/network-scripts/return
Do not remember the path can be more than a few times tab key, will automatically complete/list the optional path;

Step Two: Locate the network card settings file

Input VI ifcfg-e Press the TAB key Auto-complete (different machine card name may be different) carriage return

Step three: Edit the network card settings file

Press the I key once to enter edit mode

What to modify:
(1) Bootproto value DHCP changed to static, that is: automatic IP changed to a stationary IP;
(2) Onboot value no change to Yes: Network card boot;
(3) Add four parameters & values, according to network topology settings, similar to Windows manual IP;
ipaddr=192.168.100.199
netmask=255.255.255.255
gateway=192.168.100.1
dns1=192.168.100.1

Press ESC once modified to exit edit mode
Enter Colon Wq ": Wq" Carriage return _ Note: lowercase;

Fourth step: Restart the system

Enter reboot carriage return;

Fifth Step: Test

Login system after reboot, enter Ping www.baidu.com
Test Ping Pass;

Attached: Network card configuration Parameters detailed
Type: Configure the file interface types. There are various network configuration files in the/etc/sysconfig/network-scripts/directory, such as Ethernet, IPSec, etc., and the network interface type is Ethernet.
Device: Devices to which this profile applies
HWADDR: MAC address of the corresponding device
Bootproto: Address configuration protocol used when activating this device, common DHCP, static, none, BOOTP
NM_CONTROLLED:NM is the abbreviation of NetworkManager, whether this network card accepts NM control; recommended for "No" (NetworkManager: The network Configuration tool for the graphical interface, does not support bridging, it is strongly recommended to close)
Onboot: Whether this device is activated at system boot time
Type: interface types, common Ethernet, Bridge
UUID: Unique identification of the device
IPADDR: Specify IP Address
NETMASK: Subnet Mask
Gateway: Default Gateways
DNS1: The first DNS server points to a
DNS2: The second DNS server points to a
Userctl: Whether a normal user can control this device
Peerdns: If the value of Bootproto is "DHCP", whether to allow DHCP server to assign a DNS server to direct the information to overwrite the/etc/resolv.conf file

For beginners: liunx centos7.0 Minimal setup manual static IP operation Guide Tutorial