Centos modify the IP address, gateway, DNS
A, CentOS change the IP address
Modify the configuration file corresponding to the IP address of the network card
# Vi / etc / sysconfig / network-scripts / ifcfg-eth0 Telecommunications
# Vi / etc / sysconfig / network-scripts / ifcfg-eth0: 1 Netcom
Modify the following
DEVICE = eth0 # corresponding to the description of the card device alias, e.g. ifcfg-eth0 file it as eth0
Way BOOTPROTO = static # set ip address of the network card, possible options for the static, dhcp or bootp, corresponding to the specified static ip address, obtained by ip address dhcp protocol, obtained by ip address bootp protocol
BROADCAST = 192.168.0.255 # corresponding to the subnet broadcast address
HWADDR = 00: 07: E9: 05: E8: B4 # corresponding physical address of the network card
IPADDR = 12.168.1.2 # If you set the card to get a static ip address ways to specify this field to specify the ip address of the corresponding network card
IPV6INIT=no
IPV6_AUTOCONF=no
NETMASK = 255.255.255.0 # card corresponding netmask
NETWORK = 192.168.1.0 # card corresponding network addresses
ONBOOT = yes # When the system is set up this network interface startup, set to yes, this device is activated when the system starts
Two, CentOS modify gateway
Gateway changes the corresponding network card configuration file
[root@centos]# vi /etc/sysconfig/network
Modify the following
NETWORKING = yes (indicate whether the system is using the network, usually set to yes. If set to no, you can not use the network, and many system services will not start)
HOSTNAME = centos (set the host name of the machine, where the host names provided and / etc / hosts in the host name corresponding to the set)
GATEWAY = 192.168.1.1 (gateway is provided connected to the machine's IP address. For example, gateway 10.0.0.2)
Three, CentOS modify DNS
Modify the corresponding network card DNS configuration files
# Vi /etc/resolv.conf
Modify the following
nameserver 8.8.8.8 #google domain name server
nameserver 8.8.4.4 #google domain name server
Fourth, restart the network configuration
# service network restart
or
# /etc/init.d/network restart
Modify the IP address
With immediate effect:
# ifconfig eth0 192.168.0.2 netmask 255.255.255.0
Start to take effect:
Modify / etc / sysconfig / network-scripts / ifcfg-eth0
Modify Gateway Default Gateway
With immediate effect:
# route add default gw 192.168.0.1 dev eth0
Start to take effect:
Modify / etc / sysconfig / network
Modify DNS
Modify /etc/resolv.conf
After the modification can take effect immediately, starting as effective
Modify the host name
With immediate effect:
# hostname centos1
Start to take effect:
Modify / etc / sysconfig / network
Original Address: https://www.cnblogs.com/programer-xinmu78/p/10022949.html
A, CentOS change the IP address
Modify the configuration file corresponding to the IP address of the network card
# Vi / etc / sysconfig / network-scripts / ifcfg-eth0 Telecommunications
# Vi / etc / sysconfig / network-scripts / ifcfg-eth0: 1 Netcom
Modify the following
DEVICE = eth0 # corresponding to the description of the card device alias, e.g. ifcfg-eth0 file it as eth0
Way BOOTPROTO = static # set ip address of the network card, possible options for the static, dhcp or bootp, corresponding to the specified static ip address, obtained by ip address dhcp protocol, obtained by ip address bootp protocol
BROADCAST = 192.168.0.255 # corresponding to the subnet broadcast address
HWADDR = 00: 07: E9: 05: E8: B4 # corresponding physical address of the network card
IPADDR = 12.168.1.2 # If you set the card to get a static ip address ways to specify this field to specify the ip address of the corresponding network card
IPV6INIT=no
IPV6_AUTOCONF=no
NETMASK = 255.255.255.0 # card corresponding netmask
NETWORK = 192.168.1.0 # card corresponding network addresses
ONBOOT = yes # When the system is set up this network interface startup, set to yes, this device is activated when the system starts
Two, CentOS modify gateway
Gateway changes the corresponding network card configuration file
[root@centos]# vi /etc/sysconfig/network
Modify the following
NETWORKING = yes (indicate whether the system is using the network, usually set to yes. If set to no, you can not use the network, and many system services will not start)
HOSTNAME = centos (set the host name of the machine, where the host names provided and / etc / hosts in the host name corresponding to the set)
GATEWAY = 192.168.1.1 (gateway is provided connected to the machine's IP address. For example, gateway 10.0.0.2)
Three, CentOS modify DNS
Modify the corresponding network card DNS configuration files
# Vi /etc/resolv.conf
Modify the following
nameserver 8.8.8.8 #google domain name server
nameserver 8.8.4.4 #google domain name server
Fourth, restart the network configuration
# service network restart
or
# /etc/init.d/network restart
Modify the IP address
With immediate effect:
# ifconfig eth0 192.168.0.2 netmask 255.255.255.0
Start to take effect:
Modify / etc / sysconfig / network-scripts / ifcfg-eth0
Modify Gateway Default Gateway
With immediate effect:
# route add default gw 192.168.0.1 dev eth0
Start to take effect:
Modify / etc / sysconfig / network
Modify DNS
Modify /etc/resolv.conf
After the modification can take effect immediately, starting as effective
Modify the host name
With immediate effect:
# hostname centos1
Start to take effect:
Modify / etc / sysconfig / network
Original Address: https://www.cnblogs.com/programer-xinmu78/p/10022949.html