Modify host IP, host name under Linux

*********************************************** Declaration ********************************************* * 

original works, from the "Deep Blue Blog" blog, Welcome Reprint, please be sure to indicate the source when reproduced , otherwise be held responsible for copyright law.

Please leave a message or email ([email protected]) to indicate the error.

This reprint must be kept here: http://blog.csdn.net/huangyanlong/article/details/39214985

Deep Blue Blog:http://blog.csdn.net/huangyanlong

***************************************************************************************************

1. Modify the network configuration

Last Login:sat Sep 6 17:33:02 2014

[Email protected] ~]# vi/etc/sysconfig/network-scripts/ifcfg-eth0

--Pre-modification

# Intel Corporation 82540EM gigabitethernet Controller

Device=eth0

Bootproto=dhcp

Onboot=yes

hwaddr=08:00:27:80:63:5b

~

~

--After modification

# Intel Corporation 82540EM gigabitethernet Controller

Device=eth0

Bootproto=static

ipaddr=10.53.105.65

netmask=255.255.255.0

Onboot=yes

hwaddr=08:00:27:80:63:5b

~

[Email protected] ~]# service Network Restart

Shutting down interface eth0: [OK]

Shutting down loopback interface: [OK]

Bringing up loopback interface: [OK]

Bringing up interface Eth0:rtnetlink answers:invalid argument

[OK]

2. Modify the hosts configuration

[Email protected] ~]# vi/etc/hosts

# don't remove the following line, orvarious programs

# that require network functionality Willfail.

127.0.0.1 CentOS Localhost.localdomainlocalhost

:: 1 localhost6.localdomain6 Localhost6

10.53.105.65 Hyldb

~

~

3. Modify the network configuration

[Email protected] ~]# vi/etc/sysconfig/network

--Pre-modification

Networking=yes

Networking_ipv6=yes

Hostname=centos

gateway=10.53.105.255

~

~

--After modification

Networking=yes

Networking_ipv6=no

Hostname=hyldb

gateway=10.53.105.255

~

~

--Restart the system for the configuration to take effect

[Email protected] ~]# reboot

Broadcast message from root (PTS/3) (Sunsep 7 00:00:08 2014):

The system is going down for reboot now!

After the restart, the effect is as follows:

Last Login:sat Sep 6 23:55:38 from 10.53.105.69

[Email protected] ~]# ifconfig

Eth0 Link encap:ethernet hwaddr08:00:27:80:63:5b

inet addr:10.53.105.65 bcast:10.53.105.255 mask:255.255.255.0

Inet6 ADDR:FE80::A00:27FF:FE80:635B/64 Scope:link

Up broadcast RUNNING multicast mtu:1500 metric:1

RX packets:44 errors:0 dropped:0 overruns:0 frame:0

TX packets:73 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:5283 (5.1 KiB) txbytes:10654 (10.4 KiB)

Lo Link encap:local Loopback

inet addr:127.0.0.1 mask:255.0.0.0

Inet6 addr::: 1/128 scope:host

Up LOOPBACK RUNNING mtu:16436 metric:1

RX packets:5900 errors:0 dropped:0 overruns:0 frame:0

TX packets:5900 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:10634248 (10.1 MiB) txbytes:10634248 (10.1 MiB)

[Email protected] ~]# hostname

Hyldb

[Email protected] ~]#

*********************************************** Declaration ********************************************* * 

original works, from the "Deep Blue Blog" blog, Welcome Reprint, please be sure to indicate the source when reproduced , otherwise be held responsible for copyright law.

Please leave a message or email ([email protected]) to indicate the error.

This reprint must be kept here: http://blog.csdn.net/huangyanlong/article/details/39214985

Deep Blue Blog:http://blog.csdn.net/huangyanlong

***************************************************************************************************

Modify host IP, host name under Linux