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Add local loopback address to CentOS7

Source: Internet
Author: User
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1. temporarily add ipaddradd10.10.1.1/32 devlo: 1 restart failed 2. add cd/etc/sysconfig/network-scriptscpifcfg-loifcfg-lo permanently: 1 [root @ localhostnetwork-scripts] # catifcfg-lo: 1 DEVICE = lo: 1 IPADDR = 10.1 1. temporarily add
Ip addr add 10.10.1.1/32 dev lo: 1
Reboot failed


2. add permanently
Cd/etc/sysconfig/network-scripts
Cp ifcfg-lo: 1


[Root @ localhost network-scripts] # cat ifcfg-lo: 1
DEVICE = lo: 1
IPADDR = 10.10.1.1
NETMASK = 255.255.255.255.255
ONBOOT = yes
NAME = loopback1


[Root @ localhost network-scripts] # ip addr
1: lo: Mtu 65536 qdisc noqueue state UNKNOWN
Link/loopback 00: 00: 00: 00: 00: 00 brd 00: 00: 00: 00: 00: 00
Inet 127.0.0.1/8 scope host lo
Valid_lft forever preferred_lft forever
Inet 10.10.1.1/32 brd 10.10.1.1 scope global lo: 1
Valid_lft forever preferred_lft forever
Inet6: 1/128 scope host
Valid_lft forever preferred_lft forever


[Root @ localhost network-scripts] # ping-c1 10.10.1.1
PING 10.10.1.1 (10.10.1.1) 56 (84) bytes of data.
64 bytes from 10.10.1.1: icmp_seq = 1 ttl = 64 time = 0.045 MS

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