What to do if modifying the hosts file in Linux does not work

1. Linux often does not take effect after modifying the hostName of the local alias /etc/hosts. Solution

Linux often fails to take effect after modifying the hostName of the local alias /etc/hosts. It takes effect,

For example, the content of our /etc/hosts is as follows:

#192.68.1.10 message.xxx.com
192.68.1.11 message.xxx.com

But ping message.xxx.com still points to 192.68.1.10.

Generally there are 2 solutions:

1). Restart, this is the most direct, reliable and stable method. If it is sometimes inconvenient to restart, you can use the second one. method.

2). Modify the /etc/sysconfig/network file and change HOSTNAME to the corresponding alias, as follows:

NETWORKING=yes
HOSTNAME=host1

Restart the network service after modification

service network restart ( The essence is /etc/init.d/network)

3). If it still doesn’t work after restarting the server, it should be caused by the local dns cache.

Check whether nscd is enabled: ps -ef|grep nscd

Close the Linux nscd cache service directly:

/etc/init.d/nscd stop

Related recommendations: "linux tutorial》

The above is the detailed content of What to do if modifying the hosts file in Linux does not work. For more information, please follow other related articles on the PHP Chinese website!