"Linux learning is not difficult" Linux network configuration file (3):/etc/hosts file

26.3 "Linux Learning is not difficult " Linux network configuration file (3):/etc/hosts file

When the computer starts, the computer needs to query for some hostname-to-IP address matching before DNS can be queried. These matching information is stored in the/etc/hosts file. In the absence of a domain name server, all network programs on the system resolve the IP address corresponding to a host name by querying the file.
The following is an example of the contents of the/etc/hosts file.

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4:: 1 localhost localhost.localdomain Localhost6 localhost6.localdomain6 192.168.0.2 rhel.test.com rhel//Leftmost column is the computer IP address, the middle column is the host name, the rightmost column is the alias of the host

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"Linux learning is not difficult" Linux network configuration file (3):/etc/hosts file