Why does my hostname appear with the address 127.0.1.1 rather than 127.0.0.1 in /etc/hosts?

There isn’t a great deal of difference between the two; 127/8 (eg: 127.0.0.0 => 127.255.255.255) are all bound to the loopback interface.

The reason why is documented in the Debian manual in Ch. 5 Network Setup – 5.1.1. The hostname resolution.

Ultimately, it is a bug workaround; the original report is 316099.

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