diff options
Diffstat (limited to 'man7/hostname.7')
| -rw-r--r-- | man7/hostname.7 | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/man7/hostname.7 b/man7/hostname.7 deleted file mode 100644 index 58d00d1..0000000 --- a/man7/hostname.7 +++ /dev/null @@ -1,97 +0,0 @@ -.\" Copyright (c) 1987, 1990, 1993 -.\" The Regents of the University of California. All rights reserved. -.\" -.\" SPDX-License-Identifier: BSD-4-Clause-UC -.\" -.\" @(#)hostname.7 8.2 (Berkeley) 12/30/93 -.\" $FreeBSD: src/share/man/man7/hostname.7,v 1.7 2004/07/03 18:29:23 ru Exp $ -.\" -.\" 2008-06-11, mtk, Taken from FreeBSD 6.2 and modified for Linux. -.\" -.TH hostname 7 2023-11-11 "Linux man-pages 6.7" -.SH NAME -hostname \- hostname resolution description -.SH DESCRIPTION -Hostnames are domains, where a domain is a hierarchical, dot-separated -list of subdomains; for example, the machine "monet", in the "example" -subdomain of the "com" domain would be represented as "monet.example.com". -.P -Each element of the hostname must be from 1 to 63 characters long and the -entire hostname, including the dots, can be at most 253 characters long. -Valid characters for hostnames are -.BR ASCII (7) -letters from -.I a -to -.IR z , -the digits from -.I 0 -to -.IR 9 , -and the hyphen (\-). -A hostname may not start with a hyphen. -.P -Hostnames are often used with network client and server programs, -which must generally translate the name to an address for use. -(This task is generally performed by either -.BR getaddrinfo (3) -or the obsolete -.BR gethostbyname (3).) -.P -Hostnames are resolved by the NSS framework in glibc according -to the -.B hosts -configuration in -.BR nsswitch.conf (5). -The DNS-based name resolver -(in the -.B dns -NSS service module) resolves them in the following fashion. -.P -If the name consists of a single component, that is, contains no dot, -and if the environment variable -.B HOSTALIASES -is set to the name of a file, -that file is searched for any string matching the input hostname. -The file should consist of lines made up of two white-space separated strings, -the first of which is the hostname alias, -and the second of which is the complete hostname -to be substituted for that alias. -If a case-insensitive match is found between the hostname to be resolved -and the first field of a line in the file, the substituted name is looked -up with no further processing. -.P -If the input name ends with a trailing dot, -the trailing dot is removed, -and the remaining name is looked up with no further processing. -.P -If the input name does not end with a trailing dot, it is looked up -by searching through a list of domains until a match is found. -The default search list includes first the local domain, -then its parent domains with at least 2 name components (longest first). -For example, -in the domain cs.example.com, the name lithium.cchem will be checked first -as lithium.cchem.cs.example and then as lithium.cchem.example.com. -lithium.cchem.com will not be tried, as there is only one component -remaining from the local domain. -The search path can be changed from the default -by a system-wide configuration file (see -.BR resolver (5)). -.SH SEE ALSO -.BR getaddrinfo (3), -.BR gethostbyname (3), -.BR nsswitch.conf (5), -.BR resolver (5), -.BR mailaddr (7), -.BR named (8) -.P -.UR http://www.ietf.org\:/rfc\:/rfc1123.txt -IETF RFC\ 1123 -.UE -.P -.UR http://www.ietf.org\:/rfc\:/rfc1178.txt -IETF RFC\ 1178 -.UE -.\" .SH HISTORY -.\" Hostname appeared in -.\" 4.2BSD. |