78 lines
2.2 KiB
Groff
78 lines
2.2 KiB
Groff
.TH HOSTNAME 1 "28 July 1994" "Linux" "Linux Programmer's Manual"
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.SH NAME
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hostname \- show or set the system's host name
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.br
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dnsdomainname \- show the system's domain name
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.SH SYNOPSIS
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.B hostname
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.RB [ \-d ]
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.RB [ \-\-domain ]
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.RB [ \-F\ filename ]
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.RB [ \-\-file\ filename ]
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.RB [ \-f ]
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.RB [ \-\-fqdn ]
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.RB [ \-h ]
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.RB [ \-\-help ]
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.RB [ \-\-long ]
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.RB [ \-s ]
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.RB [ \-\-short ]
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.RB [ \-v ]
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.RB [ \-\-version ]
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.RB [ name ]
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.br
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.B dnsdomainname
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.SH DESCRIPTION
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.B Hostname
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is the program that is used to either set the host name or display
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the current host or domain name of the system. This name is used
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by many of the networking programs to identify the machine.
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.LP
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When called without any arguments, the program displays the current
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name as set by the
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.B hostname
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command. You can change the output format to display always the short
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or the long host name (FQDN). When called with arguments, the program will
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set the value of the host name to the value specified. This usually is
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done only once, at system startup time, by the
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.I /etc/rc.d/rc.inet1
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configuration script.
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.LP
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Note, that only the super-user can change the host name.
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.LP
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If the program was called as
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.B dnsdomainname
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it will show the DNS domain name. You can't change the DNS domain name with
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.B dnsdomainname
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(see below).
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.SH OPTIONS
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.TP
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.I "\-d, \-\-domain"
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Display the name of the DNS domain. Don't use the command
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.B domainname
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to get the DNS domain name because it will show the NIS domain name and
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not the DNS domain name.
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.TP
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.I "\-F, \-\-file filename"
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Read the host name from the specified file. Comments (lines starting with
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a `#') are ignored.
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.TP
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.I "\-f, \-\-fqdn, \-\-long"
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Display the FQDN (Fully Qualified Domain Name). A FQDN consists of a
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short host name and the DNS domain name. Unless you are using bind or NIS
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for host lookups you can change the FQDN and the DNS domain name (which is
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part of the FQDN) in the \fI/etc/hosts\fR file.
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.TP
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.I "\-h, \-\-help"
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Print a usage message on standard output and exit successfully.
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.TP
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.I "\-s, \-\-short"
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Display the short host name.
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.TP
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.I "\-v, \-\-version"
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Print version information on standard output and exit successfully.
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.SH FILES
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.B /etc/hosts
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.SH AUTHOR
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Peter Tobias, <tobias@server.et-inf.fho-emden.de>
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