123 lines
4.0 KiB
Diff
123 lines
4.0 KiB
Diff
diff -up hostname/hostname.1.rh hostname/hostname.1
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--- hostname/hostname.1.rh 2011-12-23 11:06:18.000000000 +0100
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+++ hostname/hostname.1 2011-12-24 09:19:03.000000000 +0100
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@@ -98,6 +98,33 @@ complete FQDN of the system is returned
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.B "THE FQDN"
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below).
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+.LP
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+The function
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+.BR gethostname(2)
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+is used to get the hostname. When the
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+.BR "hostname \-a, \-d, \-f or \-i"
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+is called will
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+.BR gethostbyname(3)
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+be called. The difference in
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+.BR gethostname(2)
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+and
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+.BR gethostbyname(3)
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+is that
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+.BR gethostbyname(3)
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+is network aware, so it consults
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+.IR /etc/nsswitch.conf
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+and
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+.IR /etc/host.conf
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+to decide whether to read information in
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+.IR /etc/sysconfig/network
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+or
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+.IR /etc/hosts
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+
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+To add another dimension to this,
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+the
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+.B hostname
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+is also set when the network interface is brought up.
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+
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.SS "SET NAME"
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When called with one argument or with the
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.B \-\-file
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@@ -113,7 +140,7 @@ and
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use
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.BR setdomainname (2).
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Note, that this is effective only until the next reboot.
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-Edit /etc/hostname for permanent change.
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+After reboot original names from \fI/etc/hosts\fR are used again.
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.LP
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Note, that only the super-user can change the names.
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.LP
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@@ -124,10 +151,10 @@ command (see
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below).
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.LP
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The host name is usually set once at system startup in
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-.I /etc/init.d/hostname.sh
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+.I /etc/rc.d/rc.sysinit
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(normally by reading the contents of a file which contains
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the host name, e.g.
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-.IR /etc/hostname ).
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+.IR /etc/sysconfig/network ).
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.SS THE FQDN
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You can't change the FQDN (as returned by
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@@ -227,7 +254,7 @@ Display the short host name. This is the
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Print version information on standard output and exit successfully.
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.TP
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.I "\-v, \-\-verbose"
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-Be verbose and tell what's going on.
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+Verbose output was removed.
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.TP
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.I "\-y, \-\-yp, \-\-nis"
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Display the NIS domain name. If a parameter is given (or
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@@ -246,9 +273,7 @@ option in
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.SH FILES
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.B /etc/hosts
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-.B /etc/hostname
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-Historically this file was supposed to only contain the hostname and not the
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-full canonical FQDN. Nowadays most software is able to cope with a full FQDN here.
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+.B /etc/sysconfig/network
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.SH AUTHORS
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Peter Tobias, <tobias@et-inf.fho-emden.de>
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.br
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diff -up hostname/Makefile.rh hostname/Makefile
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--- hostname/Makefile.rh 2010-11-16 14:13:21.000000000 +0100
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+++ hostname/Makefile 2011-12-24 09:17:16.000000000 +0100
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@@ -7,26 +7,28 @@ OBJS=hostname.o
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hostname: $(OBJS)
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$(CC) $(CFLAGS) -o $@ $(OBJS) -lnsl
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- ln -fs hostname dnsdomainname
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- ln -fs hostname domainname
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- ln -fs hostname ypdomainname
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- ln -fs hostname nisdomainname
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install: hostname
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install -d ${BASEDIR}/usr/share/man/man1
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- install -o root -g root -m 0644 hostname.1 ${BASEDIR}/usr/share/man/man1
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+ install -m 0644 hostname.1 ${BASEDIR}/usr/share/man/man1
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ln -fs hostname.1 ${BASEDIR}/usr/share/man/man1/dnsdomainname.1
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ln -fs hostname.1 ${BASEDIR}/usr/share/man/man1/domainname.1
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ln -fs hostname.1 ${BASEDIR}/usr/share/man/man1/ypdomainname.1
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ln -fs hostname.1 ${BASEDIR}/usr/share/man/man1/nisdomainname.1
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- install -o root -g root -m 0644 hostname.1.fr ${BASEDIR}/usr/share/man/fr/man1/hostname.1
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+ install -d ${BASEDIR}/usr/share/man/fr/man1
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+ install -m 0644 hostname.1.fr ${BASEDIR}/usr/share/man/fr/man1/hostname.1
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+ ln -fs hostname.1 ${BASEDIR}/usr/share/man/fr/man1/dnsdomainname.1
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+ ln -fs hostname.1 ${BASEDIR}/usr/share/man/fr/man1/domainname.1
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+ ln -fs hostname.1 ${BASEDIR}/usr/share/man/fr/man1/ypdomainname.1
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+ ln -fs hostname.1 ${BASEDIR}/usr/share/man/fr/man1/nisdomainname.1
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+
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install -d ${BASEDIR}/bin
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- install -o root -g root -m 0755 hostname ${BASEDIR}/bin
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- ln -f hostname ${BASEDIR}/bin/dnsdomainname
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- ln -f hostname ${BASEDIR}/bin/domainname
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- ln -f hostname ${BASEDIR}/bin/nisdomainname
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- ln -f hostname ${BASEDIR}/bin/ypdomainname
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+ install -m 0755 hostname ${BASEDIR}/bin
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+ ln -fs hostname ${BASEDIR}/bin/dnsdomainname
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+ ln -fs hostname ${BASEDIR}/bin/domainname
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+ ln -fs hostname ${BASEDIR}/bin/nisdomainname
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+ ln -fs hostname ${BASEDIR}/bin/ypdomainname
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clean:
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-rm -f $(OBJS) hostname dnsdomainname domainname nisdomainname ypdomainname
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