70 lines
2.1 KiB
Diff
70 lines
2.1 KiB
Diff
diff -up hostname/Makefile.rh hostname/Makefile
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--- hostname/Makefile.rh 2013-11-04 10:12:59.670379153 +0100
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+++ hostname/Makefile 2013-11-04 10:15:04.957314495 +0100
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@@ -10,21 +10,17 @@ OBJS=hostname.o
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hostname: $(OBJS)
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$(CC) $(CFLAGS) -o $@ $(OBJS) $(LDFLAGS) -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 ${BASEDIR}$(MANDIR)/man1
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- install -o root -g root -m 0644 hostname.1 ${BASEDIR}$(MANDIR)/man1
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+ install -m 0644 hostname.1 ${BASEDIR}$(MANDIR)/man1
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ln -fs hostname.1 ${BASEDIR}$(MANDIR)/man1/dnsdomainname.1
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ln -fs hostname.1 ${BASEDIR}$(MANDIR)/man1/domainname.1
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ln -fs hostname.1 ${BASEDIR}$(MANDIR)/man1/ypdomainname.1
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ln -fs hostname.1 ${BASEDIR}$(MANDIR)/man1/nisdomainname.1
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install -d ${BASEDIR}$(BINDIR)
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- install -o root -g root -m 0755 hostname ${BASEDIR}$(BINDIR)
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+ install -m 0755 hostname ${BASEDIR}$(BINDIR)
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ln -fs hostname ${BASEDIR}$(BINDIR)/dnsdomainname
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ln -fs hostname ${BASEDIR}$(BINDIR)/domainname
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ln -fs hostname ${BASEDIR}$(BINDIR)/nisdomainname
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diff -up hostname/hostname.1.rh hostname/hostname.1
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--- hostname/hostname.1.rh 2013-11-03 15:24:23.000000000 +0100
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+++ hostname/hostname.1 2013-11-04 10:12:59.670379153 +0100
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@@ -80,6 +80,28 @@ 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/hostname
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+or
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+.IR /etc/hosts
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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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@@ -105,8 +127,7 @@ command (see
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.B "THE FQDN"
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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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+The host name is usually set once at system startup
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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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