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><H1
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><A
NAME="INSTALL-POST"
>15.5. Post-Installation Setup</A
></H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN25440"
>15.5.1. Shared Libraries</A
></H2
><P
> On some systems with shared libraries
you need to tell the system how to find the newly installed
shared libraries. The systems on which this is
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>not</I
></SPAN
> necessary include
<SPAN
CLASS="SYSTEMITEM"
>FreeBSD</SPAN
>,
<SPAN
CLASS="SYSTEMITEM"
>HP-UX</SPAN
>, <SPAN
CLASS="SYSTEMITEM"
>IRIX</SPAN
>, <SPAN
CLASS="SYSTEMITEM"
>Linux</SPAN
>,
<SPAN
CLASS="SYSTEMITEM"
>NetBSD</SPAN
>, <SPAN
CLASS="SYSTEMITEM"
>OpenBSD</SPAN
>, <SPAN
CLASS="SYSTEMITEM"
>Tru64
UNIX</SPAN
> (formerly <SPAN
CLASS="SYSTEMITEM"
>Digital UNIX</SPAN
>), and
<SPAN
CLASS="SYSTEMITEM"
>Solaris</SPAN
>.
</P
><P
> The method to set the shared library search path varies between
platforms, but the most widely-used method is to set the
environment variable <TT
CLASS="ENVAR"
>LD_LIBRARY_PATH</TT
> like so: In Bourne
shells (<TT
CLASS="COMMAND"
>sh</TT
>, <TT
CLASS="COMMAND"
>ksh</TT
>, <TT
CLASS="COMMAND"
>bash</TT
>, <TT
CLASS="COMMAND"
>zsh</TT
>):
</P><PRE
CLASS="PROGRAMLISTING"
>LD_LIBRARY_PATH=/usr/local/pgsql/lib
export LD_LIBRARY_PATH</PRE
><P>
or in <TT
CLASS="COMMAND"
>csh</TT
> or <TT
CLASS="COMMAND"
>tcsh</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>setenv LD_LIBRARY_PATH /usr/local/pgsql/lib</PRE
><P>
Replace <TT
CLASS="LITERAL"
>/usr/local/pgsql/lib</TT
> with whatever you set
<TT
CLASS="OPTION"
><TT
CLASS="LITERAL"
>--libdir</TT
></TT
> to in <A
HREF="install-procedure.html#CONFIGURE"
>step 1</A
>.
You should put these commands into a shell start-up file such as
<TT
CLASS="FILENAME"
>/etc/profile</TT
> or <TT
CLASS="FILENAME"
>~/.bash_profile</TT
>. Some
good information about the caveats associated with this method can
be found at <A
HREF="http://xahlee.org/UnixResource_dir/_/ldpath.html"
TARGET="_top"
>http://xahlee.org/UnixResource_dir/_/ldpath.html</A
>.
</P
><P
> On some systems it might be preferable to set the environment
variable <TT
CLASS="ENVAR"
>LD_RUN_PATH</TT
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>before</I
></SPAN
>
building.
</P
><P
> On <SPAN
CLASS="SYSTEMITEM"
>Cygwin</SPAN
>, put the library
directory in the <TT
CLASS="ENVAR"
>PATH</TT
> or move the
<TT
CLASS="FILENAME"
>.dll</TT
> files into the <TT
CLASS="FILENAME"
>bin</TT
>
directory.
</P
><P
> If in doubt, refer to the manual pages of your system (perhaps
<TT
CLASS="COMMAND"
>ld.so</TT
> or <TT
CLASS="COMMAND"
>rld</TT
>). If you later
get a message like:
</P><PRE
CLASS="SCREEN"
>psql: error in loading shared libraries
libpq.so.2.1: cannot open shared object file: No such file or directory</PRE
><P>
then this step was necessary. Simply take care of it then.
</P
><P
>
If you are on <SPAN
CLASS="SYSTEMITEM"
>Linux</SPAN
> and you have root
access, you can run:
</P><PRE
CLASS="PROGRAMLISTING"
>/sbin/ldconfig /usr/local/pgsql/lib</PRE
><P>
(or equivalent directory) after installation to enable the
run-time linker to find the shared libraries faster. Refer to the
manual page of <TT
CLASS="COMMAND"
>ldconfig</TT
> for more information. On
<SPAN
CLASS="SYSTEMITEM"
>FreeBSD</SPAN
>, <SPAN
CLASS="SYSTEMITEM"
>NetBSD</SPAN
>, and <SPAN
CLASS="SYSTEMITEM"
>OpenBSD</SPAN
> the command is:
</P><PRE
CLASS="PROGRAMLISTING"
>/sbin/ldconfig -m /usr/local/pgsql/lib</PRE
><P>
instead. Other systems are not known to have an equivalent
command.
</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN25494"
>15.5.2. Environment Variables</A
></H2
><P
> If you installed into <TT
CLASS="FILENAME"
>/usr/local/pgsql</TT
> or some other
location that is not searched for programs by default, you should
add <TT
CLASS="FILENAME"
>/usr/local/pgsql/bin</TT
> (or whatever you set
<TT
CLASS="OPTION"
><TT
CLASS="LITERAL"
>--bindir</TT
></TT
> to in <A
HREF="install-procedure.html#CONFIGURE"
>step 1</A
>)
into your <TT
CLASS="ENVAR"
>PATH</TT
>. Strictly speaking, this is not
necessary, but it will make the use of <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
much more convenient.
</P
><P
> To do this, add the following to your shell start-up file, such as
<TT
CLASS="FILENAME"
>~/.bash_profile</TT
> (or <TT
CLASS="FILENAME"
>/etc/profile</TT
>, if you
want it to affect all users):
</P><PRE
CLASS="PROGRAMLISTING"
>PATH=/usr/local/pgsql/bin:$PATH
export PATH</PRE
><P>
If you are using <TT
CLASS="COMMAND"
>csh</TT
> or <TT
CLASS="COMMAND"
>tcsh</TT
>, then use this command:
</P><PRE
CLASS="PROGRAMLISTING"
>set path = ( /usr/local/pgsql/bin $path )</PRE
><P>
</P
><P
>
To enable your system to find the <SPAN
CLASS="APPLICATION"
>man</SPAN
>
documentation, you need to add lines like the following to a
shell start-up file unless you installed into a location that is
searched by default:
</P><PRE
CLASS="PROGRAMLISTING"
>MANPATH=/usr/local/pgsql/share/man:$MANPATH
export MANPATH</PRE
><P>
</P
><P
> The environment variables <TT
CLASS="ENVAR"
>PGHOST</TT
> and <TT
CLASS="ENVAR"
>PGPORT</TT
>
specify to client applications the host and port of the database
server, overriding the compiled-in defaults. If you are going to
run client applications remotely then it is convenient if every
user that plans to use the database sets <TT
CLASS="ENVAR"
>PGHOST</TT
>. This
is not required, however; the settings can be communicated via command
line options to most client programs.
</P
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