Tuesday, March 8, 2011

Install Net-SNMP



  Table Of Contents
  Quick Instructions
* Net-SNMP Specific Information
  Long (but you should read these) Instructions
  Installing the Perl/SNMP Module
* Compilers and Options
  Compiling For Multiple Architectures
  Installation Names
  Optional Features
  Sharing Defaults
  Operation Controls

  * = required reading


  1) Run ./configure
     (type "./configure --help" for a quick usage summary.)
     (--prefix=PATH will change the default /usr/local installation path.)
     (see "Compilers and Options" on changing the compiler to use)

  2) Optionally edit include/net-snmp/net-snmp-config.h
     (due to prompting done by the configure script, this is very rarely

  3) make

  4) Run the next command as root:
  5) make install

  6) configure the agent
     (either using 'snmpconf' or by crafting an snmpd.conf file manually.
      The file 'EXAMPLE.conf' may be a suitable starting point)

Note: By default, everything will be installed in /usr/local.
      (see below for more instructions)

Net-SNMP Specific Information

As of UCD-SNMP V3.3.1 the configuration files are now looked for in
$(prefix)/share/snmp, where ($prefix) is defined as the value passed
to the --prefix argument of the configure script, or /usr/local if
undefined.  In version 3.0.3 till 3.3, the files were kept in

Optional features to pass to configure for Net-SNMP can be obtained by
running configure --help.

LONG (but you should read these) INSTRUCTIONS

   The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation.  It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions.  Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, a file
`config.cache' that saves the results of its tests to speed up
reconfiguring, a file `config.log' containing compiler output
(useful mainly for debugging `configure') and a file `configure-summary'
containing the summary displayed at the end of the `configure' run.

   The file `include/net-snmp/net-snmp-config.h' is also generated
at this time.  It contains IMPORTANT information such as the location
of log and configuration files.  In some special cases you may need to
modify this file but it is prefererable to work out a way of getting
`configure' to set things up for your particular environment.

As the `configure' invocation often gets lengthy and difficult to
type or if you have several different ways you want to configure a
system, you may want to create a shell script containing your invocation.

   If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail
diffs or instructions to the address given in the `README' so they can
be considered for the next release.  If at some point `config.cache'
contains results you don't want to keep, you may remove or edit it.

   The file `configure.in' is used to create `configure' by a program
called `autoconf'.  You only need `configure.in' if you want to change
it or regenerate `configure' using a newer version of `autoconf'.

The simplest way to compile this package is:

  1. `cd' to the directory containing the package's source code and type
     `./configure' to configure the package for your system.  If you're
     using `csh' on an old version of System V, you might need to type
     `sh ./configure' instead to prevent `csh' from trying to execute
     `configure' itself.

     Running `configure' takes awhile.  While running, it prints some
     messages telling which features it is checking for.  When it
     completes it prints a short message (also available in configure-summary)
     indicating what functionality will be available when compiled.

  2. If necessary, edit include/net-snmp/net-snmp-config.h (see above).  

  3. Type `make' to compile the package.

  4. Type `make test' which runs a variety of tests to see what functionality
     has been incorporated and if it works.

  5. Type `make install' to install the programs and any data files and

  6. You can remove the program binaries and object files from the
     source code directory by typing `make clean'.  To also remove the
     files that `configure' created (so you can compile the package for
     a different kind of computer), type `make distclean'.

  7. You can remove the application by typing `make uninstall'.

There may be additional installation issues discussed in the 
README's for various platforms such as README.solaris.

Installing the Perl/SNMP Module

   The Perl/SNMP Module is now bundled with the net-snmp package
(which includes other Net-SNMP specific modules as well), all of which
are located in the net-snmp/perl directory. The Perl package provides
a high level abstract interface to the functionality found in the
Net-SNMP libraries and demon applications.

   It is recommended you install the perl modules as you build the
   Net-SNMP package.  The configure script can be run as follows to
   automatically find perl and use it to install the perl modules:

      ./configure --with-perl-modules

   If you wish to use the embedded perl support available in the
   Net-SNMP agent (and starting in Net-SNMP 5.2, the trap receiver),
   then use the following option instead:

      ./configure --enable-embedded-perl --enable-shared

   Starting with Net-SNMP 5.4, configure enables embedded Perl and the 
   Perl modules by default when possible unless explicitly disabled.

   If you wish to build the perl modules by hand, *install Net-SNMP
   first* and then change directories to the perl subdirectory and:

            cd perl
            perl Makefile.PL
            make test
            make install (as root)

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