I don't know why the agent is crashing, but I can answer your other questions:
On 30 May 2012 06:22, <b...@robocomai.com> wrote:
> If I wanted to pipe all output to the /var/log/snmpd.log file instead of the
> syslog, how would I change the passed arguments?
-Lf /var/log/snmpd.log
or
-LF0-6 /var/log/snmpd.log
(instead of -LS0-6d -Ld /dev/null)
Basically, anything starting '-L' is concerned with logging.
See snmpcmd(1) for details.
> What are the advantages of performing the install to /usr/local rather than
> /usr?
The reason for installing to /usr/local by default (for any
application package), is
to keep local customisations and additions, separate from the main
operating system.
If you were re-installing onto a fresh system, you could in principle
bundle up the
whole of /usr/local and unpack this on top of a virgin install.
If you install directly into the "normal" locations, you end up
with a mixture of
vendor-supplied and user-compiled packages, all mixed together. Unpicking this
would be a nightmare!
It also means that you can install/uninstall the vendor-supplied package without
affecting the user-compiled version, or vice versa. If a
user-compiled version is
installed directly into the vendor-supplied locations, then you might
get into the
following scenario:
yum install net-snmp.rpm
(vendor supplied - probably as part of the initial install)
make install
(user compiled - overwriting the vendor supplied files)
yum remove net-snmp
(deleting the "vendor supplied" files, which are
actually the user-compiled versions which overwrote them)
The one time that it would be reasonable to use the same locations
for vendor-supplied and user-compiled versions of the software, is if the
user-compiled version will be installed in the same way as the vendor-supplied
version, hence cleanly replacing it. I.e. if you were constructing RPMs to
upgrade the vendor-supplied package to the user-compiled version.
But that's a relatively advanced scenario, and we'd expect anyone doing
that to be sufficiently experienced to be able to handle it for themselves.
We can't provide RPMs tailored to each individual O/S, so the simpler
(and safer) approach is to install into /usr/local instead.
Dave
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