Re: how to start snmpd in Ubuntu

Hi,

I was also getting this error .. with non-root user [from some other group]
if I executed the snmpd its logging same error.

Its bit wired but I guess that was an environmental issue or some clean-up.
With root the command was getting executed successfully.



On Thu, Sep 2, 2010 at 7:02 PM, Abraham Varricatt <
[email protected]<abraham.varricatt%[email protected]>
> wrote:

> Well, to answer my own question, I got it to run ... kindof. Here's what I
> did,
>
> First I needed to add an entry 'LD_LIBRARY_PATH="/usr/local/lib" ' to
> my /etc/environment file. That helps sudo to know what path to look
> into. Now, just blindly running the command with "sudo" didn't still
> help me. I had to use the "-i" setting. So, the final command I ran is
> this,
>
> > sudo -i snmpd -f -Lo -C -c /home/abraham/snmpd.conf
> NET-SNMP version 5.5
>
> The console window the just stays stuck there without any activity
> (running "ps -ae" from another console shows that snmpd is running)
>
> Now, from another console I try to run this,
>
> > snmpget -v 2c -c private localhost sysUpTime.0
> Timeout: No Response from localhost.
> > snmpget -v 2c -c private 127.0.0.1 sysUpTime.0
> Timeout: No Response from 127.0.0.1.
>
> For some reason snmpget isn't getting any responses. Just to confirm
> that the port 161 is ACTUALLY in use by snmpd, I run this,
>
> > sudo sockstat
> USER     PROCESS              PID      PROTO  SOURCE ADDRESS
>  FOREIGN ADDRESS           STATE
> root     sshd                 536      tcp4   *:22
>  *:*                       LISTEN
> avahi    avahi-daemon         555      udp4   *:5353
>  *:*                       CLOSED
> avahi    avahi-daemon         555      udp4   *:58068
>  *:*                       CLOSED
> root     dhclient             577      udp4   *:68
>  *:*                       CLOSED
> root     cupsd                774      tcp4   127.0.0.1:631
>  *:*                       LISTEN
> root     sshd                 1204     tcp4   192.168.1.3:22
>  192.168.1.4:4585          ESTABLISHED
> root     sshd                 1273     tcp4   192.168.1.3:22
>  192.168.1.4:4585          ESTABLISHED
> root     sshd                 1311     tcp4   192.168.1.3:22
>  192.168.1.4:4592          ESTABLISHED
> root     sshd                 1375     tcp4   192.168.1.3:22
>  192.168.1.4:4592          ESTABLISHED
> root     ping                 1392     raw    *:1
>  *:*                       CLOSED
> root     snmpd                1411     udp4   *:161
>  *:*                       CLOSED
>
>
> The good news is that snmpd has indeed latched itself to UDP:161. BUT,
> the status is shown as "CLOSED". Did I compile it wrong? For reference
> here is the configuration file I'm using (created with snmpconf)
>
> > cat snmpd.conf
> ###########################################################################
> #
> # snmpd.conf
> #
> #   - created by the snmpconf configuration program
> #
>
> ###########################################################################
> # SECTION: Access Control Setup
> #
> #   This section defines who is allowed to talk to your running
> #   snmp agent.
>
> # rocommunity: a SNMPv1/SNMPv2c read-only access community name
> #   arguments:  community [default|hostname|network/bits] [oid]
>
> rocommunity  public
>
> >
>
> For the sake of legibility, I've removed a lot of blank lines from the
> above output.
>
> Anyone have any clues on what could be going on here?
>
> Stumped,
> Abraham Varricatt
>
>
>
>
> On Thu, Sep 2, 2010 at 6:14 PM, rakesh zingade <[email protected]>
> wrote:
> > I guess the port 161 is in use .. try with some other port
> >
> > check using
> > # netstat -an | grep 161
> > before running snmpd on udp161 ..
> >
> >
> > On Thu, Sep 2, 2010 at 4:44 PM, Abraham Varricatt
> > <[email protected]<abraham.varricatt%[email protected]>>
> wrote:
> >>
> >> I think I'm almost there now. Running your suggestion gave me this,
> >>
> >> > snmpd -f -Lo -C -c snmpd.conf
> >> Error opening specified endpoint ""
> >> Server Exiting with code 1
> >>
> >> I felt that the endpoint needed to get mentioned so,
> >>
> >> > snmpd -f -Lo udp:161 -C -c snmpd.conf
> >> Error opening specified endpoint "udp:161"
> >> Server Exiting with code 1
> >>
> >> I read online about using "sockstat" to see if the port was in-use,
> >> but it turns out nothing's running there. A little later I discovered
> >> that ports below 1024 are locked out of regular users. So I tried
> >> running the above command with sudo (there is no root user in ubuntu)
> >> and I get this,
> >>
> >> > sudo snmpd -f -Lo udp:161 -C -c snmpd.conf
> >> snmpd: error while loading shared libraries: libnetsnmpagent.so.20:
> >> cannot open shared object file: No such file or directory
> >>
> >> It's similar to my first problem (different email) but I can't figure
> >> out how to get sudo to recognize my "LD_LIBRARY_PATH" variable that I
> >> mentioned in my ".bashrc" file.
> >>
> >> Hints/Help?
> >>
> >> Even more puzzled,
> >> Abraham Varricatt
> >>
> >> On Thu, Sep 2, 2010 at 4:06 PM, rakesh zingade <[email protected]
> >
> >> wrote:
> >> > Try executing snmpd on foreground
> >> >
> >> > # snmpd -f -Lo -C -c <path for snmpd.conf>
> >> >
> >> > see if it generate any error message ..
> >> >
> >> > check for valid config stuff in snmpd.conf.. snmpconf -g basic_setup
> may
> >> > help to configure snmpd.conf
> >> >
> >> >
> >> >
> >> > On Thu, Sep 2, 2010 at 3:52 PM, Abraham Varricatt
> >> > <[email protected]<abraham.varricatt%[email protected]>>
> wrote:
> >> >>
> >> >> I've done a compile & install of net-snmp 5.5 according to the
> >> >> instructions in INSTALL. How do I start the snmpd agent on my system
> ?
> >> >> (Ubuntu 10.04 running in VirtualBox)
> >> >>
> >> >> This doesn't work,
> >> >>
> >> >> > snmpd -c .snmp/snmpd.conf
> >> >> > snmpget -v 2c -c private localhost SNMPv2-MIB::sysUpTime.0
> >> >> Timeout: No Response from localhost.
> >> >>
> >> >> In fact, I don't see snmpd anywhere when I try "ps -ae" either !
> >> >>
> >> >> Puzzled,
> >> >> Abraham Varricatt
> >> >>
> >> >>
> >> >>
> >> >>
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> >> >
> >> >
> >> >
> >> > --
> >> > Rakesh P. Zingade
> >> > +919420626099
> >> >
> >
> >
> >
> > --
> > Rakesh P. Zingade
> > +919420626099
> >
>



-- 
Rakesh P. Zingade
+919420626099

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