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evlremote



DESCRIPTION

       The  2  main components of remote event forwarding/logging
       are:

       The Event Consolidation Host
              The event consolidation host  is  a  collecter  for
              events logged by multiple hosts in the network.  It
              accepts events transmitted  via  UDP  or  TCP,  but
              will  only log events from a particular host if its
              hostname is  stored  in  the  /etc/evlog.d/evlhosts
              file.

       Event Forwarding Plug-ins
              Plug-ins  register  with  the evlogd daemon to read
              events from the evlogd "event stream"  and  provide
              alternative   methods  of  processing  and  logging
              events.  2 plug-ins are availiable  for  forwarding
              events:  udp_rmtlog_be,  which transmits using UDP,
              and tcp_rmtlog_be, which trasmits using TCP.


SETTING-UP THE EVENT CONSOLIDATOR

       The evlogrmtd daemon is installed when the main event log­
       ging  software  is  installed  in  user  space.  evlogrmtd
       starts  during  bootup,  opens  the  /etc/evlog.d/evlhosts
       file,  and  if there are hosts listed, attempts to resolve
       each of the hostnames to an IP address.  If it  is  unable
       to  resolve  any of the hosts, evlogrmtd exits; otherwise,
       it continues to run  waiting  for  remote  hosts  to  send
       events  (UDP)  or  request  a  connection  and send events
       (TCP).

       Follow these steps to configure the evlogrmtd...

       (1) Log in as root

       (2) Edit /etc/evlog.d/evlhosts to add an  entry  for  each
       host  that  you  want the evlogrmtd to accept events from.
       Each entry must specify host name, either simple  name  or
       fqdn,  and  also  a unique identifier for each host.  This
       identifier can be up to 2 bytes, but cannot be equal to  0
       (it will be ignored).

       The following are all valid entries:

           (identifier)  (hostname)

              1          mylinuxbox
            120.115      mylinuxbox2.foo.bar.com
            0xabcd       yourlinuxbox


       "TCPPort" must match the TCP port used by remote hosts for
       sending events to the event consolidator.

       "UDPPort" must match the UDP port used by remote hosts for
       sending events to the event consolidator.

       Note that the evlogrmtd is  capable  of  accepting  events
       simultaneously  from  different  hosts  using both UDP and
       TCP.  All of the hosts must be the same architecture.

       (4) Restart the evlog subsystem

              /etc/init.d/evlog restart

       Note that evlogrmtd is only started if there is  an  evlo­
       grmt.conf file.

       If  evlogrmtd  cannot  resolve  any of the hosts listed in
       evlhosts, or there are  no  entries  in  /etc/evlog.d/evl­
       hosts, then the evlogmrtd will exit.


SETTING-UP THE PLUG-INs

       The  udp_rmtlog_be  and tcp_remlog_be plugins are included
       in the evlog package.

       Follow these steps to configure and start the plug-in...

       (1) Login as root.

       (2) cd to /etc/evlog.d

       (3) If you are using UDP, then edit udp_rmtlog_be.conf  to
       specify...

       * IP address, or hostname, for the event consolidator

       *  Port  number - should match the port number used by the
       event consolidator

       * Disable=no to send events using UDP

       If you are using  TCP,  then  edit  tcp_rmtlog_be.conf  to
       specify...

       * IP address, or hostname, for the event consolidator

       *  Port  number - should match the port number used by the

       *  Edit /etc/init.d/evlog...

            under "start(), add "-u" after /sbin/evlogd

       *  /etc/init.d/evlog restart

       You  may  also  want to delete start-up scripts under rc.d
       for evlnotify, evlaction, and evlogrmt since they are only
       useful  if you are logging locally.  Also, you may want to
       delete /etc/cron.d/evlogmgr.cron.

       (5) If this is the first host you've configured to  trans­
       mit  events,  it  will  be necessary tor restart the evlog
       subsystem as follows:

               /etc/init.d/evlog start


FILES

       /etc/evlog.d/evlhosts
              evlogrmtd accepts events from these hosts

       /etc/evlog.d/evlogrmtd.conf
              evlogrmtd configuration file

       /etc/evlog.d/udp_rmtlog_be.conf
              UDP plug-in configuration file

       /etc/evlog.d/tcp_rmtlog_be.conf
              TCP plug-in configuration file

Remote Event Forwarding  6 December 2002              EVLREMOTE()

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