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network logging via djb's multilog

November 8, 2007

Had this recipe stuck in an old email somewhere, hope this helps someone else

The attached run files are required for the server who captures logs and the client which will send the logging data request.


#!/bin/sh export PATH=”/usr/local/bin:$PATH” setuidgid remoteloguser tcpserver ip-addr-of-server listen-port-on-server multilog ./log


#!/bin/sh export PATH=”/usr/local/bin:$PATH” 4>&1 | tcpclient ipaddr-of-server listen-port-on-server 6<&0

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Categories: General
  1. Devendra Singh
    December 23, 2008 at 7:40 pm

    The Server side worked for me. I used as:

    export PATH=”/usr/local/bin:$PATH”
    tcpserver 7777 multilog ./log

    But, the suggested Client Side script did not work for me.

    The below one worked for me (standard input logged to the log server):

    cat | tcpclient 7777 sh -c “cat >&7”


    qlogtools-3.1/multitail /var/log/apache_error_log | tcpclient 7777 sh -c “cat >&7”

    Here I tried using qlogtools’ multitail to pipe the error log to remote log server (

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