Remote Logstalgia: Difference between revisions

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Listen on port 31337 for incoming logs, relay to port 1337, allow multiple clients (and disconnects without exiting).  
Listen on port 31337 for incoming logs, relay to port 1337, allow multiple clients (and disconnects without exiting).  
<pre>
<pre>
sudo apt-get install netcat-openbsd
sudo apt-get install socat
nc -l -k 31337 | nc -l -k 1337
socat tcp4-listen:31337,fork,reuseaddr stdout | socat stdin tcp4-listen:1337,fork,reuseaddr
</pre>
</pre>



Revision as of 16:10, 3 February 2011

How to combine the logs of two hosts running Varnish, and visualize them on a remote workstation with Logstalgia?

Send the output of two or more hosts to netcat listening on one of the hosts, which combines the input and listens for a connection from the workstation.

Relay

Listen on port 31337 for incoming logs, relay to port 1337, allow multiple clients (and disconnects without exiting).

sudo apt-get install socat
socat tcp4-listen:31337,fork,reuseaddr stdout | socat stdin tcp4-listen:1337,fork,reuseaddr

Host1

Send Varnish log from host1 to relay on host1

varnishncsa | nc localhost 31337

Host2

Send Varnish log from host2 to relay on host1

varnishncsa | nc host2 31337

HostN

Send Varnish log from hostN to relay on host1

varnishncsa | nc host1 31337


Workstation

Run Logstalgia on workstation, with output from relay. Download NetCat for Windows here

nc.exe host1 1337 | logstalgia.exe --sync