Debian/Ubuntu Tips and Tricks

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Debian/Ubuntu Tips and Tricks

How-To: Log HAProxy messages only once

Posted by chantra on 27th January 2012

When enabling logs with HAProxy on a busy web site, hard disk space can quickly become a scarce resource.

The reason is that, most of the time, HAProxy is set to use local0 facility which tend to write logs to a bunch of files in /var/log such as messages...

Thanks to rsyslog, we will be able to canalize those logs to a more appropriate location and only once, saving a bunch of disk space.

This tutorial will go over the steps required to accomplish this set up.

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Posted in Administration, HowTo, System | 6 Comments »

How-To: Remote syslog logging on Debian and Ubuntu

Posted by chantra on 30th June 2008

syslogd is the Linux system logging utility that take care of filling up your files in /var/log when it is asked to.

On a standard system, logging is only done on the local drive. But syslog can be configured to receive logging from a remote client, or to send logging to a remote syslog server.

Some of the use cases could be:

  • A machine which filesystem goes read-only
  • Log replication

this tutorial will explain how to set up both the server, to receive message from a remote client, and the client to emit messages to a syslogd server.

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Posted in Administration, HowTo, System | No Comments »