Tag: logstash

Monitoring Postfix and Dovecot logs in ELK

I’ve been using pflogsumm for the longest time to monitor my postfix logs.   When I used to manage hundreds of domains and many more mailing lists, it was important to keep an eye on my mail servers. These days, it is just my own personal mail server for my dozens of domains.   I…

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ELK Operational Tips

I’ve been running ELK clusters for over a year now, and want to share tips and tricks that I’ve found to be useful. Feel free to post questions and corrections. I’ll try to answer and update when possible. Elasticsearch Split brained – this is when you have more than one node in your cluster becoming…

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logstash-forwarder TLS handshake errors

I started using logstash-forwarder to send logs from my cloud hosted servers to my ELK server for analysis.   Since it’s just a simple setup, I used the self-gen cert as described on logstash-forwarder’s github page. Unfortunately, using the example generated a cert that is only good for 30 days.   So suddenly my kibana…

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Elasticsearch, Logstash and Kibana Meetup @ LinkedIn

We had a great ELK Meetup on Wed 5/21/2014 at LinkedIn.  The recorded video is available here. http://www.ustream.tv/recorded/47864947 We had Kurt Hurtado, one of the logstash dev, speaking on ELK in the DevOps Environment.  Then a nice long Q&A session after, joined by Uri Boness, one of the Elasticsearch core dev.  

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Elasticsearch, Logstash, Kibana (ELK) group on LinkedIn

I started a group for ELK on LinkedIn.  The direct link is https://www.linkedin.com/groups?home=&gid=6686144&trk=anet_ug_hm I have also started a Meetup for the Mountain View area. Mountain View ELK Meetup  

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