Let’s Encrypt has announced that it will no longer send certificate expiration notification emails. What now?

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Sending AWS CloudWatch/VPC Logs to Logsene

Use-case: you're using AWS VPC and want visibility over the connection to your VPC. Which IPs are allowed or denied connections to certain ports, how much traffic goes through each

How to Ship Heroku Logs to Logsene / Managed ELK Stack

Update: We made it much easier to ship Heroku logs. Please read 5 Minute Recipe: Heroku Log Drain Setup for more details.  Heroku is a cloud platform based on a managed

Sending your Windows Event Logs to Sematext using NxLog and Logstash

UPDATE: There is a much easier way to ship your Windows events to Sematext now. See the New Windows logs integration update. There are a lot of sources of logs

How to forward CloudTrail (or other logs from AWS S3) to Logsene

This recipe shows how to send CloudTrail logs (which are .gz logs that AWS puts in a certain S3 bucket) to a Logsene application, but should apply to any kinds

Using Grafana with Elasticsearch for Log Analytics

Grafana is an open-source alternative to Kibana. Grafana is best known as a visualization / dashboarding tool focused on graphing metrics from various data sources, such as InfluxDB. Even though

Presentation: Large Scale Log Analytics with Solr

In this presentation from Lucene/Solr Revolution 2015, Sematext engineers -- and Solr and centralized logging experts -- Radu Gheorghe and Rafal Kuć talk about searching and analyzing time-based data at

Presentation: Log Analysis with Elasticsearch

Fresh from the Velocity NYC conference is the latest presentation from Sematext engineers Rafal Kuć and Radu Gheorghe — “From zero to production hero: Log Analysis with Elasticsearch.” The talk

Recipe: Apache Logs + rsyslog (parsing) + Elasticsearch

More than two years ago we posted a recipe on how to centralize syslog in Elasticsearch in order to search and analyze them with Kibana, all by using only rsyslog.

SolrCloud: Dealing with Large Tenants and Routing

Last updated on Jan 10, 2018 Many Solr users need to handle multi-tenant data. There are different techniques that deal with this situation: some good, some not-so-good. Using routing to handle such

Recipe: rsyslog + Redis + Logstash

OK, so you want to hook up rsyslog with Logstash. If you don't remember why you want that, let me give you a few hints: Logstash can do lots of