Linux

Centralising Clojure/Java logging with Logback, LogStash, ElasticSearch, and Kibana

Checking logs when you have more than one servers is painful. Use Logback/Logstash-forwarder to send json-formatted logs to a central server running Logstash/ElasticSearch/Kibana, where you can then slice and dice logs to your heart’s content with the power of ElasticSearch and Kibana. Confs and docs available here: https://github.com/vaughnd/centralised-logging

Deploying Datomic free on EC2 or any Ubuntu system

Here’s a quick rundown on getting Datomic free running on EC2 or any Ubuntu system. This includes a startup script, and a symlinked runtime to make upgrading Datomic less painful. I highly recommend scripting this and the rest of your cloud with Pallet. Start up an EC2 instance (preferably m1.small since Datomic wants 1GB ram). …

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