Logging

Some useful links to explain the concepts of Logging

Concepts

• https://syslog-ng.org/

• https://www.loggly.com/ultimate-guide/linux-logging-basics/

• https://www.loggly.com/ultimate-guide/access-and-error-logs/

Linux Logs

• http://www.thegeekstuff.com/2011/08/linux-var-log-files/

• https://www.loggly.com/ultimate-guide/managing-linux-logs/

• https://blog.logentries.com/2012/05/logging-on-linux-part-1-ive-got-a-bunch-of-linux-boxes-what-should-i-be-looking-out-for-in-my-logs/

• https://www.eurovps.com/blog/important-linux-log-files-you-must-be-monitoring

Configuration

Log-rotate

• https://serversforhackers.com/managing-logs-with-logrotate

• http://articles.slicehost.com/2010/6/30/understanding-logrotate-on-ubuntu-part-1

• http://articles.slicehost.com/2010/6/30/understanding-logrotate-on-centos-part-1

• http://www.rackspace.com/knowledge_center/article/understanding-logrotate-utility

• http://www.softpanorama.org/Commercial_linuxes/RHEL/rhel_log_rotation.shtml

• https://www.digitalocean.com/community/tutorials/how-to-manage-log-files-with-logrotate-on-ubuntu-12-10

• http://linuxers.org/howto/howto-use-logrotate-manage-log-files

• http://linuxconfig.org/setting-up-logrotate-on-redhat-linux

• http://www.thegeekstuff.com/2010/07/logrotate-examples/

• http://www.techrepublic.com/article/manage-linux-log-files-with-logrotate/

• https://www.linode.com/docs/uptime/logs/use-logrotate-to-manage-log-files

Troubleshooting & Log Parsing

• https://www.loggly.com/ultimate-guide/troubleshooting-with-linux-logs/

• https://www.loggly.com/ultimate-guide/centralizing-windows-logs/

• https://blog.logentries.com/2016/09/avoid-these-things-when-logging-from-your-application/

ELK Stack

Some useful links to explain the concepts of the ELK stack - ElasticSearch, Logstash and Kibana

• http://logz.io/learn/complete-guide-elk-stack/

• http://logz.io/blog/10-elasticsearch-concepts/

ElasticSearch

• http://logz.io/blog/elasticsearch-tutorial/

• http://vichargrave.com/ossec-log-management-with-elasticsearch

• http://aarvik.dk/a-bit-on-elasticsearch-logstash-kibana-the-elk-stack/

Logstash

• http://logz.io/blog/logstash-tutorial/

• https://www.digitalocean.com/community/tutorials/how-to-use-logstash-and-kibana-to-centralize-and-visualize-logs-on-ubuntu-14-04

• http://logz.io/blog/fluentd-logstash/

• http://www.slashroot.in/logstash-tutorial-linux-central-logging-server

Kibana

• http://logz.io/blog/kibana-tutorial/

• http://logz.io/blog/kibana-visualizations/

• https://www.digitalocean.com/community/tutorials/how-to-use-kibana-dashboards-and-visualizations

• https://marc.cortinasval.cat/blog/2014/03/05/kibana-help-us-to-analyze-cdn-logs/