Monthly Archives: August 2016

How to Stop and Disable Firewalld on CentOS 7

Firewalld is a complete firewall solution that has been made available by default on all CentOS 7 servers, including Liquid Web Core Managed CentOS 7, and Liquid Web Self Managed CentOS 7. On occasion, perhaps for testing, disabling or stopping firewalld may be necessary. Follow the instructions below to disable firewalld and stop firewalld. It… Read More »

Elasticsearch “Yellow” cluster status explained

Before I start, let’s recap on some Elasticsearch terminology: an Elasticsearch cluster is made up of one or more nodes. Each of these nodes contains indexes which are split into multiple shards. Elasticsearch makes copies of these shards called replicas. These (primary) shards and replicas are then placed on various nodes throughout the cluster. Got… Read More »