Installing ElasticSearch with River JDBC on RedHat/CentOS
1. Install OpenJDK if it doesn't already exist. Here we are running as root, so sudo is not required. 2. Install ElasticSearch using yum. The latest ElasticSearch version is 1.4…
Changing DNS in CentOS
1. Edit resolv.conf and use your chosen name servers. Here we are using Google DNS. 2. To prevent your resolv.conf from being overwritten on reboot, also change ifcfg-eth0.