How to Install Graylog Server on CentOS 7
- Prerequisites. A Vultr CentOS 7 server instance with at least 4GB RAM. ...
- Install Java. Elasticsearch requires Java 8 to run. ...
- Install Elasticsearch. ...
- Install MongoDB. ...
- Install Graylog server. ...
- Configure Graylog. ...
- Configure Nginx as a reverse proxy. ...
- Configure firewall and SELinux.