What is Rancher?
Rancher is a comprehensive platform for managing virtualization and containers, providing a robust set of tools for deploying, managing, and scaling containerized applications. With Rancher, users can easily provision and manage Kubernetes clusters, as well as integrate with other popular container orchestration tools. The platform also offers a range of features for security, monitoring, and logging, making it an attractive option for organizations looking to streamline their containerized infrastructure.
Main Features of Rancher
Rancher offers a wide range of features that make it an ideal choice for managing virtualization and containers. Some of the key features include:
- Support for multiple container orchestration tools, including Kubernetes, Docker Swarm, and Apache Mesos
- Robust security features, including network policies, secret management, and role-based access control
- Integrated monitoring and logging capabilities, including Prometheus and Grafana
- Support for persistent storage, including Amazon EBS and Google Persistent Disk
Installation Guide
Prerequisites
Before installing Rancher, you will need to ensure that your environment meets the following prerequisites:
- A compatible operating system, such as Ubuntu or CentOS
- A minimum of 4 GB of RAM and 2 CPU cores
- A compatible Docker version, such as Docker 18.09 or later
Step-by-Step Installation
Once you have met the prerequisites, you can follow these steps to install Rancher:
- Download the Rancher installer from the official website
- Run the installer using the command `sudo./rancher-installer`
- Follow the prompts to complete the installation
Hardening Rancher
Audit Logs
Rancher provides a range of features for auditing and logging, including support for Elasticsearch and Fluentd. To configure audit logs in Rancher, follow these steps:
- Go to the Rancher UI and click on the