Mike Reeves
5fd5df54b4
The script assumed the UEK8 kernel was already installed and only switched the boot default to it. On a node running the EL9 stock kernel (RHCK 5.14) there is no kernel-uek* package at all, so `dnf update` has nothing to upgrade and UEK8 never lands -- the script just logged "nothing to do" and exited 0. When no 6.x UEK boot entry exists, install the kernel-uek metapackage (it pulls kernel-uek-core plus the module subpackages, including kernel-uek-modules-extra-netfilter) and then proceed with the grubby switch. Fail loudly if securityonionkernel is not an enabled repo, since that assignment is gated on the NIC-pin marker and the salt version match and a silent no-op there is hard to diagnose. Also point DEFAULTKERNEL at kernel-uek-core so later kernel updates stay on the UEK line rather than falling back to RHCK. Still idempotent and still never reboots.
Security Onion
Security Onion is a free and open Linux distribution for threat hunting, enterprise security monitoring, and log management. It includes a comprehensive suite of tools designed to work together to provide visibility into your network and host activity.
✨ Features
Security Onion includes everything you need to monitor your network and host systems:
- Security Onion Console (SOC): A unified web interface for analyzing security events and managing your grid.
- Elastic Stack: Powerful search backed by Elasticsearch.
- Intrusion Detection: Network-based IDS with Suricata and host-based monitoring with Elastic Fleet.
- Network Metadata: Detailed network metadata generated by Zeek or Suricata.
- Full Packet Capture: Retain and analyze raw network traffic with Suricata PCAP.
⭐ Security Onion Pro
For organizations and enterprises requiring advanced capabilities, Security Onion Pro offers additional features designed for scale and efficiency:
- Onion AI: Leverage powerful AI-driven insights to accelerate your analysis and investigations.
- Enterprise Features: Enhanced tools and integrations tailored for enterprise-grade security operations.
For more information, visit the Security Onion Pro page.
☁️ Cloud Deployment
Security Onion is available and ready to deploy in the AWS, Azure, and Google Cloud (GCP) marketplaces.
🚀 Getting Started
| Goal | Resource |
|---|---|
| Download | Security Onion ISO |
| Requirements | Hardware Guide |
| Install | Installation Instructions |
| What's New | Release Notes |
📖 Documentation & Support
For more detailed information, please visit our Documentation.
- FAQ: Frequently Asked Questions
- Community: Discussions & Support
- Training: Official Training
🤝 Contributing
We welcome contributions! Please see our CONTRIBUTING.md for guidelines on how to get involved.
🛡️ License
Security Onion is licensed under the terms of the license found in the LICENSE file.
Built with 🧅 by Security Onion Solutions.