Linux Ops Rescue Kit - Free v1.0
Free troubleshooting resources for Linux on-call engineers, SREs, sysadmins and N3 support teams working with Red Hat Enterprise Linux environments.
Included in this release
Diagnostic Tool
linuxops_snapshot_lite.sh- Read-only system diagnostic snapshot
- System and kernel information
- Load and uptime
- Failed systemd units
- Recent boot errors
- Filesystem and inode usage
- Block devices
- Memory
- Network interfaces
- Routing table
- Listening ports
Incident Guides
- High Load but Low CPU Usage
/dataDisappeared After Reboot — LVM & Multipath Troubleshooting
Troubleshooting Philosophy
The Linux Ops Rescue Kit follows an evidence-first approach:
Symptom
↓
Evidence
↓
Failure Layer
↓
Root Cause
↓
Safest Recovery
↓
Verification
The objective is to prove where the failure is before applying a fix.
RHEL Focus
Examples are especially relevant to:
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 10
Technologies include:
systemd • LVM • XFS • Multipath • NetworkManager • SSSD • Kerberos
Full Linux Ops Rescue Kit
The complete Linux Ops Rescue Kit includes:
- 30 real-world production incidents
- 60-second triage workflows
- Realistic commands and outputs
- Evidence collection
- Failure-layer diagnosis
- Safe recovery procedures
- Verification
- Rollback guidance
- Stop & Escalate conditions
The PRO edition also includes advanced N3 scenarios and diagnostic scripts.
👉 Full toolkit:
Linux Ops Rescue Kit is an independent technical project and is not affiliated with, sponsored by, or endorsed by Red Hat.