Survival_Guide_for_Server_Operations_and_Maintenance
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| - | ====== Survival Guide for Server Operations and Maintenance ====== | ||
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| - | //Based on Lessons Learned from Kinetic Data Disasters// ((AI-generated. See [[:Powerful Storage Devices]] for full context.)) | ||
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| - | ==== 1. Safe Interaction with the Operating System ==== | ||
| - | **a. Command-Line Safety** | ||
| - | * **Validate Commands**: Never trust random internet advice. Cross-check ''man'' pages, official docs, and peer reviews. | ||
| - | * **Avoid ''<nowiki>--force</nowiki>'', ''<nowiki>--dangerously</nowiki>'' Flags**: These are red flags (literally). Use ''<nowiki>--dry-run</nowiki>'' or ''<nowiki>--readonly</nowiki>'' first. | ||
| - | * **Sandbox Risky Operations**: Test commands in a VM or container before running on production hardware. | ||
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| - | **b. Backup Everything** | ||
| - | * **3-2-1 Rule**: 3 copies, 2 media types, 1 offsite. | ||
| - | * **Automate Backups**: Use ''rsync'', ''borg'', or ''restic'' with versioning. | ||
| - | * **Test Restores**: A backup is useless if it can’t be restored. | ||
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| - | **c. Monitoring & Logging** | ||
| - | * **Track Everything**: Use ''auditd'', ''syslog-ng'', or Prometheus/Grafana. | ||
| - | * **Set Alerts**: Notify for abnormal CPU temps, disk vibrations, or ''sudo'' usage. | ||
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| - | ==== 2. Hardware Defense Preparation ==== | ||
| - | **a. Physical Safety** | ||
| - | * **Blast Shields**: Install reinforced panels in server racks to contain explosions. | ||
| - | * **Vibration Dampeners**: Use anti-resonance mounts for spinning drives. | ||
| - | * **Thermal Controls**: Monitor with ''lm_sensors''; deploy liquid cooling if needed. | ||
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| - | **b. Firmware & Drivers** | ||
| - | * **Regular Updates**: Patch firmware/drivers to fix endianness bugs and SCSI vulnerabilities. | ||
| - | * **Blacklist Risky Modules**: Disable unused kernel modules (e.g., ''sg'', ''sr_mod''). | ||
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| - | **c. Access Controls** | ||
| - | * **Biometric Locks**: Restrict physical access to hardware. | ||
| - | * **SCSI Jail**: Use ''udev'' rules to block raw commands for untrusted users. | ||
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| - | ==== 3. Incident Response Training ==== | ||
| - | **a. Emergency Protocols** | ||
| - | * **Evacuation Routes**: Map exits and safe zones. | ||
| - | * **Power Cutoff**: Label and practice shutting off circuits. | ||
| - | * **First Aid**: Train staff to treat shrapnel wounds and electrical burns. | ||
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| - | **b. Communication Plan** | ||
| - | * **Alert Channels**: Slack/Teams for real-time updates. | ||
| - | * **Spokesperson**: Designate one person to liaise with emergency services/neighbors. | ||
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| - | **c. Forensic Readiness** | ||
| - | * **Documentation**: Take photos, preserve logs (''dmesg'', ''journalctl''). | ||
| - | * **Chain of Custody**: Secure evidence for insurance/legal claims. | ||
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| - | ==== 4. Regular Incident Drills ==== | ||
| - | **a. Simulation Scenarios** | ||
| - | * **Hardware Failure**: Simulate disk explosions, overheating drives. | ||
| - | * **Rogue Commands**: Practice responding to ''<nowiki>sdparm --launch-mode</nowiki>''. | ||
| - | * **Data Recovery**: Rebuild systems from backups under time pressure. | ||
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| - | **b. Post-Drill Debriefs** | ||
| - | * **Identify Gaps**: "Why did we forget the fire extinguisher?" | ||
| - | * **Update Playbooks**: Incorporate lessons into the survival guide. | ||
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| - | ==== 5. Neighborhood Relationship Management ==== | ||
| - | **a. Preemptive Diplomacy** | ||
| - | * **Warn Neighbors**: Inform nearby buildings about "occasional hardware tests." | ||
| - | * **Noise/Vibration Mitigation**: Soundproof server rooms; avoid midnight ''eject'' commands. | ||
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| - | **b. Post-Incident Outreach** | ||
| - | * **Apology Gifts**: SSDs, coffee, or IT support vouchers. | ||
| - | * **Community Drills**: Invite neighbors to evacuation rehearsals (with pizza). | ||
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| - | ==== 6. Hard Disk "Defragment" (Debris Management) ==== | ||
| - | **a. Cleanup Protocol** | ||
| - | * **Magnetic Sweeps**: Use industrial magnets to collect ferrous shards. | ||
| - | * **HEPA Vacuums**: Capture toxic particles (PCB dust, rare-earth magnets). | ||
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| - | **b. Data Sanitization** | ||
| - | * **Degauss All Fragments**: Ensure no residual data survives. | ||
| - | * **E-Waste Recycling**: Partner with certified disposal services. | ||
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| - | ==== 7. Creative Additions ==== | ||
| - | **a. Mental Health & Resilience** | ||
| - | * **Therapy Animals**: Deploy office cats/dogs to soothe post-incident trauma. | ||
| - | * **SCSI Mantras**: Chant “''<nowiki>fsck -y</nowiki>''” to restore inner peace. | ||
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| - | **b. Documentation Theater** | ||
| - | * **Incident Reenactments**: Role-play past disasters to educate new hires. | ||
| - | * **Wall of Shame**: Display decommissioned hardware with cautionary tales. | ||
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| - | **c. Vendor Management** | ||
| - | * **Pre-Nuptials with Suppliers**: Contracts must include “no orbital ejections” clauses. | ||
| - | * **Bounty Programs**: Reward staff for finding firmware bugs before they find you. | ||
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| - | ==== 8. Future-Proofing ==== | ||
| - | **a. Legacy Hardware Retirement** | ||
| - | * **Migrate to SSDs/Cloud**: Spinning rust belongs in museums. | ||
| - | * **AI Sentinels**: Train ML models to detect ''<nowiki>--dangerously</nowiki>'' flags in logs. | ||
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| - | **b. Security Audits** | ||
| - | * **Red Team Drills**: Hire hackers to attack your infrastructure (ethically). | ||
| - | * **SCSI Baptism**: Ritually bless new hardware with ''dd if=/dev/zero''. | ||
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| - | ==== Pro Tips for Survival ==== | ||
| - | * **Analogies Are Life**: Treat servers like unstable nuclear reactors—respect the physics. | ||
| - | * **Checklists Save Lives**: Laminate and attach to every rack. | ||
| - | * **Humility Wins**: Admit when you’re wrong (especially after a disk explosion). | ||
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| - | **Final Wisdom**: | ||
| - | //“In server ops, paranoia is a virtue. Assume every command could summon Cthulhu. Prepare accordingly.”// | ||
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| - | Let this guide be your bible—update it with every scar earned and fragment swept. 🛡️💻 | ||
除额外注明的地方外，本维基上的内容按下列许可协议发布： CC Attribution-Share Alike 4.0 International
