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System Administration

System Administration. Experience Sharing. Secure your credentials. Use long/hard passwords Encrypt your private keys. Proper Separation. Never allow development to touch production systems Limit access to production. Know Your System. What’s running? What’s installed? Who’s using it?.

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System Administration

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  1. System Administration Experience Sharing

  2. Secure your credentials • Use long/hard passwords • Encrypt your private keys

  3. Proper Separation • Never allow development to touch production systems • Limit access to production

  4. Know Your System • What’s running? • What’s installed? • Who’s using it?

  5. Security Updates • Subscribe to mailing lists • Patch immediately

  6. Monitor Performance • Is the system normal? • Identify bottlenecks

  7. Keep logs • Keep copies of logs in separate system • Postmortem

  8. Keep backups • If something dies, you have old data • If something new breaks, you can rollback

  9. Write Documents • Write about everything you did • But NOT passwords

  10. Automation • Write scripts for everyday tasks • Make your life easier

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