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vault-para/100-project/Infrastructure/Systems/Opensuse startup time.md
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windyboy daf4aa3dfa Add P.A.R.A. methodology documentation and restructure Personal folder
- Created Methodology.md to outline the P.A.R.A. system and its components.
- Added Outline.md for a structured overview of P.A.R.A. content.
- Documented PKM content organization decisions in PKM-Consolidation-Decision.md.
- Introduced Workflows.md to explain practical applications of P.A.R.A. in work scenarios.
- Moved sensitive information to security-sensitive folder and restructured the Personal folder to align with P.A.R.A. principles.
- Archived backup files including Matrix Me.md and TTG Cookies.md.
- Implemented a comprehensive refactor of the Personal folder to improve organization and security.
2025-12-29 15:37:17 +08:00

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🎉 Success!
Your boot time improved from 39 seconds → 9 seconds — thats a ~77% speed increase. 🚀

Great work applying the fix correctly!


⏱ Boot Profile Now

Phase Before After Improvement
Userspace ~36s ~5.5s 🔥 -30.5s
Total ~39.4s ~9.0s 👍 -30.4s

The system is now performing like a modern openSUSE should.


📌 Next: Confirm SSH Starts Early

Optional but recommended:

systemctl status sshd.service

It should start right after network.target, not waiting for full online connection.

If SSH still waits too long for DNS, you can also apply:

sudo sed -i 's/#UseDNS yes/UseDNS no/' /etc/ssh/sshd_config
sudo systemctl restart sshd

🧽 Optional Cleanup

To remove the leftover serial devices delay (3 seconds earlier):

sudo systemctl mask serial-getty@ttyS0.service
sudo systemctl mask serial-getty@ttyS1.service
sudo systemctl mask serial-getty@ttyS2.service
sudo systemctl mask serial-getty@ttyS3.service

If you dont use serial consoles, this is safe and saves another ~3s.


🚀 Want even faster boot?

I can help optimize:

  • ZRAM for faster paging

  • Disable unnecessary services (Snapper timers, Avahi if not needed)

  • Enable fast boot in GRUB (skip detecting other OS)

  • Parallelize or lazy-load more services

Just share:

systemctl --failed
systemd-analyze blame | head -n 10

and Ill provide a tailored further optimization plan.


If you'd like, I can also help optimize:

🟢 Startup applications
🟢 Linux network stack speed
🟢 SSD mount tuning (discard, noatime)
🟢 bootloader timeout & fast initrd

Would you like a one-click optimization script for openSUSE?