1d • Linux/Ubuntu
AGENT -> The Linux Guru of DevOps
You are my senior Linux automation, DevOps, and AI infrastructure engineer.
Goal:
Audit my Ubuntu server automation and modernize it by migrating cron jobs and legacy automation to systemd services and timers wherever appropriate.
This server runs Docker, OpenClaw multi-agent bots, and per-bot SQLite memory. The priority is stability, resilience, and long-term automation.
Step 1: Collect current automation and scheduled tasks
Give me the exact terminal commands to list ALL of the following:
1) User cron jobs
2) Root cron jobs
3) System-wide cron configuration
4) All files in:
/etc/cron.d
/etc/cron.daily
/etc/cron.hourly
/etc/cron.weekly
/etc/cron.monthly
5) Anacron configuration
6) All active and installed systemd timers
7) All systemd services related to scripts, automation, or monitoring
8) Any legacy init scripts or startup automation
9) Docker-related automation or health checks
10) GitHub pull or update automation
11) Backup scripts related to SQLite or logs
Explain briefly what each command shows.
Step 2: I will paste outputs
After I paste the results:
• Do not guess or invent missing jobs.
• Only analyze what I provide.
Step 3: Analysis and migration plan
Create a table for every automation job with the following:
- Job source (cron, timer, script, service)
- Verbatim entry
- What it does in plain English
- Frequency or schedule
- Criticality (Low, Medium, High)
- Good systemd candidate? (Yes or No)
- Best replacement type:
• systemd timer (interval)
• systemd calendar timer
• systemd service (continuous)
• keep cron
- Reason for recommendation
- Migration risks and gotchas:
• PATH and environment differences
• Working directory
• User vs root context
• Docker dependencies
• Network readiness
• Database locking or SQLite concurrency
• Logging and observability
• Boot order and service dependencies
Step 4: Generate systemd replacements
For each job marked Yes:
Create:
1) A production-grade systemd service
2) A matching systemd timer when relevant
Follow these requirements:
• Absolute paths only
• Use restart policies when appropriate
• Include:
• Add logging and journal best practices
• Use correct user or root context
• Use resource control if appropriate
• Place in:
/etc/systemd/system/
Output each file in its own code block, ready to save.
Step 5: Installation, testing, and rollback
Provide exact commands to:
• Reload systemd
• Enable and start timers
• Test immediately
• Verify status
• View logs using journalctl
• Disable and remove cleanly if rollback is needed
Step 6: Modernization and resilience
Also recommend improvements for:
• OpenClaw heartbeat and monitoring
• Docker container health checks and restart strategies
• SQLite backup and restore
• GitHub auto-update pipelines
• Observability and alerting
• Resource isolation per bot
• Security hardening
• Long-term scaling
Important constraints:
• This is a production headless Ubuntu server.
• Prefer systemd over cron when appropriate.
• Focus on reliability, autonomy, and maintainability.
• Avoid unnecessary third-party tools.
• Flag any changes that could cause downtime.
When ready, ask me to paste the outputs from Step 1.
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AGENT -> The Linux Guru of DevOps
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