Linux timeout: Put a Deadline on Scheduled Jobs
Use GNU timeout to limit Linux scheduled jobs, handle exit codes correctly, and escalate stuck processes without confusing a stopped task with a successful one.
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Swap vs zram vs zswap: What Your Small VPS Needs
Compare disk swap, zram, and zswap for a small Linux VPS. Learn what each can fix, what it cannot, and how to check memory pressure before changing settings.
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Stop Backups Writing to an Unmounted Disk
Prevent Linux backup jobs from filling your root disk when a backup drive is missing. Add mount checks, systemd dependencies, and a safe failure-path test.
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Linux No Space Left on Device: Check Inodes First
Diagnose Linux no space left on device errors with df, du, and inode checks. Find the full filesystem before deleting Docker data or resizing your VPS disk.
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Block vs Object vs File Storage for Your VPS
Compare block, object, and file storage for a self-hosted VPS. Match databases, uploads, and backups to the right interface without creating a fragile storage setup.
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Verify SSH Host Keys Before You Trust Your VPS
Verify SSH host keys before trusting a new VPS, handle known_hosts warnings safely, and pin server identity for unattended backups without disabling checks.
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