Experiments, lessons, and practical guides from running Linux services and personal infrastructure at home.
A service starts during boot, tries to contact a remote endpoint, and fails because the machine has not finished acquiring an address. Adding After=network.target looks like the obvious repair. Yet the same failure returns on the next slow DHCP response. What…
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A job is scheduled every five minutes, but one run occasionally needs six. When the next trigger arrives, should it start a second copy, wa…
A Debian server can keep running after a configuration change and still leave an awkward question for later: what exactly changed? Perhaps …
A service cannot append to its database, a backup stops halfway, or an application logs No space left on device. The obvious explanation is…
A long-running service on a home server exits at 3 a.m. Should the machine leave it down, restart it immediately, or keep trying until morn…
A home server can display the right hour and still have an unreliable clock. The timezone may be correct while network synchronization is f…
A home server can survive a brief power cut only if something keeps supplying power. But survival is not the most useful question. A better…
A scheduled job finishes without an error, a new archive appears on another disk, and its checksum matches. Is the database now recoverable…
A home server can keep answering HTTP requests while one of its drives is quietly accumulating errors. That creates a practical question: c…
A home server rarely stays simple for long. It starts with one web server, then a database joins, then a tunnel, then a monitoring agent, a…
