Logs: Your Linux System’s Lovable Worker Bees
Can’t bring yourself to love logs? You should take a second look.
The lowly and lonely log files sit there day after day gathering dust and events as your system purrs along without issue. That is, until something bad happens. Then you scramble to find out why the system rebooted or had a memory problem. Maybe it was a network denial of service attack. Or was it a runaway process? Or worse still, a hacker after your MP3 collection. How will you know? If you said, “Look at the logs”, then you’re halfway to a resolution.
In most cases, those lowly log files are your best friends. Disasters, system anomalies, user error and careless hackers all leaves tracks in the logs. If you know where to look and what to look for, you’re that much better off.
The Basics
Log files (logs) are text files, owned by root or the application’s daemon process user account, that receive entries whenever some significant…
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