Linux server incidents: first week
The 10 most common server incidents: disk, file descriptors, permissions, cron, systemd, memory, and I/O.
0/10
1A systemd service still failsBeginner6 minFree2An inode problem where files cannot be created even though disk space is freeBeginner16 minFree3Deleted log file keeps disk fullIntermediate18 minFree4Too many open files: a systemd service hits its file descriptor limitBeginner15 minFree5A missing environment variable that fails under cron but works when run manuallyBeginner15 minFree6sudoers include file is ignoredBeginner13 minFree7A missing WorkingDirectory problem that puts a systemd service into a restart loopIntermediate20 minFree8The application cannot read filesIntermediate19 minFree9The OOM killer terminates the database during a nightly batchIntermediate18 minFree10Load average is 40 but the CPU is mostly idle: I/O waitIntermediate16 minFree
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