Differences
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| diagnosis [2015/06/01 23:37] – created - external edit 127.0.0.1 | diagnosis [2025/07/21 09:27] (current) – removed steve | ||
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| - | ====== Diagnosis ====== | ||
| - | * [[DNS]] | ||
| - | * [[Network Diagnosis]] | ||
| - | * [[PHP Errors]] | ||
| - | * [[Slow Website]] | ||
| - | * [[SSH Diagnosis]] | ||
| - | ==== Server Diagnosis ==== | ||
| - | |||
| - | == System Access == | ||
| - | |||
| - | If a server is having issues and you can still access it through one or more services (SSH, MySQL, HTTPD, etc.), then check these areas: | ||
| - | |||
| - | * monit: What is the system load? What is the memory usage? | ||
| - | * collectd: Are there any trends of increasing loads or memory usage? | ||
| - | * System, Apache, MySQL logs: check for anomalies | ||
| - | |||
| - | == No Access == | ||
| - | |||
| - | If you can't access a server through any services, then run these tests: | ||
| - | |||
| - | * Check DNS records to see if they are resolving correctly | ||
| - | * Log into web hosting control panel to see status | ||
| - | |||
| - | ==== Todo ==== | ||
| - | |||
| - | * pidstat | ||
