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linux_wiki:produce_and_deliver_reports_on_system_utilization_processor_memory_disk_and_network [2016/10/08 17:51] billdozor |
linux_wiki:produce_and_deliver_reports_on_system_utilization_processor_memory_disk_and_network [2019/05/25 23:50] |
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| - | ====== Produce And Deliver Reports On System Utilization Processor Memory Disk And Network ====== | ||
| - | |||
| - | **General Information** | ||
| - | |||
| - | System utilization reporting. | ||
| - | |||
| - | ---- | ||
| - | |||
| - | ====== Lab Setup ====== | ||
| - | |||
| - | The following virtual machines will be used: | ||
| - | * server1.example.com (192.168.1.150) -> Configure and test system reporting | ||
| - | |||
| - | ---- | ||
| - | |||
| - | ====== Dstat ====== | ||
| - | |||
| - | Dstat is good for real time monitoring and reporting. | ||
| - | |||
| - | \\ | ||
| - | Install | ||
| - | <code bash> | ||
| - | yum install dstat | ||
| - | </ | ||
| - | |||
| - | \\ | ||
| - | Running dstat with default options | ||
| - | <code bash> | ||
| - | dstat | ||
| - | </ | ||
| - | * Defaults: -cdngy | ||
| - | * c -> cpu | ||
| - | * d -> disk | ||
| - | * n -> network | ||
| - | * g -> page stats | ||
| - | * y -> system stats (interrupts, | ||
| - | |||
| - | \\ | ||
| - | Write stats to a file/report | ||
| - | <code bash> | ||
| - | dstat -tcdm --output system-stats.csv | ||
| - | </ | ||
| - | * t -> time | ||
| - | * c -> cpu | ||
| - | * d -> disk | ||
| - | * m -> memory | ||
| - | |||
| - | ---- | ||
| - | |||
| - | ====== Sysstat ====== | ||
| - | |||
| - | Sysstat runs periodically and provides historical statistics. | ||
| - | |||
| - | [[linux_wiki: | ||
| - | |||
| - | \\ | ||
| - | Install | ||
| - | <code bash> | ||
| - | yum install sysstat | ||
| - | </ | ||
| - | |||
| - | \\ | ||
| - | Sysstat config file | ||
| - | * / | ||
| - | * Configure history, compression, | ||
| - | |||
| - | \\ | ||
| - | Cron jobs | ||
| - | * / | ||
| - | * sa1 -> System activity every 10 mins by default | ||
| - | * sa2 -> Daily summary | ||
| - | |||
| - | \\ | ||
| - | System activity log files | ||
| - | * / | ||
| - | * sa## -> Number is the day of the month | ||
| - | |||
| - | \\ | ||
| - | View info now from a system activity file | ||
| - | <code bash> | ||
| - | sar -urd -f / | ||
| - | </ | ||
| - | |||
| - | \\ | ||
| - | Semi Colon Separated: Print data from a system activity file, redirect to a file to view later | ||
| - | <code bash> | ||
| - | sadf -d / | ||
| - | </ | ||
| - | * -d -> Print contents of the data file in an easy to ingest by database format (semi colon separated) | ||
| - | * -- -> sar options will follow | ||
| - | * -u -> sar option: CPU usage | ||
| - | * -r -> sar option: Memory usage | ||
| - | * d -> sar option: Disk usage (d) | ||
| - | * -n DEV -> sar option: Network stats from devices | ||
| - | |||
| - | ---- | ||