© David Both 2020
D. BothUsing and Administering Linux: Volume 2https://doi.org/10.1007/978-1-4842-5455-4_15

15. Logs and Journals

David Both1 
(1)
Raleigh, NC, USA
 

Objectives

In this chapter you will learn
  • To use the System Activity Report (SAR) to monitor system performance and potential problems using historical performance data

  • To use log files to monitor system performance and events

  • To configure and use logrotate to manage log files

  • To use systemd journals to monitor system events and performance

  • To configure and use Logwatch to provide a daily summary of log and journal entries for use in problem determination

Logs are your friend

Use the log files to help determine the source of problems and performance issues. They contain large amounts of data that ...

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