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Configuring systemd Journaling

Journals and their importance to `systemd` are a major change from the previous model of Linux logging, namely `Syslog` and its variants. As even the format of the logs or journal has changed, this is a true disruptor, or it could have been if the `systemd` team hadn't put in some key migration and integration features—such as forwarding to `syslog` and the excellent `journalctl` command, which we'll use heavily in this lab. In this lab, you'll gain the skills needed with `journalctl`: * From simple querying to viewing boot session entries * Monitoring a service, user's entries by UID, times, and ranges of entries * Extending your journal entries with standardized explanations from the Message Catalog.

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Sep 18, 2020

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Table of Contents

  1. Challenge

    Query and View Journal Entries Including Boot Sessions

    • View journal entries for a user and the system.
    • View available boot sessions and entries.
  2. Challenge

    Monitor Services, CGroups, and Ranges

    • Monitor a service's entries.
    • View a user's scope entries.
    • View entries based on times and ranges.
  3. Challenge

    Query User and Process Entries, and Add Explanations

    • Find a user's UID and journal entries for it.
    • Find a process ID and view its entries.
    • View the Message Catalog.
    • Enhance journal entries with explanations.

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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