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System logs are crucial for monitoring and troubleshooting issues on any Linux system. One of the most powerful tools available for managing these logs is journalctl, a part of the systemd suite, which has become the default init system and service manager on many Linux distributions. In this blog post, we will explore how to harness the power of journalctl to effectively parse, examine, and manage system logs. We’ll also discuss installation procedures where necessary and operating instructions using different package managers such as apt, dnf, and zypper. journalctl is the command-line utility to view logs from the systemd journal, which is used by several modern Linux distributions.