KDE Journald Browser is a graphical application for examining systemd journal logs. It provides an accessible alternative to journalctl for investigating system events, application failures and service activity.
The application is part of the KJournald project, which provides a Qt-based library for accessing journal databases. Its interface uses Qt Quick and Kirigami to present log messages in a structured, searchable view.
Systemd journals contain messages generated by the kernel, background services and applications. These records are valuable when diagnosing failed services, unexpected shutdowns, hardware problems and other system issues.
KDE Journald Browser can examine journals from the local machine as well as saved databases collected from other Linux systems. This also makes it useful for investigating problems after an affected system has been shut down or is no longer accessible.
This is free and open source software.
Key Features
- Browse local, collected and offline systemd journal databases.
- Display system and user service messages together, with an option to restrict which journals are accessed.
- Filter log entries by systemd unit, boot session and message priority.
- Distinguish services and message priorities using colour-coded highlighting.
- Include or exclude kernel messages from the displayed logs.
- Search journal messages with case-insensitive matching and highlighted search terms.
- Maintain a persistent history of previous searches.
- Pre-filter available services and processes according to the selected boot session.
- Group instances of templated systemd services under their shared template name.
- Display timestamps in UTC.
- Navigate between journal entries using keyboard shortcuts, including jumping to the oldest or most recent entry.
- Copy the currently displayed log view to the clipboard.
- Provide feedback when journal databases cannot be accessed.
Website: invent.kde.org/system/kjournald
Support:
Developer: KDE Community, Andreas Cord-Landwehr
License: GNU Lesser General Public License v2.1 or MIT License
KDE Journald Browser is written in C++. Learn C++ with our recommended free books and free tutorials.
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