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Tag: logs

Logfile Viewer

Giant Log Viewer – view extremely large log files

September 25, 2026 Steve Emms GUI, System Software

Giant Log Viewer opens enormous text files with modest memory usage, offering drag-and-drop opening and keyboard-driven navigation.

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Logfile Viewer

fblog – view and filter JSON logs

September 25, 2026 Steve Emms CLI, System Software

fblog is a command-line JSON log viewer with Lua filtering, customizable formatting and colorized log levels.

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Logfile Viewer

Logalize – extensible log colorizer

September 25, 2026 Steve Emms CLI, System Software

Logalize is a fast, extensible log colorizer with configurable formats, patterns, words and themes.

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Logfile Viewer

JSON Log Viewer – interactive viewer for structured logs

September 24, 2026 Steve Emms System Software, TUI

JSON Log Viewer displays structured JSON logs with expandable records, custom fields, interactive filtering and live stream support.

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Logfile Viewer

Journal Viewer – graphical application for systemd events

September 24, 2026 Steve Emms GUI, System Software

Journal Viewer is a graphical desktop application for exploring systemd events with activity charts, quick searches and advanced filters.

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Log Analyzers

27 Best Free and Open Source Linux Logfile Viewers

May 10, 2026 Steve Emms CLI, Roundup, System Software, Utilities

To provide an insight into the quality of software that is available, we have compiled a list of useful Linux logfile viewers.

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Log Analyzers

15 Best Free and Open Source Log Analyzers

May 5, 2026 Steve Emms Roundup, System Software

Making sense of logs helps organisations make better customer-focused decisions. We recommend the finest open source log analyzers.

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Security

EVTXtract – recover fragmented Windows event logs

December 5, 2025 Steve Emms CLI, Security

EVTXtract recovers damaged or fragmented Windows event records from memory images and raw binary data, reconstructing useful XML evidence.

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Log Analyzers

humanlog is a pretty log viewer

March 28, 2025 Steve Emms CLI, System Software

humanlog reads logs from stdin and prints them back to stdout, but prettier.

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Log Analyzers

QLogExplorer – high-performance graphical log analyser

October 1, 2024 Steve Emms GUI, System Software

QLogExplorer examines very large log files using chunk indexing, JSON support, configurable columns and advanced multi-condition search.

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Utilities

Excellent Utilities: lnav – the log file navigator

April 22, 2019 Steve Emms Reviews, Software, System Software, Utilities

This is the second in a new series highlighting best-of-breed utilities. We’ll be covering a wide range of utilities including tools that boost your productivity, help you manage your workflow, and lots more besides. For this article, we’ll put lnav under the spotlight.

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System Administration

Essential System Tools: QJournalctl – Graphical User Interface for systemd’s journalctl

February 13, 2019 Steve Emms Reviews, Software, System Software, Utilities

This is the latest in our series of articles highlighting essential system tools. These are small, indispensable utilities, useful for system administrators as well as regular users of Linux based systems. The series examines both graphical and text based open source utilities.

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