Flatsonar

LGX

by Jarle Aase

High-performance log viewer for large files and live sources

Extensive permissions

About

LGX is a modern, high-performance log viewer for Linux that scales from single files to multi-million-line logs and streaming sources. The Flatpak build exists for distribution convenience and easy installation, not for restrictive sandboxing. LGX is a host-integrated developer tool and intentionally keeps access to local files, the systemd journal, and host commands such as docker, adb, and shell pipelines. Features include: - Open multiple logs in tabs, like a web browser - Open local files, pipe streams, systemd journal, Docker container logs, and Android logcat streams - Apply multiple filters to a single log source - Separate pane for marked lines - Treat streams like normal logs: follow, navigate, filter and mark - Auto-detect and colorize common log formats - Fast navigation: first/last line, ±10%, next/previous warning or error - Optional follow mode for live logs - Adjustable zoom, line wrapping, and selection-aware copy LGX is designed for developers and DevOps professionals who need to work with large or streaming log data efficiently.

Permissions

2 permissions weaken the sandbox. Flatsonar asks before installing.

  • full access to your entire file system
    --filesystem=host
  • sandbox escape: can run commands on the host via flatpak-spawn
    --talk-name=org.freedesktop.Flatpak
  • Wayland display
    --socket=wayland
  • X11 display, only when Wayland is unavailable
    --socket=fallback-x11
  • inter-process communication (needed for X11)
    --share=ipc

Who publishes this

Nobody has confirmed that the publisher controls this app id. Flatsonar warns before installing.

  • eu.lastviking.lgx claims the domain lastviking.eu; only its owner can prove that
    publisher:namespace

Maintenance

Recent activity on the upstream repository, or built and reviewed by Flathub.

No staleness signals: recent activity, or built and reviewed by Flathub.