SUMMARY Starting the app image indicates a missing library. STEPS TO REPRODUCE 1. download the binary digikam-7.1.0-x86-64.appimage 2. chmod +x digikam-7.1.0-x86-64.appimage 3. start it with $ ./digikam-7.1.0-x86-64.appimage OBSERVED RESULT $ ./digikam-7.1.0-x86-64.appimage -- digiKam Linux AppImage Bundle -- Use 'help' as CLI argument to know all available options for digiKam application. -- Notes: to integrate this bundle to your desktop, use AppImageLauncher. -- to enable all debug messages on the console, use 'export QT_LOGGING_RULES="digikam*=true"'. libudev.so.0 libnss3.so libnssutil3.so libxcb-dri3.so.0 -- Preloading shared libs: :/tmp/.mount_digikazSHZbU/usr/lib64/libnss3.so:/tmp/.mount_digikazSHZbU/usr/lib64/libnssutil3.so:/tmp/.mount_digikazSHZbU/usr/lib64/libxcb-dri3.so.0 digikam: error while loading shared libraries: libjack.so.0: cannot open shared object file: No such file or directory EXPECTED RESULT Digikam would start up SOFTWARE/OS VERSIONS Windows: macOS: Linux: CentOS 8 $ rpm -q centos-release centos-release-8.2-2.2004.0.2.el8.x86_64 Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: 5.12.5 (from what I can see) ADDITIONAL INFORMATION note sure I'm using KDE: $ rpm -qa | grep -i kde | grep -v kdev kf5-kdeclarative-5.68.0-1.el8.x86_64 kde-filesystem-4-63.el8.x86_64 kde-settings-32.0-3.el8.noarch I've run kde on older CentOS versions. Please let me know if you need more information.
We've had the problem before. The libjack is a system library for audio and has to be installed, we cannot integrate it into the AppImage. Maik
Has Maik said, install libjack from your system to fix the problem as it's a low level library from the system. Gilles Caulier