Error: could not determine $DISPLAY. QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Qt: 5.9.1 KDE Frameworks: 5.38.0 kf5-config: 1.0

Error: could not determine $DISPLAY. QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Usage: kf5-config [Qt-options] [KDE-options] [options] A little program to output installation paths Generic options: --help Show help about options --help-qt Show Qt specific options --help-kde Show KDE specific options --help-all Show all options --author Show author information -v, --version Show version information --license Show license information -- End of options Options: --expandvars Left for legacy support --prefix Compiled in prefix for KDE libraries --exec-prefix Compiled in exec_prefix for KDE libraries --libsuffix Compiled in library path suffix --kde-version Compiled in version string for KDE libraries --types Available KDE resource types --path type Search path for resource type --locate filename Find filename inside the resource type given to --path --userpath type User path: desktop|autostart|document --install type Prefix to install resource files to --qt-prefix Installation prefix for Qt --qt-binaries Location of installed Qt binaries --qt-libraries Location of installed Qt libraries --qt-plugins Location of installed Qt plugins