Во второй строчке команда для запуска из терминала
вот что выдает при запуске МС
raf@linux-1o57:/opt/viber> ./Viber
./Viber: /lib64/libdbus-1.so.3: no version information available (required by /opt/viber/lib/libQt5DBus.so.5)
./Viber: /lib64/libdbus-1.so.3: no version information available (required by /opt/viber/lib/libQt5WebEngineCore.so.5)
Attribute Qt::AA_ShareOpenGLContexts must be set before QCoreApplication is created.
/opt/viber/libexec/QtWebEngineProcess: /lib64/libdbus-1.so.3: no version information available (required by /opt/viber/libexec/../lib/libQt5WebEngineCore.so.5)
./Viber: symbol lookup error: /opt/viber/plugins/platforms/../../lib/libQt5XcbQpa.so.5: undefined symbol: FT_Get_Font_Format