J'ai vu que tu utilisais mageia, donc je l'ai installé et voici les messages d'erreur quand je lance Browservice:
[skynet@localhost ~]$ ./browservice-v0.9.12.0-x86_64.AppImage --vice-opt-http-listen-addr=0.0.0.0:2571 --chromium-args=-gl=desktop --data-dir=$HOME/.browservice/cefdata --show-soft-navigation-buttons=YES --start-page=https://www.google.fr --vice-opt-http-auth=user:password
INFO @ src/main.cpp:229 -- Loading vice plugin retrojsvice.so
INFO @ src/main.cpp:236 -- Initializing vice plugin retrojsvice.so
INFO @ retrojsvice.so src/context.cpp:296 -- Creating retrojsvice plugin context
INFO @ src/xvfb.cpp:64 -- Starting Xvfb X server as child process
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
INFO @ src/xvfb.cpp:135 -- Xvfb X server :10 successfully started
INFO @ retrojsvice.so src/context.cpp:354 -- Starting plugin
INFO @ retrojsvice.so src/http.cpp:620 -- Starting HTTP server (listen address: 0.0.0.0:2571)
INFO @ retrojsvice.so src/http.cpp:628 -- HTTP server started successfully
AmigaONE X5040/2,2 Ghz (A-Eon), Radeon RX560, 4 Go de Ram et OS4.1.3 FE - Vampire V4SA et OS 3.2.2.1