I'm a totally newbie about this, I'm writing here asking for help....
Debian buster, display manager is lightdm.
I need read-only filesystem for GUI applications (kiosk).
I can set filesystem in "read-only", I can start GUI from command line (script).
Desktop is locked: only GUI window, no panel/menu.
Here run.log:
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[...]
** Message: 18:10:43.800: app.vala:76: Launching lxpanel
(process:2314): Gtk-WARNING **: 18:10:43.845: Locale not supported by C library.
Using the fallback 'C' locale.
** Message: 18:10:43.894: x-terminal-emulator has very limited support, consider choose another terminal
** Message: 18:10:44.537: Connecting ...
** Message: 18:10:44.537: Status changed to down
** (lxpanel:2314): CRITICAL **: 18:10:44.539: dhcpcd_open: Resource temporarily unavailable
xrandr: Failed to get size of gamma for output default
** (lxpanel:2314): WARNING **: 18:10:44.575: init context: err:6 Connection refused
Assertion 'pthread_mutex_lock(&m->mutex) == 0' failed at pulsecore/mutex-posix.c:90, function pa_mutex_lock(). Aborting.
** Message: 18:10:44.589: app.vala:130: lxpanel exit with this type of exit: 6
** Message: 18:10:44.589: app.vala:148: Exit not normal, try to reload
** Message: 18:10:44.589: app.vala:156: Application crashed too much, stop reloading
If I boot filesystem in read/write I can see bar, if I boot in readonly then I move to read/write, restarting display:
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sudo systemctl restart display-manager
again bar blinking six times and stop.
Any idea?
Thanks.