Default password

hello i just installed openhab2 and everything works fine
but when openning karaf and try to do anything it ask for me to enter a password which should be habopen as the document says
i also tried openhabian same thing password wrong

also if you check the screenshot there’s two error regard appender
any idea how to fix?

thanks.

sudo reboot is a unix shell command, not a karaf shell command. Try that from a command prompt (not karaf console).