ممنون از راهنمایتون ولی وقتی می خواهد پکیج lightdm نصب کنه این خطا رو می ده
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
lightdm : Depends: plymouth (>= 0.8.2-2ubuntu31.1) but 0.8.2-2ubuntu31+6.0trisquel2 is to be installed
E: Unable to correct problems, you have held broken packages.
نیازمنده کمک هستم البته تو گوگل سرچ کردم ولی به جواب نرسیدم