پاسخ : نصب پکیج snap

ممنون دوست عزیز.تست کردم جواب نداد.
من استپ darktable رو از استوز استپ با مرورگر دانلود کردم اما خب بسته دانلودی اسم عجیب غریب داشت: aaelnjkk230iwer.snap یچی اینجوری. منم خب اسمشو تغییر دادم به darktable.snap
خب طبق گفته شما رفتم جلو اینم از خروجی:
ubuntu@ubuntu:~$ sudo snap install /media/ubuntu/other/darktable.snap
error: cannot find signatures with metadata for snap "/media/ubuntu/other/darktable.snap"
ubuntu@ubuntu:~$ sudo snap install --devmode /media/ubuntu/other/darktable.snap
error: cannot install snap file: Get https://search.apps.ubuntu.com/api/v1/snaps/details/core?channel=stable&fields=anon_download_url%2Carchitecture%2Cchannel%2Cdownload_sha3_384%2Csummary%2Cdescription%2Cdeltas%2Cbinary_filesize%2Cdownload_url%2Cepoch%2Cicon_url%2Clast_updated%2Cpackage_name%2Cprices%2Cpublisher%2Cratings_average%2Crevision%2Cscreenshot_urls%2Csnap_id%2Csupport_url%2Ctitle%2Ccontent%2Cversion%2Corigin%2Cdeveloper_id%2Cprivate%2Cconfinement: dial tcp: lookup search.apps.ubuntu.com on [::1]:53: read udp [::1]:42641->[::1]:53: read: connection refused
ubuntu@ubuntu:~$ sudo snap install --devmode --force-dangerous /media/ubuntu/other/darktable.snap
error: cannot install snap file: Get https://search.apps.ubuntu.com/api/v1/snaps/details/core?channel=stable&fields=anon_download_url%2Carchitecture%2Cchannel%2Cdownload_sha3_384%2Csummary%2Cdescription%2Cdeltas%2Cbinary_filesize%2Cdownload_url%2Cepoch%2Cicon_url%2Clast_updated%2Cpackage_name%2Cprices%2Cpublisher%2Cratings_average%2Crevision%2Cscreenshot_urls%2Csnap_id%2Csupport_url%2Ctitle%2Ccontent%2Cversion%2Corigin%2Cdeveloper_id%2Cprivate%2Cconfinement: dial tcp: lookup search.apps.ubuntu.com on [::1]:53: read udp [::1]:44488->[::1]:53: read: connection refused
ubuntu@ubuntu:~$ sudo snap install --devmode /media/ubuntu/other/darktable.snap
error: cannot install snap file: Get https://search.apps.ubuntu.com/api/v1/snaps/details/core?channel=stable&fields=anon_download_url%2Carchitecture%2Cchannel%2Cdownload_sha3_384%2Csummary%2Cdescription%2Cdeltas%2Cbinary_filesize%2Cdownload_url%2Cepoch%2Cicon_url%2Clast_updated%2Cpackage_name%2Cprices%2Cpublisher%2Cratings_average%2Crevision%2Cscreenshot_urls%2Csnap_id%2Csupport_url%2Ctitle%2Ccontent%2Cversion%2Corigin%2Cdeveloper_id%2Cprivate%2Cconfinement: dial tcp: lookup search.apps.ubuntu.com on [::1]:53: read udp [::1]:46063->[::1]:53: read: connection refused
ubuntu@ubuntu:~$

اوبونتو...