انجمن تخصصی گنولینوکس

سلام و احترام. من به تازگی فدورا 39 نصب کردم. مشکلم اینه که dnf اصلا کار نمیکنه. انگار که اصلا وجود نداشته باشه. و همچنین yum.
وقت دستور dnf update رو میزنم خروجی به صورت زیر هست. میشه خواهش کنم راهنماییم کنید مشکل کارم کجاست.
Unable to detect release version (use '--releasever' to specify release version)
Copr repo for PyCharm owned by phracek 189 B/s | 341 B 00:01
Errors during downloading metadata for repository 'copr:copr.fedorainfracloud.org:phracek:PyCharm':
- Status code: 404 for https://download.copr.fedorainfracloud. ... repomd.xml (IP: 13.225.78.78)
Error: Failed to download metadata for repo 'copr:copr.fedorainfracloud.org:phracek:PyCharm': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
Fedora $releasever - x86_64 0.0 B/s | 0 B 00:00
Errors during downloading metadata for repository 'fedora':
- Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metal ... rch=x86_64 [Could not resolve host: mirrors.fedoraproject.org]
- Curl error (6): Couldn't resolve host name for http://download.example/pub/fedora/linu ... repomd.xml [Could not resolve host: download.example]
Error: Failed to download metadata for repo 'fedora': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried