It means that CentOS 8 will no longer receive development resources from the official CentOS project.

Fix Failed to download metadata for repoĬentOS Linux 8 had reached the End Of Life (EOL) on December 31st, 2021. RuntimeError: Failed to download metadata for repo 'AppStream': Cannot prepare internal mirrorlist: Curl error (6): Couldn't resolve host name for īut, then verified with the internet connection and DNS and it works just fine as below: ~]# ping Curl error (6): Couldn't resolve host name for įile '/usr/lib/python3.6/site-packages/dnf/repo.py', line 573, in loadįile '/usr/lib64/python3.6/site-packages/libdnf/repo.py', line 394, in load WARNING Errors during downloading metadata for repository 'AppStream': Output from the /var/log/dnf.log for more DEBUG information: DEBUG error: Curl error (6): Couldn't resolve host name for (). ~]# yum updateĮrror: Failed to download metadata for repo 'AppStream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

Installation went successful, however, when I tried to update the system using yum update I see this error message: Failed to download metadata for repo. I had installed a minimalist CentOS 8 on one of my servers.

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