CentOS 8

Troubleshooting

Error: Failed to download metadata for repo 'appstream'

Problem

While trying to update the system. This error occurs:

Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

Solution

Run these commands:

wget 'http://mirror.centos.org/centos/8-stream/BaseOS/x86_64/os/Packages/centos-gpg-keys-8-3.el8.noarch.rpm'
sudo rpm -i 'centos-gpg-keys-8-3.el8.noarch.rpm'

sudo dnf --disablerepo '*' --enablerepo=extras swap centos-linux-repos centos-stream-repos

sudo dnf distro-sync

Quelle: https://stackoverflow.com/questions/70963985/error-failed-to-download-metadata-for-repo-appstream-cannot-prepare-internal