我现在使用的是 Fedora 27。今天我尝试通过运行来安装 openvpn
dnf install openvpn easy-rsa
这给出了以下输出：
Failed to synchronize cache for repo 'pgdg95', disabling.
Last metadata expiration check: 1:33:10 ago on Tue 29 May 2018 01:37:39 PM IST.
Package openvpn-2.4.6-1.fc27.i686 is already installed, skipping.
Package easy-rsa-3.0.3-1.fc27.noarch is already installed, skipping.
Dependencies resolved.
Nothing to do.
Complete!
当我运行这些命令时
dnf install network-manager-openvpn openvpn
dnf install vlc
dnf install kdevelop
它们返回以下输出：
Failed to synchronize cache for repo 'pgdg95', disabling.
Last metadata expiration check: 1:33:10 ago on Tue 29 May 2018 01:37:39 PM IST.
Nothing to do.
Complete!
我无法在终端中安装新的软件包。当 dnfdragora 对话框更新软件包时，会带来一定程度的喘息。
PS：我尝试过dnf clean，但没有成功。我没有安装 vlc 和 kdevelop。
答案1
尝试：sudo dnf clean all && sudo dnf upgrade