Hi. I try to install openvpn at my centos 7 server (CentOS Linux release 7.6.1810 (Core)). According to many tutorials at the internet, I was using yum install epel-release -y to enable the repo. When (after installing epel-release) I try to install openvpn using yum install openvpn -y I get this error: Geladene Plugins: fastestmirror Loading mirror speeds from cached hostfile epel/x86_64/metalink | 30 kB 00:00:00 * base: mirror.fra10.de.leaseweb.net * epel: ftp-stud.hs-esslingen.de * extras: ftp.rz.uni-frankfurt.de * updates: centos.schlundtech.de base/7/x86_64/signature | 811 B 00:00:00 base/7/x86_64/signature | 3.6 kB 00:00:00 !!! https://mirror.imt-systems.com/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTPS Error 404 - Not Found Anderer Spiegelserver wird versucht. Ater that I get a lot of these errors, all with the same signature: https://ftp-stud.hs-esslingen.de/pub/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTPS Error 404 - Not Found Anderer Spiegelserver wird versucht. http://ftp.uni-stuttgart.de/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTP Error 404 - Not Found Anderer Spiegelserver wird versucht. https://mirror.infonline.de/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTPS Error 404 - Not Found .... What am I doing wrong? Thanks, Steffi