Loading mirror speeds from cached hostfile

kubernetes/signature                                                                                                                            |  844 B  00:00:00

Retrieving key from https://packages.cloud.google.com/yum/doc/yum-key.gpg

 Userid     : "Rapture Automatic Signing Key (cloud-rapture-signing-key-2022-03-07-08_01_01.pub)"

 Fingerprint: e89b faec 34d3 1829 362f 7f7b 5668 44f3 7aa9 9b80

 From       : https://packages.cloud.google.com/yum/doc/yum-key.gpg

Retrieving key from https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

kubernetes/signature                                                                                                                            | 1.4 kB  00:00:02 !!!

https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64/repodata/repomd.xml: [Errno -1] repomd.xml signature could not be verified for kubernetes

kubeadm token create <generated-token> --print-join-command --ttl=0

Note: it will not impact your current setup.

[Errno -1] repomd.xml signature could not be verified for kubernetes Trying other mirror

Unable to install any package or cannot use yum update in CentOS Linux release 8.2.2004 (Core)

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

Step 1: Go to the /etc/yum.repos.d/ directory.
cd /etc/yum.repos.d/

Step 2: Run the below commands
sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*

Step 3: Now run the yum update
yum update -y

That's it!

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