[CentOS Stream 8]: Error: Unknown repo epel [Solved]
I was given a task to install OpenStack Yoga release on CentOS Stream 8 Server (minimal Server). I followed the...
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Disable Weak Key Exchange Algorithm, CBC Mode in SSH
Nessus vulnerability scanner reported – SSH Weak Key Exchange Algorithms Enabled and SSH Server CBC Mode Ciphers Enabled. The detailed...Open HTTP 80 and HTTPS 443 ports in firewalld on CentOS 8
Do you want to open ports HTTP and HTTPS in firewalld? In this tutorial, I will explain how to open...How to fix “Failed to synchronize cache for repo appstream”
Recently I had explored upgrading CentOS 7 to CentOS 8 and during the process, I encountered the error: Failed to...How to Install Certbot on CentOS Stream 8 [Let’s Encrypt]
In 2017, we wrote an article on migrating to Let’s Encrypt from StarSSL and also you’ll see a number of...