CentOS 8 reached EOL on 2021-12-31 (announcement).
Therefore, the URLs to the mirrors don't work anymore. Instead of using sed to modify the URLs to point to the archived mirrors, CentOS officially recommends to convert from CentOS Linux 8 to CentOS Stream 8 via:
SELinux can be run in enforcing, permissive, or disabled mode. When you make a configuration change that might breach the current permissions, you can move SELinux from enforcing to permissive mode, on your test environment (if available) or on production. In permissive mode, SELinux permits all operations, but logs operations that would have breached the security policy in enforcing mode.
To add httpd_t to the list of permissive domains, run this command:
semanage permissive -a httpd_t
To delete httpd_t from the list of permissive domains, run:
