Error: Cannot retrieve repository metadata (repomd.xml) for repository: [Errno 14] PYCURL ERROR 7 - "Failed to connect to Network is unreachable"

Issue

An error arise is when trying to upgrade the MySQL Governor's MariaDB version using the dbgovernor script:

https://wp-toolkit.plesk.com/cPanel/wp-toolkit/repodata/repomd.xml: [Errno 14] PYCURL ERROR 7 - "Failed to connect to 2a02:6ea0:c800::8: Network is unreachable" 
Trying other mirror. 
Error: Cannot retrieve repository metadata (repomd.xml) for repository: wp-toolkit-cpanel.

Environment

• CloudLinux 6
• cPanel

Solution

1. Try to clear the yum cache and make it again:

yum clean all
yum makecache

2. If it persists, disable the repo or disable ipv6 support for yum (add "ip_resolve=4" to /etc/yum.conf)