Let's encrypt doesn't renew

[pike (Michael Kicks)]

Maybe you already did it but…
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NethServer 7.7 Cockpit Edition released

[pablo%20(2)] We’re happy to announce that NethServer 7.7 Cockpit Edition is publicly available. Why a Cockpit Edition? Already introduced in version 7.6, Cockpit is now complete and available by default on new installations. It makes the server administration easier providing a modern looking and user-friendly interface. We didn’t only redesigned the web interface but also improved usability and added new features. What’s new? This release marks a big step forward for communication, colla…

Backup your server before continue
yum install nethserver-subscription
then try to update from 7.6 to 7.7