Installing Certbot This page reorganizes the operational steps for Installing Certbot. In short, to install Certbot on CentOS 7, run the following commands: yum -y install snapd ; systemctl enable --now snapd.socket ; ln -s /var/lib/snapd/snap /snap snap install core; snap refresh core ; snap install --classic certbot ; ln -s /snap/bin/certbot /usr/bin/certbot If you want to use Certbot from within the Admin/Theme page, you need to follow the installation instruction about Apache Integration on related application page/Themes Current Verification After applying the change, verify the related MiRTA PBX page, the Asterisk logs, and the relevant Status menu entry. Recheck tenant selection before testing tenant-specific behavior.