wget https://dl.eff.org/certbot-auto &&\
mv certbot-auto /usr/local/bin/ &&\
chown root:root /usr/local/bin/certbot-auto &&\
chmod 0755 /usr/local/bin/certbot-auto

See certbot installation

yum install snapd
systemctl enable --now snapd.socket
ln -s /var/lib/snapd/snap /snap
snap install certbot --classic
snap install certbot-dns-dnsmadeeasy
snap set certbot trust-plugin-with-root=ok
snap install certbot-dns-dnsmadeeasy
pip uninstall certbot
ln -s /snap/bin/certbot /usr/local/bin/certbot

• Letsencrypt certificate via DNS authentication
• Setup certificate on servers without root access

• https://certbot.eff.org/docs/install.html#certbot-auto