Diff neded to make Jitsi's install-letsencrypt-cert.sh work on Ubuntu 20.04

install-letsencrypt-cert.sh.diff

ubuntu@jitsi ~> diff ~/install-letsencypt-cert.sh.bak /usr/share/jitsi-meet/scripts/install-letsencrypt-cert.sh
28,39d27
< if [ ! -f certbot-auto ] ; then
<   wget https://dl.eff.org/certbot-auto
<   chmod a+x ./certbot-auto
< fi
< 
< CRON_FILE="/etc/cron.weekly/letsencrypt-renew"
< if [ ! -d "/etc/cron.weekly" ] ; then
<     mkdir "/etc/cron.weekly"
< fi
< echo "#!/bin/bash" > $CRON_FILE
< echo "/usr/local/sbin/certbot-auto renew >> /var/log/le-renew.log" >> $CRON_FILE
< 
54c42
<         ./certbot-auto certonly --noninteractive \
---
>         certbot certonly --noninteractive \
60c48
<         ./certbot-auto certonly --noninteractive \
---
>         certbot certonly --noninteractive \
78d65
<     echo "service nginx reload" >> $CRON_FILE
82c69
<     ./certbot-auto certonly --noninteractive \
---
>     certbot certonly --noninteractive \
99d85
<     echo "service apache2 reload" >> $CRON_FILE
103,104d88
< # the cron file that will renew certificates
< chmod a+x $CRON_FILE