VPS Setup

# Install dependencies
yum install prosody

# Setup config for prosody
cat << EOF > /etc/prosody/conf.d/meet.stuts.uk.cfg.lua
VirtualHost "chat.stuts.uk"
    authentication = "anonymous"
    ssl = {
        key = "/var/lib/prosody/chat.stuts.uk.key";
        certificate = "/var/lib/prosody/chat.stuts.uk.crt";
    }
    modules_enabled = {
        "bosh";
        "pubsub";
    }
    c2s_require_encryption = false
VirtualHost "auth.chat.stuts.uk"
    ssl = {
        key = "/var/lib/prosody/auth.chat.stuts.uk.key";
        certificate = "/var/lib/prosody/auth.chat.stuts.uk.crt";
    }
    authentication = "internal_hashed"
admins = { "focus@auth.chat.stuts.uk" }
Component "conference.chat.stuts.uk" "muc"
Component "jitsi-videobridge.chat.stuts.uk"
    component_secret = "SECRET1"
Component "focus.chat.stuts.uk"
    component_secret = "SECRET2"
EOF

# Generate certs (set org name and email address)
prosodyctl cert generate chat.stuts.uk
prosodyctl cert generate auth.chat.stuts.uk

# Trust certificate
ln -sf /var/lib/prosody/auth.chat.stuts.uk.crt /etc/pki/ca-trust/source/anchors/
update-ca-trust

# Conference user
prosodyctl register focus auth.chat.stuts.uk 'SECRET3'

# Restart service
prosodyctl restart

# Add Nginx config 
cat << EOF > /etc/nginx/http.d/chat.stuts.uk.conf
server_names_hash_bucket_size 64;

server {
    listen 0.0.0.0:443 ssl http2;
    listen [::]:443 ssl http2;
    # tls configuration that is not covered in this guide
    # we recommend the use of https://certbot.eff.org/
    server_name chat.stuts.uk;
    # set the root
    root /srv/jitsi-meet;
    index index.html;
    location ~ ^/([a-zA-Z0-9=\?]+)$ {
        rewrite ^/(.*)$ / break;
    }
    location / {
        ssi on;
    }
    # BOSH, Bidirectional-streams Over Synchronous HTTP
    # https://en.wikipedia.org/wiki/BOSH_(protocol)
    location /http-bind {
        proxy_pass      http://localhost:5280/http-bind;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header Host $http_host;
    }
    # external_api.js must be accessible from the root of the
    # installation for the electron version of Jitsi Meet to work
    # https://github.com/jitsi/jitsi-meet-electron
    location /external_api.js {
        alias /srv/jitsi-meet/libs/external_api.min.js;
    }
}
EOF

# Download Videobridge
cd /usr/local
wget https://github.com/jitsi/jitsi-videobridge/archive/stable/jitsi-meet_4627.zip
unzip jitsi-meet_4627.zip
mv jitsi-videobridge-stable-jitsi-meet_4627/ jitsi-videobridge
rm -f jitsi-meet_4627.zip

Ref - https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-manual

https://howto.lintel.in/install-jitsi-meet-centos-7/