kemonine

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This repository has been archived on 2022-08-05. You can view files and clone it, but cannot push or open issues or pull requests.

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Monitoring

Track resource utilization over time.

BE MINDFUL OF RUNNING THIS. IT CAN CAUSE PROBLEMS WITH DISK IOPS AND RAM USAGE. BEST ONLY USED IF NEEDED OR YOU'RE TROUBLESHOOTING.

cadvisor

cadvisor (link) has been recommended for monitoring Docker container resource usage. Could be useful.

Untested by the Author.

Munin

Simple, efficient, old school, well supported. Start here.

Further reading : http://munin-monitoring.org/

Install


apt update
apt install munin munin-node \
    munin-plugins-core munin-plugins-extra \
    libcgi-fast-perl
vim /etc/munin/munin.conf
vim /etc/munin/munin-node.conf
vim /etc/munin/plugin-conf.d/*
munin-node-configure --suggest 2>&1 | less
munin-node-configure --shell 2>&1 | less
systemcl restart munin-node
systemctl enable munin-node

Serving Output Via Caddy


cat > /etc/caddy/services/munin.conf <<EOF
# Munin - Static web resources
domain.tld:80/static domain.tld:443/static {
    redir 301 {
        if {scheme} is http
        / https://domain.tld{uri}
    }

    root /etc/munin/static

    # Use acme.sh Let's Encrypt SSL cert setup
    tls /var/acme.sh/domain.tld/fullchain.cer /var/acme.sh/domain.tld/domain.tld.key
}

# Munin - main site/cgi's
domain.tld:80 domain.tld:443 {
    redir 301 {
        if {scheme} is http
        / https://domain.tld{uri}
    }

    log /var/log/caddy/test.kemonine.info.log

    # Setup CGI rendering scripts
    cgi /munin-cgi/munin-cgi-graph /usr/lib/munin/cgi/munin-cgi-graph
    cgi /munin-cgi/munin-cgi-html /usr/lib/munin/cgi/munin-cgi-html

    # Set path to generated HTML via cron/systemd processes
    root /var/cache/munin/www

    # Use acme.sh Let's Encrypt SSL cert setup
    tls /var/acme.sh/domain.tld/fullchain.cer /var/acme.sh/domain.tld/domain.tld.key
}
EOF

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