77 lines
1.8 KiB
Markdown
77 lines
1.8 KiB
Markdown
# Monitoring
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Track resource utilization over time.
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**BE MINDFUL OF RUNNING THIS. IT CAN CAUSE PROBLEMS WITH DISK IOPS AND RAM USAGE. BEST ONLY USED IF NEEDED OR YOU'RE TROUBLESHOOTING.**
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## cadvisor
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[cadvisor (link)](https://github.com/google/cadvisor) has been recommended for monitoring Docker container resource usage. Could be useful.
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Untested by the Author.
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## Munin
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Simple, efficient, old school, well supported. Start here.
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Further reading : [http://munin-monitoring.org/](http://munin-monitoring.org/)
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### Install
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``` bash
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apt update
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apt install munin munin-node \
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munin-plugins-core munin-plugins-extra \
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libcgi-fast-perl
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vim /etc/munin/munin.conf
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vim /etc/munin/munin-node.conf
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vim /etc/munin/plugin-conf.d/*
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munin-node-configure --suggest 2>&1 | less
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munin-node-configure --shell 2>&1 | less
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systemcl restart munin-node
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systemctl enable munin-node
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```
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### Serving Output Via Caddy
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``` bash
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cat > /etc/caddy/services/munin.conf <<EOF
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# Munin - Static web resources
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domain.tld:80/static domain.tld:443/static {
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redir 301 {
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if {scheme} is http
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/ https://domain.tld{uri}
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}
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root /etc/munin/static
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# Use acme.sh Let's Encrypt SSL cert setup
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tls /var/acme.sh/domain.tld/fullchain.cer /var/acme.sh/domain.tld/domain.tld.key
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}
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# Munin - main site/cgi's
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domain.tld:80 domain.tld:443 {
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redir 301 {
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if {scheme} is http
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/ https://domain.tld{uri}
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}
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log /var/log/caddy/test.kemonine.info.log
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# Setup CGI rendering scripts
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cgi /munin-cgi/munin-cgi-graph /usr/lib/munin/cgi/munin-cgi-graph
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cgi /munin-cgi/munin-cgi-html /usr/lib/munin/cgi/munin-cgi-html
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# Set path to generated HTML via cron/systemd processes
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root /var/cache/munin/www
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# Use acme.sh Let's Encrypt SSL cert setup
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tls /var/acme.sh/domain.tld/fullchain.cer /var/acme.sh/domain.tld/domain.tld.key
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}
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EOF
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```
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