Recent changes
Wednesday November 04 2026
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Cron and shell access Updated Markdown page
How customers on panel servers schedule Exponential's runcronjobs.php (parts, schedules, the right PHP binary, the site user's crontab), what the administration's Cronjobs page needs from PHP, and what a site can and…
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Databases and users Updated Markdown page
Creating the database and its user for an Exponential site, engine by engine in the official order (SQLite 3, PostgreSQL, MongoDB, MariaDB, Oracle, MySQL), with the privileges each driver needs, the character set, how…
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DirectAdmin Updated Markdown page
What the Exponential sources say about DirectAdmin hosts (tier 3, expected to work, in the same row as cPanel), the Exponential requirements translated into generic panel tasks, the questions to answer about your…
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ISPConfig Updated Markdown page
ISPConfig is not mentioned in the Exponential sources and is not placed in any tier. This page says so plainly, lists what an ISPConfig-managed server must provide for an Exponential site, maps each need to a generic…
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PHP selection and FPM pools Updated Markdown page
How to give an Exponential site the right PHP on a panel server: the web PHP and the command line PHP must match, one PHP-FPM pool per site running as the site's user, the settings that matter in the pool, and how to…
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Plesk Updated Markdown page
Running Exponential on Plesk, the panel of the project's own development server (AlmaLinux 9, tier 1): Plesk's PHP builds and per-domain PHP-FPM pools, the plesk-phpXY-fpm services, the domain settings, nginx in front…
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TLS certificates in panels Updated Markdown page
How HTTPS works for an Exponential site on a panel server: the panel's certificate for Apache or nginx, what Exponential itself must be told (site URLs, secure cookies, HSTS, trusted proxies), and how Velocity or…
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Webmin Updated Markdown page
Webmin is not mentioned in the Exponential sources and is not placed in a tier. This page says so, explains why the installation book's own instructions for Apache, nginx, PHP-FPM, cron and certificates are the…
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Performance Updated Markdown page
Overview of the performance section for hosting companies: the levers in order of effect, the caching layers, measuring before tuning, and a one-line guide to every page of the section.
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Benchmarking a hosted site Updated Markdown page
How a host measures Exponential sites with exp:benchmark: safe defaults, cached against rendered pages, comparing servers back to back, deploy regression checks, noise on shared machines, and turning measurements into…
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Cache clearing and warming Updated Markdown page
Which cache to clear for which change, the order that makes a change visible, the commands (ezcache.php, exp:cache, exp:velocity), cache clears on busy sites, the cleanup cronjob, and warming a site with exp:warm…
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Caching layers Updated Markdown page
Every cache between a visitor and the database of an Exponential site, in order: what each holds, whether it ships on or off, where it lives, which server uses it, and how it is cleared, so a host knows what a plan…
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CDN Updated Markdown page
Putting a content delivery network in front of hosted Exponential sites: what is safe to cache at the edge, trusting the CDN's addresses for HTTPS and the visitor's address, the CDN headers Velocity understands, purge…
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The compiled kernel container Updated Markdown page
What var/cache/kernelservices/ is, what it saves on every request under PHP-FPM and Velocity, when the deploy and the INI cache clear rebuild it, how to check it with exp:services:check, and how to switch it off.
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HTTP cache headers Updated Markdown page
What browsers, proxies and CDNs may keep from an Exponential site: the default no-cache page headers, cacheable headers for anonymous visitors only, static file lifetimes under Velocity and Apache, and the role-aware…
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OPcache Updated Markdown page
OPcache for hosted Exponential sites: the settings under PHP-FPM, Velocity and FrankenPHP, why Velocity's differ, the one setting never to use, what JIT measured, and how to check and profile the cache.
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PHP-FPM tuning Updated Markdown page
The PHP-FPM settings that matter for Exponential on a hosting server: php.ini values per pool, timeouts and the settings that must stay below them, APCu sizing and sharing, sessions, reloading the right master without…
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Static cache Updated Markdown page
The static cache for hosts: pages generated as plain files and served by the web server without PHP, why it ships off and the installation book says to leave it off, when a customer might still want it, how to generate…
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Valkey and Redis Updated Markdown page
Offering Redis or Valkey to Exponential sites with the sevenx_valkey_cache extension: what it moves out of files (content view cache, template blocks, compiled INI cache), setup, settings, sharing one server between…
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Varnish and reverse proxies Updated Markdown page
Putting a reverse proxy or a caching proxy such as Varnish in front of Exponential sites: whether you need one, trusting the proxy for HTTPS and the visitor's address, what may and may not be cached, and how to purge…