Glossary for hosts
The terms the hosting pages use, in alphabetical order, each with the page that explains it. The general glossary of the documentation is doc/eng-us/glossary.md.
| Term | Meaning | More |
|---|---|---|
| Audit trail | hash-chained record of sign-ins, password, role and setting changes, removals and commands; exp:audit verify checks the chain | Audit trail |
CheckValidity | [SiteAccessSettings] key; while true every request goes to the setup wizard; the installer sets it to false | The setup wizard on shared hosting |
| Cluster (DFS) | several web nodes sharing file storage through the cluster handlers of file.ini | Clustering and shared storage |
| Content Security Policy (CSP) | the browser policy sent from site.ini [ContentSecurityPolicy]; enforced on the administration once its reports are clean | Content Security Policy |
CreateSites | the install step that writes the database, the packages and the settings; every install method ends in it | One-click installers |
exp:install | the console install: one command, options with defaults, exit status for scripts | exp:install for hosts |
exp:velocity deploy | runs every step a PHP code change needs, in order, with PASS or FAIL per step | Deploying changes |
| ezupdate | the extension that checks for and applies updates | Automated updates with ezupdate |
| FrankenPHP | Caddy with PHP built in; a production-ready alternative engine, run through Velocity | FrankenPHP |
| Kickstarter | installs from a reviewed kickstart.ini; exp:kickstarter run --apply | The kickstarter for hosts |
| Log viewer | Setup > Log files and ./console exp:logs: lists, follows, searches and rotates the logs, with personal data masked | Log viewer and rotation |
| Maintenance mode | a 503 page for visitors while work is done; php bin/php/maintenance.php with on, off or status, marker var/maintenance.json | Maintenance mode |
ManagedByDeployment | per-siteaccess switch that stops the administration from writing settings, templates and packages | Hardening for hosts |
| qbix | the name of Velocity's own engine in settings and commands ([ServerSettings] Engine=qbix) | Velocity for hosts |
| Request classifier | the kernel part that writes probes and attacks to var/log/security.log; it classifies, it does not block | Security log |
| request-shield | a separate web application firewall for PHP that decides before the kernel starts | request-shield and request rules |
| Response cache | Velocity's cache of whole rendered pages, answered without PHP; exp:velocity cache clear | Velocity response cache |
| Runbook | a step-by-step page for an incident | Runbooks |
| Setup wizard | the browser installer, one page per step | The setup wizard on shared hosting |
| Site package | the package of type site an install puts on a new site, for example sevenx_multisite | Site packages |
| Siteaccess | one way into the installation: a name, its settings and a matching rule (URL, host or port) | Multisite on one installation |
settings/override | the installation's own settings, including the database password; back it up, keep it private | What to back up |
var/storage | uploaded files and image variations: customer data | Storage layout |
VarDir | the directory a site writes caches, logs and storage to (var/ or var/<site>) | Storage layout |
| Velocity | Exponential Velocity, the persistent-worker web server written in PHP; recommended for every stage | Velocity for hosts |
| View cache | the cache of rendered content views, [ContentSettings] ViewCaching=enabled | Caching layers |
| Watchdog | an optional systemd timer that starts Velocity again after a crash; exp:velocity watchdog install | Velocity will not start |
| Worker | a Velocity process that keeps the application in memory and serves requests | Velocity workers and pools |
Demo mode - A public demo's state, switched on by the environment variable EXP_DEMO_MODE=1 for the site's processes: administrator passwords cannot be changed or reset, the installers accept the published password, the administration shows a banner. Never for a customer's real site. Demo mode for hosts.
Related pages
- Hosting companies: start here
- Free documentation: this page is free to copy, translate and improve under the GNU FDL 1.3.
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