What Is an Open Hosting Panel and How Does OpenPanel Work?

Updated

An open hosting panel is a web hosting control panel whose code and configuration you can inspect, run, and extend on your own infrastructure, rather than a closed product tied to one vendor. OpenPanel fits that description: it is a multi-user web hosting panel built around lightweight containers, where each user gets a fully isolated environment with its own MySQL server, PHP version, Redis instance, and full root access. It is designed to sit "in the sweet spot between shared hosting and VPS" — you get the convenience of a panel with the isolation of separate environments.

How OpenPanel's container-per-user model works

Traditional shared hosting puts many accounts on one system stack, so one user's resource spikes or misconfiguration can affect others. OpenPanel instead gives every user their own container. Inside that container the user can run services, define PHP and MySQL limits, and configure components such as Varnish, Redis, and Elasticsearch.

That isolation has practical consequences:

  • Databases per user — each account runs its own MySQL server rather than sharing one.
  • Webserver per user — you can choose Nginx, OpenLitespeed, Apache, OpenResty, or Varnish for each user.
  • Multiple PHP versions — different users can run different PHP versions without conflict.
  • Object caching — Redis and Memcached can be enabled per user.
  • WAF — CorazaWAF is available for filtering.
  • Full root access — the user's container is theirs to manage, which is closer to a VPS experience than typical shared hosting.

OpenPanel vs. shared hosting vs. VPS

Dimension Typical shared hosting OpenPanel Typical VPS
Isolation Low — shared stack Per-user container Full machine, but you manage it
Setup effort None Panel-driven, faster setup Manual configuration
Root access No Yes, inside the container Yes
Per-user services No MySQL, Redis, webserver, PHP per user You configure everything
Management UI Yes OpenAdmin + user panel + OpenCLI Usually none by default

The trade-off is that OpenPanel assumes you are running it on a server you control, so it is not a drop-in replacement for a shared hosting account you buy from a provider. It is aimed at hosting providers and self-hosters who want panel convenience without giving up isolation.

The three interfaces: OpenAdmin, the user panel, and OpenCLI

OpenPanel splits administration across three surfaces:

  • OpenAdmin — the admin panel, used by the server operator to manage users, plans, and services.
  • OpenPanel user panel — the end-user interface where a hosting customer manages their own websites, domains, and settings.
  • OpenCLI — a terminal command set for scripting and automation.

OpenCLI is where much of the day-to-day control lives. Documented commands include:

opencli report              # generate a system report
opencli domains-all         # list all domains
opencli user-add            # add a new user
opencli user-password       # reset a user password
opencli domains-suspend     # suspend a domain
opencli plan-list           # list plans
opencli websites-all        # list all websites
opencli php-default         # check the default PHP version
opencli waf                 # manage CorazaWAF
opencli update --check      # check for updates
opencli user-2fa disable    # disable 2FA for a user
opencli config update dev_mode on   # enable DEV_MODE

There are also commands for collecting container stats, enabling Memcached, listing API endpoints, installing locales, checking DNS for a domain, collecting Google PageSpeed data for a website, flushing the mail queue, and changing the panel port from 2083.

Getting started

OpenPanel offers a free Community Edition. The documented install command is:

bash <(curl -sSL https://openpanel.org)

The current version referenced on the site is 2.0.8, with a changelog available. Before running the installer, confirm you have a server you are willing to dedicate to the panel and that you understand the container runtime it depends on, since the isolation model is what makes the rest of the feature set possible.

If you want to evaluate it without committing, the site provides a live demo of the admin panel, which is the fastest way to see how OpenAdmin and the user panel divide responsibilities before you install anything.