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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<title>puavo.org - Linux for schools</title>
<!-- Bootstrap core CSS -->
<link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom fonts for this template -->
<link href="vendor/fontawesome-free/css/all.min.css" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Varela+Round" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Nunito:200,200i,300,300i,400,400i,600,600i,700,700i,800,800i,900,900i" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="css/grayscale.min.css" rel="stylesheet">
<!-- Puavo.org customizations -->
<link href="css/puavo.org.css" rel="stylesheet">
</head>
<body id="page-top">
<!-- Navigation -->
<nav class="navbar navbar-expand-lg navbar-light fixed-top" id="mainNav">
<div class="container">
<a class="navbar-brand js-scroll-trigger" href="#page-top">puavo.org</a>
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
Menu
<i class="fas fa-bars"></i>
</button>
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#about">About</a>
</li>
<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#puavo_web">Puavo Web</a>
</li>
<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#puavo_os">Puavo OS</a>
</li>
<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#signup">Contact</a>
</li>
</ul>
</div>
</div>
</nav>
<!-- Header -->
<header class="masthead">
<div class="container d-flex h-100 align-items-center">
<div class="mx-auto text-center">
<h1 class="mx-auto my-0 text-uppercase puavo_text_solid">puavo</h1>
<h2 class="text-white mx-auto mt-2 mb-5 puavo_text_shadow">Managing large-scale Linux systems for schools</h2>
<a href="#about" class="btn btn-primary js-scroll-trigger">Get Started</a>
</div>
</div>
</header>
<!-- About Section -->
<section id="about" class="about-section text-center">
<div class="container">
<div class="row">
<div class="col-lg-8 mx-auto">
<h2 class="text-white mb-4">Puavo is management software with an operating system</h2>
<p class="text-white-50">
Puavo is a combination of web software (Puavo Web) and a
specially configured system (Puavo OS) using Debian GNU/Linux
operating system as its base. Puavo Web is built for managing
user accounts and devices. Puavo OS is designed for
large-scale deployment in primary and secondary schools.
The source code for both is free software under GPLv2+ license.
</p>
</div>
</div>
<img src="img/MG_8876.jpg" class="img-fluid" alt="">
</div>
</section>
<!-- Puavo Web Section -->
<section id="puavo_web" class="projects-section bg-light">
<div class="container">
<!-- Featured Puavo Web Row -->
<div class="row align-items-center no-gutters mb-4 mb-lg-5">
<div class="col-xl-8 col-lg-7">
<img class="img-fluid mb-3 mb-lg-0" src="img/puavo-web.png" alt="">
</div>
<div class="col-xl-4 col-lg-5">
<div class="featured-text text-center text-lg-left">
<h4>Puavo Web</h4>
<p class="text-black-50 mb-0">
Puavo Web manages user accounts and devices.
One Puavo Web instance can manage multiple organisations (each
with their own database), that each can contain multiple
schools. Every school can have its own administrator users who
manage user accounts and devices for the school.
Puavo Web is written on top of Ruby on Rails and
uses open source components such as OpenLDAP and MIT Kerberos.
</p>
</div>
</div>
</div>
<!-- Puavo Web One Row -->
<div class="row justify-content-center no-gutters mb-5 mb-lg-0">
<div class="col-lg-6">
<img class="img-fluid" src="img/MG_9187.jpg" alt="">
</div>
<div class="col-lg-6">
<div class="bg-black text-center h-100 project">
<div class="d-flex h-100">
<div class="project-text w-100 my-auto text-center text-lg-left">
<h4 class="text-white">User management</h4>
<p class="mb-0 text-white-50">
Manage user accounts (including user information and
passwords) one-by-one or using mass import features.
Puavo Web database can be used by external applications
that have support for LDAP. Single sign-on through
Kerberos is possible, as well as integrations with other
user databases.
</p>
<hr class="d-none d-lg-block mb-0 ml-0">
</div>
</div>
</div>
</div>
</div>
<!-- Puavo Web Two Row -->
<div class="row justify-content-center no-gutters">
<div class="col-lg-6">
<img class="img-fluid" src="img/IMG_20181009_104545.jpg" alt="">
</div>
<div class="col-lg-6 order-lg-first">
<div class="bg-black text-center h-100 project">
<div class="d-flex h-100">
<div class="project-text w-100 my-auto text-center text-lg-right">
<h4 class="text-white">Device management</h4>
<p class="mb-0 text-white-50">
Puavo Web can be used to manage Puavo OS clients,
including workstations, laptops and servers, and
even other types of devices. Settings are stored in
Puavo and can be specific to any organisation, school
or device.
</p>
<hr class="d-none d-lg-block mb-0 mr-0">
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Puavo OS Section -->
<section id="puavo_os" class="projects-section bg-light">
<div class="container">
<!-- Featured Puavo OS Row -->
<div class="row align-items-center no-gutters mb-4 mb-lg-5">
<div class="col-xl-8 col-lg-7">
<img class="img-fluid mb-3 mb-lg-0" src="img/MG_8751.jpg" alt="">
</div>
<div class="col-xl-4 col-lg-5">
<div class="featured-text text-center text-lg-left">
<h4>Puavo OS</h4>
<p class="text-black-50 mb-0">
Puavo OS is an operating system that is built from Debian
GNU/Linux and is specifically designed for learning. It has
historical roots in <a href="http://www.ltsp.org">Linux
Terminal Server Project</a>, but has a different approach
despite being similar in spirit. System is
distributed as a read-only disk image that is updated
atomically without any disruption for users.
</p>
</div>
</div>
</div>
<!-- Puavo OS One Row -->
<div class="row justify-content-center no-gutters mb-5 mb-lg-0">
<div class="col-lg-6">
<img class="img-fluid" src="img/puavo-os-desktop.jpg" alt="">
</div>
<div class="col-lg-6">
<div class="bg-black text-center h-100 project">
<div class="d-flex h-100">
<div class="project-text w-100 my-auto text-center text-lg-left">
<h4 class="text-white">Puavo OS Desktop</h4>
<p class="mb-0 text-white-50">
The Puavo OS desktop is a tweaked version of Gnome.
The system has Firefox and Chromium web browsers,
Libreoffice, various audio/image/video editing tools,
programming environments and other educational tools.
It should work well on most PC hardware, also including
somewhat older computers maybe up to ten years old.
</p>
<hr class="d-none d-lg-block mb-0 ml-0">
</div>
</div>
</div>
</div>
</div>
<!-- Puavo OS Two Row -->
<div class="row justify-content-center no-gutters">
<div class="col-lg-6">
<img class="img-fluid" src="img/device-collage.jpg" alt="">
</div>
<div class="col-lg-6 order-lg-first">
<div class="bg-black text-center h-100 project">
<div class="d-flex h-100">
<div class="project-text w-100 my-auto text-center text-lg-right">
<h4 class="text-white">Multiple system modes</h4>
<p class="mb-0 text-white-50">
Puavo OS hosts can function in various roles. They
can function as bootservers, providing networking,
file and printing services. Hosts can be booted as
diskless clients that access user home directories
through NFS from server. Laptops can boot from a
local drive and remain functional in case of network
connectivity problems. Other operating modes such as
digital signage systems are also possible.
</p>
<hr class="d-none d-lg-block mb-0 mr-0">
</div>
</div>
</div>
</div>
</div>
<!-- Puavo OS Three Row -->
<div class="row justify-content-center no-gutters mb-5 mb-lg-0">
<div class="col-lg-6">
<img class="img-fluid" src="img/IMG_6650.JPG" alt="">
</div>
<div class="col-lg-6">
<div class="bg-black text-center h-100 project">
<div class="d-flex h-100">
<div class="project-text w-100 my-auto text-center text-lg-left">
<h4 class="text-white">Other features</h4>
<p class="mb-0 text-white-50">
Other Puavo OS features include guest logins (with
throwaway home directories), dual-booting with Windows,
mechanisms for optional installation of proprietary
applications, an application menu with configurable
profiles, the ability to provide a Nextcloud server
inside a school network (with Collabora Office), a
restricted desktop mode for examinations and many more!
</p>
<hr class="d-none d-lg-block mb-0 ml-0">
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Signup Section -->
<section id="signup" class="signup-section">
<div class="container">
<div class="row">
<div class="col-md-10 col-lg-8 mx-auto text-center">
<h2 class="text-white mb-5 puavo_text_shadow">
Actively developed to benefit education.
</h2>
<p class="mb-0 text-white puavo_text_shadow">
Both Puavo Web and Puavo OS are developed by
<a href="https://opinsys.fi/">Opinsys</a>,
a Finnish company that has been providing information technology
related services to schools in Finland since 2005
("Opin" may be translated as "I learn" or "of learning").
Puavo systems are in active use in numerous Finnish schools,
as well as in a few schools in Switzerland
(by <a href="https://www.amxa.ch/puavo/index-de.html">amXa</a>)
and Germany. Opinsys also provides consulting for those who are
interested in making use of Puavo technology on their own.
</p>
<p class="mb-0 text-white puavo_text_shadow">
To learn more, you might want to check out our
<a href="https://fosdem.org/2020/schedule/event/puavo_linux_desktops_finland/">
presention at Fosdem 2020
</a>
or browse our repositories on
<a href="https://github.com/puavo-org/">GitHub</a>.
Also available is a presentation on
<a href="https://chemnitzer.linux-tage.de/2024/de/programm/beitrag/283">
Chemnitz Linux Days 2024
</a> (in German), as well as a presentation discussing digital
examinations, delivered on
<a href="https://www.sfscon.it/talks/implementing-digital-examinations-in-free-software-systems/">
SFSCON 2024
</a>.
</p>
</div>
</div>
</div>
</section>
<!-- Contact Section -->
<section class="contact-section bg-black">
<div class="container">
<div class="row">
<div class="col-md-2 mb-3 mb-md-0">
</div>
<div class="col-md-4 mb-3 mb-md-0">
<div class="card py-4 h-100">
<div class="card-body text-center">
<i class="fas fa-puzzle-piece text-primary mb-2"></i>
<h4 class="text-uppercase m-0">Download</h4>
<hr class="my-4">
<div class="text-black-50">
<a href="https://archive.opinsys.fi/images/install-puavo-os-allinone-bookworm-2026-01-28-085403-amd64.vdi">
Puavo OS install image for VirtualBox
</a>
<div style="font-size: 65%;">
SHA256 checksum: e74ff2b1c02b83228593d402d2b2fd5838cfa5e2de56584c683f629b14d6294e
</div>
</div>
<div class="text-black-50">
<a href="https://archive.opinsys.fi/images/install-puavo-os-allinone-bookworm-2026-01-28-085403-amd64.img">
Puavo OS install image for usb drives
</a>
<div style="font-size: 65%;">
SHA256 checksum: 628fe36731395126875afc2c0c2c02d2cce1ce730bbc0205d27ba299c49cc44d
</div>
</div>
<div class="text-black-50">
<a href="https://archive.opinsys.fi/images/disk-puavo-os-exam-trixie-2025-05-27-111805-amd64.img">
Puavo OS Standalone Examination Mode for usb drives
</a>
<div style="font-size: 65%;">
SHA256 checksum: 8c4ae26b5fcd33150ba9cea1b23dfe76152de1e8c40d7211db5e40020f15c235
</div>
</div>
—
<div class="small text-black-50">
(for flashing an image file to a usb drive you may
simply use <code>dd</code>, but some folks may
prefer <a href="https://etcher.io/">Etcher</a> instead)
</div>
</div>
</div>
</div>
<div class="col-md-4 mb-3 mb-md-0">
<div class="card py-4 h-100">
<div class="card-body text-center">
<i class="fas fa-envelope text-primary mb-2"></i>
<h4 class="text-uppercase m-0">Email</h4>
<hr class="my-4">
<div class="text-black-50">
send your questions to<br/>
<a href="mailto:dev@opinsys.fi">dev@opinsys.fi</a>
</div>
</div>
</div>
</div>
<div class="col-md-2 mb-3 mb-md-0">
</div>
</div>
<div class="social d-flex justify-content-center">
<a href="https://github.com/puavo-org/" class="mx-2">
<i class="fab fa-github"></i>
</a>
</div>
</div>
</section>
<!-- Footer -->
<footer class="bg-black small text-center text-white-50">
<div class="container">
Copyright © <a href="https://opinsys.fi/">Opinsys</a> 2025
</div>
</footer>
<!-- Bootstrap core JavaScript -->
<script src="vendor/jquery/jquery.min.js"></script>
<script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<!-- Plugin JavaScript -->
<script src="vendor/jquery-easing/jquery.easing.min.js"></script>
<!-- Custom scripts for this template -->
<script src="js/grayscale.min.js"></script>
</body>
</html>