{"id":17198,"date":"2025-08-04T12:22:15","date_gmt":"2025-08-04T09:22:15","guid":{"rendered":"https:\/\/unihost.com\/help\/?p=17198"},"modified":"2025-08-22T13:37:40","modified_gmt":"2025-08-22T10:37:40","slug":"what-is-portainer","status":"publish","type":"post","link":"https:\/\/unihost.com\/help\/what-is-portainer\/","title":{"rendered":"What is Portainer?"},"content":{"rendered":"<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\"><strong>Portainer<\/strong> is a lightweight, open-source platform that serves as a management layer for containerized environments. Launched in 2016, it has grown into a popular tool due to its ability to simplify tasks that would otherwise require intricate command-line operations. Whether you\u2019re deploying a single Docker container or managing a Kubernetes cluster, Portainer provides a centralized interface to visualize and control your container resources.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\">Containers are isolated environments that package an application with its dependencies, ensuring consistency across development, testing, and production. Tools like Docker and Kubernetes are powerful but often require users to master complex syntax. Portainer eliminates this barrier by offering a web-based solution where users can click through menus to perform actions like launching containers, managing images, or configuring networks.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\">Portainer\u2019s versatility lies in its support for multiple platforms:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Docker<\/b><span style=\"font-weight: 400;\">: Manage individual containers or small-scale deployments.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Docker Swarm<\/b><span style=\"font-weight: 400;\">: Orchestrate multi-container applications in a clustered environment.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Kubernetes<\/b><span style=\"font-weight: 400;\">: Handle large-scale, cloud-native workloads.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Azure Container Instances (ACI)<\/b><span style=\"font-weight: 400;\">: Integrate with Microsoft\u2019s serverless container service.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\">This multi-platform support makes Portainer a unified tool for diverse container ecosystems, appealing to both small teams and enterprises.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Key Features of Portainer<\/b><\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\">Portainer offers a robust set of features that enhance container management. Here are the highlights:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Web-Based Interface<\/b><span style=\"font-weight: 400;\">: A clean, intuitive dashboard accessible via a web browser, eliminating the need for command-line proficiency.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Multi-Platform Support<\/b><span style=\"font-weight: 400;\">: Manage Docker, Swarm, Kubernetes, and ACI from one tool, reducing the need for multiple management solutions.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Resource Visualization<\/b><span style=\"font-weight: 400;\">: View containers, images, volumes, and networks in real time, with options to inspect or modify them.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Application Templates<\/b><span style=\"font-weight: 400;\">: Deploy popular applications (e.g., WordPress, MySQL) quickly using pre-configured templates.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>User Management<\/b><span style=\"font-weight: 400;\">: Set up role-based access control (RBAC) for teams, ensuring secure and organized collaboration.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Security Features<\/b><span style=\"font-weight: 400;\">: Support for TLS encryption and optional analytics that respect user privacy.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Extensibility<\/b><span style=\"font-weight: 400;\">: Integrate with external tools or customize via APIs and community contributions.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\">These features make Portainer a versatile and powerful tool, balancing simplicity with functionality.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>How to Install and Run Portainer on Linux<\/b><\/span><\/p>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">In this example, we\u2019ll look at how to install Portainer on a <a href=\"https:\/\/unihost.com\/vps\/\">VPS<\/a> or <a href=\"https:\/\/unihost.com\/dedicated\/\">dedicated server<\/a>.<\/span><\/p>\n<pre><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400;\">sudo apt <\/span><span style=\"font-weight: 400;\">update<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">sudo apt <\/span><span style=\"font-weight: 400;\">install<\/span><span style=\"font-weight: 400;\"> docker.io<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">sudo systemctl <\/span><span style=\"font-weight: 400;\">start<\/span><span style=\"font-weight: 400;\"> docker<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">sudo systemctl <\/span><span style=\"font-weight: 400;\">enable<\/span><span style=\"font-weight: 400;\"> docker<\/span><\/span><\/pre>\n<p style=\"text-align: center;\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Installation Steps<\/b><\/span><\/p>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Create a Volume for Persistent Data<\/b><b><br \/><\/b><span style=\"font-weight: 400;\">Portainer stores its configuration and user data in a Docker volume. Create one with:<\/span><\/span><\/p>\n<pre><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400;\">docker <\/span><span style=\"font-weight: 400;\">volume<\/span><span style=\"font-weight: 400;\"> create portainer_data<\/span><\/span><\/pre>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Run the Portainer Container<\/b><b><br \/><\/b><span style=\"font-weight: 400;\">Launch Portainer using this command:<\/span><\/span><\/p>\n<pre><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400;\">docker run -d -<\/span><span style=\"font-weight: 400;\">p<\/span> <span style=\"font-weight: 400;\">9000<\/span><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">9000<\/span><span style=\"font-weight: 400;\"> --name portainer --restart always -v \/var\/run\/docker<\/span><span style=\"font-weight: 400;\">.sock<\/span><span style=\"font-weight: 400;\">:\/var\/run\/docker<\/span><span style=\"font-weight: 400;\">.sock<\/span><span style=\"font-weight: 400;\"> -v portainer_data:\/data portainer\/portainer<\/span><\/span><\/pre>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400;\">Here\u2019s what each parameter does:<\/span><\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400; color: #339966;\">-d<\/span><span style=\"font-weight: 400;\">: Runs the container in the background.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400; color: #339966;\">-p 9000:9000<\/span><span style=\"font-weight: 400;\">: Maps port 9000 on the host to the container, making the web interface accessible.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400; color: #339966;\">&#8211;name portainer<\/span><span style=\"font-weight: 400;\">: Names the container for easy reference.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400; color: #339966;\">&#8211;restart always<\/span><span style=\"font-weight: 400;\">: Ensures Portainer restarts automatically after a system reboot.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400; color: #339966;\">-v \/var\/run\/docker.sock:\/var\/run\/docker.sock<\/span><span style=\"font-weight: 400;\">: Allows Portainer to communicate with the Docker daemon.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400; color: #339966;\">-v portainer_data:\/data<\/span><span style=\"font-weight: 400;\">: Persists Portainer\u2019s data in the volume.<\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><b>Access the Web Interface<\/b><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><span style=\"font-weight: 400;\">Open your browser and go to: http:\/\/your_VPS_IP:9000 or, if you installed it locally, http:\/\/localhost:9000. On first login, create an admin user with a strong password. Portainer will then detect your Docker environment, and you can start managing it.<\/span><\/span><\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"installing-portainer-with-the-unihost-script\"><strong>Installing Portainer with the Unihost script<\/strong><\/h3>\n\n\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><strong data-start=\"70\" data-end=\"87\">Prerequisite:<\/strong> Run the script as the <strong data-start=\"110\" data-end=\"118\">root<\/strong> user.<\/span><\/p>\n<ol>\n<li data-start=\"129\" data-end=\"161\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Connect to the server via SSH.<\/span><\/li>\n<li data-start=\"129\" data-end=\"161\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Execute the command:<\/span><\/li>\n<\/ol>\n<pre><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">curl -sS https:\/\/screen.unihost.com\/portainer\/portainer.sh | bash<br \/><\/span><\/pre>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">After the script finishes, it will display the Portainer panel URL and access credentials.<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17367\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/08\/Screenshot-from-2025-08-07-16-55-36.png\" alt=\"What is Portainer? - Image 1\" width=\"523\" height=\"118\" \/ title=\"What is Portainer? - Image 1\"> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17363\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/08\/Screenshot-from-2025-08-07-16-55-48.png\" alt=\"What is Portainer? - Image 2\" width=\"523\" height=\"118\" \/ title=\"What is Portainer? - Image 2\"><\/p>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Follow the URL and login witn credentials provided.<\/span><\/p>\n<h3 style=\"text-align: center;\"><b style=\"font-family: Ubuntu, sans-serif; font-size: 12pt; text-align: center; color: initial;\">Conclusion<\/b><\/h3>\n<p><span style=\"font-weight: 400; font-family: Ubuntu, sans-serif; font-size: 12pt;\">Portainer is a valuable tool for anyone working with containers, offering a user-friendly alternative to command-line management. Its support for multiple platforms, lightweight design, and active community make it ideal for developers, small teams, and hobbyists.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Portainer is a lightweight, open-source platform that serves as a management layer for containerized environments. Launched in 2016, it has grown into a popular tool due to its ability to simplify tasks that would otherwise require intricate command-line operations. Whether you\u2019re deploying a single Docker container or managing a Kubernetes cluster, Portainer provides a centralized [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158,595,564,167],"tags":[995,520,994,192,993],"class_list":["post-17198","post","type-post","status-publish","format-standard","hentry","category-dedicated-servers","category-kvm-en","category-cloud-vps","category-05-control-panels","tag-containers","tag-dedicated-servers","tag-docker-2","tag-installation","tag-portainer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Portainer? - Unihost.FAQ<\/title>\n<meta name=\"description\" content=\"Portainer is a lightweight, open-source platform that serves as a management layer for containerized environments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unihost.com\/help\/what-is-portainer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Portainer? - Unihost.FAQ\" \/>\n<meta property=\"og:description\" content=\"Portainer is a lightweight, open-source platform that serves as a management layer for containerized environments.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unihost.com\/help\/what-is-portainer\/\" \/>\n<meta property=\"og:site_name\" content=\"Unihost.FAQ\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/unihost\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-04T09:22:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-22T10:37:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unihost.com\/help\/minio.php?2025\/08\/Screenshot-from-2025-08-07-16-55-36.png\" \/>\n\t<meta property=\"og:image:width\" content=\"523\" \/>\n\t<meta property=\"og:image:height\" content=\"118\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Unihost Support\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@unihost\" \/>\n<meta name=\"twitter:site\" content=\"@unihost\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Unihost Support\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/unihost.com\/help\/what-is-portainer\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/unihost.com\/help\/what-is-portainer\/\"},\"author\":{\"name\":\"Unihost Support\",\"@id\":\"https:\/\/unihost.com\/help\/#\/schema\/person\/bb5ae95f38577c920e6a7507888b715a\"},\"headline\":\"What is Portainer?\",\"datePublished\":\"2025-08-04T09:22:15+00:00\",\"dateModified\":\"2025-08-22T10:37:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/unihost.com\/help\/what-is-portainer\/\"},\"wordCount\":581,\"publisher\":{\"@id\":\"https:\/\/unihost.com\/help\/#organization\"},\"image\":{\"@id\":\"https:\/\/unihost.com\/help\/what-is-portainer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/unihost.com\/help\/minio.php?2025\/08\/Screenshot-from-2025-08-07-16-55-36.png\",\"keywords\":[\"Containers\",\"dedicated servers\",\"Docker\",\"Installation\",\"Portainer\"],\"articleSection\":[\"02. 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