{"id":18146,"date":"2026-09-18T12:59:54","date_gmt":"2026-09-18T12:59:54","guid":{"rendered":"https:\/\/greenwebpage.com\/community\/?p=18146"},"modified":"2026-09-18T13:00:00","modified_gmt":"2026-09-18T13:00:00","slug":"how-to-install-and-use-docker-on-rocky-linux-10","status":"publish","type":"post","link":"https:\/\/greenwebpage.com\/community\/how-to-install-and-use-docker-on-rocky-linux-10\/","title":{"rendered":"How to Install and Use Docker on Rocky Linux 10: A Step-by-Step Guide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\n  Rocky Linux 10 ships with Podman as its default container tool, not Docker, which catches a lot of people off guard the first time they try dnf install docker and get nowhere. This guide covers the full end-to-end process: adding Docker&#8217;s official repository, installing Docker Engine and Compose, fixing the one gotcha that trips up almost everyone on a fresh Rocky Linux 10 install, and running your first containers. If you&#8217;re setting this up on a home lab box or a production server, the steps below are the same either way.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Table of Content<\/strong>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#Why-Docker-Isn't-Preinstalled-on-Rocky-Linux-10\">Why Docker Isn&#8217;t Preinstalled on Rocky Linux 10<\/a><\/li>\n\n\n\n<li><a href=\"#Installing-and-Using-Docker-on-Rocky-Linux-10\">Installing and Using Docker on Rocky Linux 10<\/a>\n<ul class=\"wp-block-list\">\n<li><a href=\"#Step-1:-Add-the-Official-Docker-Repository\">Step 1: Add the Official Docker Repository<\/a><\/li>\n\n\n\n<li><a href=\"#Step-2:-Install-Docker-Engine\">Step 2: Install Docker Engine<\/a><\/li>\n\n\n\n<li><a href=\"#Step-3:-Start-and-Enable-Docker\">Step 3: Start and Enable Docker<\/a><\/li>\n\n\n\n<li><a href=\"#Step-4:-Verify-the-Installation-of-Docker\">Step 4: Verify the Installation<\/a><\/li>\n\n\n\n<li><a href=\"#Step-5:-Run-Docker-Without-Sudo\">Step 5: Run Docker Without Sudo<\/a><\/li>\n\n\n\n<li><a href=\"#Step-6:-Configure-Firewalld-for-Container-Traffic\">Step 6: Configure Firewalld for Container Traffic<\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#Using-Docker-on-Rocky-Linux-10\">Using Docker on Rocky Linux 10<\/a><\/li>\n\n\n\n<li><a href=\"#Troubleshooting-Common-Issues\">Troubleshooting Common Issues<\/a><\/li>\n\n\n\n<li><a href=\"#Conclusion\">Conclusion<\/a><\/li>\n\n\n\n<li><a href=\"#Frequently-Asked-Questions\">Frequently Asked Questions<\/a><br>  <\/li>\n<\/ul>\n\n\n\n<h2 id=\"Why-Docker-Isn't-Preinstalled-on-Rocky-Linux-10\" class=\"wp-block-heading\"><a id=\"post-18146-_37cylxz0fv7h\"><\/a><strong>Why Docker Isn&#8217;t Preinstalled on Rocky Linux 10<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rocky Linux, like the rest of the RHEL family, ships with Podman as its default container runtime rather than Docker. Podman is a solid tool in its own right, but plenty of teams standardize on Docker for compatibility with existing tooling, CI pipelines, or Docker Compose files they already maintain. Installing Docker on Rocky Linux 10, sometimes searched as installing Docker on RockyOS, means adding Docker&#8217;s own repository first, since it was never part of the distribution&#8217;s default package set.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a id=\"post-18146-_ef2fh08c5ok1\"><\/a><strong>Prerequisites: System Requirements and Initial Setup<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  You&#8217;ll need a <a href=\"https:\/\/rockylinux.org\/download\">Rocky Linux 10 server<\/a> or virtual machine with root or sudo access, an internet connection to download packages, and about ten minutes. This guide was tested on Rocky Linux 10.2 with current Docker CE 29.8.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update Your System<\/strong>\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Start by making sure your packages are current:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo dnf update\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1042\" height=\"549\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-1.png\" alt=\"update packages\" class=\"wp-image-18147\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-1.png 1042w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-1-300x158.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-1-1024x540.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-1-768x405.png 768w\" sizes=\"(max-width: 1042px) 100vw, 1042px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reboot if a kernel update was included, then continue once you&#8217;re back in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Remove Conflicting Container Packages<\/strong>\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rocky Linux 10 includes Podman and related tools by default, and some of these can conflict with a clean Docker install. Remove them first:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo dnf remove -y podman podman-docker runc buildah\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1048\" height=\"514\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-2.png\" alt=\"remove conflicting container packages\" class=\"wp-image-18148\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-2.png 1048w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-2-300x147.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-2-1024x502.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-2-768x377.png 768w\" sizes=\"(max-width: 1048px) 100vw, 1048px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  If any of these aren&#8217;t installed, dnf simply skips them, so this command is safe to run regardless of what&#8217;s actually present on your system.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Install dnf-plugins-core<\/strong>\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  This package provides config-manager, the tool you&#8217;ll use to add Docker&#8217;s repository:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo dnf install -y dnf-plugins-core\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1045\" height=\"301\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-3.png\" alt=\"install dnf plugins\" class=\"wp-image-18149\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-3.png 1045w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-3-300x86.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-3-1024x295.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-3-768x221.png 768w\" sizes=\"(max-width: 1045px) 100vw, 1045px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fix the Kernel Modules Gotcha (Important for Rocky Linux 10)<\/strong>\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  This is the step most tutorials skip, and it&#8217;s the reason Docker fails to start on a lot of fresh Rocky Linux 10 minimal and cloud installs. These images don&#8217;t include kernel-modules-extra by default, and without it, Docker can&#8217;t load the xt_addrtype module that iptables needs. Install it now, before Docker ever tries to start:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo dnf install -y kernel-modules-extra\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1043\" height=\"483\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-4.png\" alt=\"installing kernel modules\" class=\"wp-image-18150\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-4.png 1043w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-4-300x139.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-4-1024x474.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-4-768x356.png 768w\" sizes=\"(max-width: 1043px) 100vw, 1043px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Skipping this step is the single most common reason people end up with a Docker service that installs fine but refuses to actually run.\n<\/p>\n\n\n\n<h2 id=\"Installing-and-Using-Docker-on-Rocky-Linux-10\" class=\"wp-block-heading\"><a id=\"post-18146-_o66yp2vz0kvu\"><\/a><strong>Installing and Using Docker on Rocky Linux 10<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Installing and using Docker on Rocky Linux 10 involves setting up the official Red Hat Enterprise Linux (RHEL) repository, installing the <a href=\"https:\/\/docs.docker.com\/engine\/install\/\">Docker Engine packages<\/a>, and configuring basic permissions. Learn how to install and use Docker on Rocky Linux step-by-step.\n<\/p>\n\n\n\n<h3 id=\"Step-1:-Add-the-Official-Docker-Repository\" class=\"wp-block-heading\"><a id=\"post-18146-_meajjkkh8h6r\"><\/a><strong>Step 1: Add the Official Docker Repository<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Docker maintains its own repository for RHEL-based systems, and this is where you&#8217;ll get real Docker packages rather than relying on anything bundled with Rocky Linux itself:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo dnf config-manager &#8211;add-repo https:\/\/download.docker.com\/linux\/rhel\/docker-ce.repo\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1045\" height=\"168\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-5.png\" alt=\"add official docker repository\" class=\"wp-image-18151\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-5.png 1045w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-5-300x48.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-5-1024x165.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-5-768x123.png 768w\" sizes=\"(max-width: 1045px) 100vw, 1045px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Confirm it was added correctly:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  dnf repolist | grep docker\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1047\" height=\"141\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-6.png\" alt=\"confirm added repository\" class=\"wp-image-18152\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-6.png 1047w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-6-300x40.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-6-1024x138.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-6-768x103.png 768w\" sizes=\"(max-width: 1047px) 100vw, 1047px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  You should see docker-ce-stable listed among your enabled repositories.\n<\/p>\n\n\n\n<h3 id=\"Step-2:-Install-Docker-Engine\" class=\"wp-block-heading\"><a id=\"post-18146-_gezapnaa6o70\"><\/a><strong>Step 2: Install Docker Engine<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">With the repository added and the kernel module issue handled, install Docker along with the CLI, containerd, Buildx, and the Compose plugin in one command:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1047\" height=\"636\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-7.png\" alt=\"install docker engine\" class=\"wp-image-18153\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-7.png 1047w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-7-300x182.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-7-1024x622.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-7-768x467.png 768w\" sizes=\"(max-width: 1047px) 100vw, 1047px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  You&#8217;ll be asked to confirm the Docker repository&#8217;s GPG key during this step. Type y to accept it.\n<\/p>\n\n\n\n<h3 id=\"Step-3:-Start-and-Enable-Docker\" class=\"wp-block-heading\"><a id=\"post-18146-_kbki886l5wh8\"><\/a><strong>Step 3: Start and Enable Docker<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  After installing Docker on Rocky Linux 10, let\u2019s start and enable Docker services.\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo systemctl enable &#8211;now docker\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1048\" height=\"166\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-8.png\" alt=\"enable docker\" class=\"wp-image-18154\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-8.png 1048w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-8-300x48.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-8-1024x162.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-8-768x122.png 768w\" sizes=\"(max-width: 1048px) 100vw, 1048px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Confirm it&#8217;s actually running:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo systemctl status docker\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1045\" height=\"611\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-9.png\" alt=\"check docker status\" class=\"wp-image-18155\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-9.png 1045w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-9-300x175.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-9-1024x599.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-9-768x449.png 768w\" sizes=\"(max-width: 1045px) 100vw, 1045px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  You&#8217;re looking for active (running) in the output.\n<\/p>\n\n\n\n<h3 id=\"Step-4:-Verify-the-Installation-of-Docker\" class=\"wp-block-heading\"><a id=\"post-18146-_aiiyh5xnm3vm\"><\/a><strong>Step 4: Verify the Installation of Docker<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Check the installed version:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  docker &#8211;version\n<\/p><p>\n  docker compose version\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1049\" height=\"243\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-10.png\" alt=\"check docker version\" class=\"wp-image-18156\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-10.png 1049w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-10-300x69.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-10-1024x237.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-10-768x178.png 768w\" sizes=\"(max-width: 1049px) 100vw, 1049px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Then run Docker&#8217;s hello world image to confirm everything is wired up correctly end to end:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo docker run hello-world\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1051\" height=\"627\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-11.png\" alt=\"run hello world in docker\" class=\"wp-image-18157\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-11.png 1051w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-11-300x179.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-11-1024x611.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-11-768x458.png 768w\" sizes=\"(max-width: 1051px) 100vw, 1051px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  If you see a message confirming your installation appears to be working correctly, Docker is fully functional on your system.\n<\/p>\n\n\n\n<h3 id=\"Step-5:-Run-Docker-Without-Sudo\" class=\"wp-block-heading\"><a id=\"post-18146-_vcu9le6k0kv8\"><\/a><strong>Step 5: Run Docker Without Sudo<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Typing sudo before every Docker command gets old fast. Add your user to the docker group instead:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo usermod -aG docker $USER\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1043\" height=\"100\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-12.png\" alt=\"add user to docker group\" class=\"wp-image-18158\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-12.png 1043w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-12-300x29.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-12-1024x98.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-12-768x74.png 768w\" sizes=\"(max-width: 1043px) 100vw, 1043px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Log out and back in, or run this to apply the group change in your current session without a full logout:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  newgrp docker\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1044\" height=\"111\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-13.png\" alt=\"apply the docker changes\" class=\"wp-image-18159\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-13.png 1044w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-13-300x32.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-13-1024x109.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-13-768x82.png 768w\" sizes=\"(max-width: 1044px) 100vw, 1044px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Test that it worked:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  docker run hello-world\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1049\" height=\"633\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-14.png\" alt=\"run docker hello world\" class=\"wp-image-18160\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-14.png 1049w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-14-300x181.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-14-1024x618.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-14-768x463.png 768w\" sizes=\"(max-width: 1049px) 100vw, 1049px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  If this runs without needing sudo, you&#8217;re set.\n<\/p>\n\n\n\n<h3 id=\"Step-6:-Configure-Firewalld-for-Container-Traffic\" class=\"wp-block-heading\"><a id=\"post-18146-_vdgk03e5fgmk\"><\/a><strong>Step 6: Configure Firewalld for Container Traffic<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Firewalld runs by default on most Rocky Linux installs, and Docker manipulates iptables directly to manage container networking, which can create friction if you&#8217;re not aware of it. If you&#8217;re exposing a container port to the outside world, open it explicitly:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  sudo firewall-cmd &#8211;permanent &#8211;add-port=8080\/tcp\n<\/p><p>\n  sudo firewall-cmd &#8211;reload\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1044\" height=\"231\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-15.png\" alt=\"configure firewall and open the port\" class=\"wp-image-18161\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-15.png 1044w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-15-300x66.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-15-1024x227.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-15-768x170.png 768w\" sizes=\"(max-width: 1044px) 100vw, 1044px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  For production environments running several containers, it&#8217;s worth setting up a dedicated firewalld zone for Docker traffic rather than opening ports one at a time, which gives you more precise control as your container count grows.\n<\/p>\n\n\n\n<h2 id=\"Using-Docker-on-Rocky-Linux-10\" class=\"wp-block-heading\"><a id=\"post-18146-_bihombufe9re\"><\/a><strong>Using Docker on Rocky Linux 10<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\n  To use Docker on Rocky Linux 10, you need to add the official repository, install the Docker Engine packages, and enable the system service. Since Rocky Linux 10 is fully compatible with Red Hat Enterprise Linux (RHEL) binaries, you can safely use the official RHEL or CentOS repository streams.\n<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a id=\"post-18146-_x1tixrt086ch\"><\/a><strong>Pulling the Official Rocky Linux Image<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  If you&#8217;re building containers that need a Rocky Linux base rather than something like Alpine or Debian, Docker Hub hosts an official Rocky Linux image maintained by the Rocky Enterprise Software Foundation itself:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  docker pull rockylinux\/rockylinux:10\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1044\" height=\"171\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-16.png\" alt=\"pull the rocky linuc docker image\" class=\"wp-image-18162\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-16.png 1044w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-16-300x49.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-16-1024x168.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-16-768x126.png 768w\" sizes=\"(max-width: 1044px) 100vw, 1044px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  If you&#8217;re still supporting an older project, the Rocky Linux 9 image works the same way; just swap the tag:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  docker pull rockylinux\/rockylinux:9\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><a id=\"post-18146-_krose3ca552s\"><\/a><strong>Running a Container Interactively<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  To explore the Rocky Linux image directly and poke around inside it:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  docker run -it rockylinux\/rockylinux:10 bash\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1048\" height=\"117\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-17.png\" alt=\"running rocky linux container\" class=\"wp-image-18163\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-17.png 1048w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-17-300x33.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-17-1024x114.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-17-768x86.png 768w\" sizes=\"(max-width: 1048px) 100vw, 1048px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a id=\"post-18146-_q5p67qbret9r\"><\/a><strong>Managing Containers<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  A few commands you&#8217;ll reach for constantly:\n<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><p>\n  docker ps -a                 # list all containers, including stopped ones\n<\/p><p>\n  docker images                 # list downloaded images\n<\/p><\/th><\/tr><\/thead><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1043\" height=\"571\" src=\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-18.png\" alt=\"list all containers\" class=\"wp-image-18164\" srcset=\"https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-18.png 1043w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-18-300x164.png 300w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-18-1024x561.png 1024w, https:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2026\/09\/word-image-18146-18-768x420.png 768w\" sizes=\"(max-width: 1043px) 100vw, 1043px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"Troubleshooting-Common-Issues\" class=\"wp-block-heading\"><a id=\"post-18146-_xz9d1dt0qkqk\"><\/a><strong>Troubleshooting Common Issues<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Docker service fails to start with an iptables or xt_addrtype error.<\/strong> This almost always means Step 5 was skipped. Install kernel-modules-extra and restart the service:<\/li>\n\n\n\n<li><strong>&#8220;Cannot connect to the Docker daemon&#8221; errors.<\/strong> Confirm the service is actually running with sudo systemctl status docker, and that your user was added to the docker group in Step 9.<\/li>\n\n\n\n<li><strong>Containers can&#8217;t reach the internet.<\/strong> Check that IP forwarding is enabled using sudo sysctl net.ipv4.ip_forward.<\/li>\n\n\n\n<li><strong>A container port isn&#8217;t reachable from outside the host.<\/strong> Check firewalld directly, since Docker&#8217;s own port mapping doesn&#8217;t automatically punch through sudo firewall-cmd &#8211;list-ports.<br>  <\/li>\n<\/ul>\n\n\n\n<h2 id=\"Conclusion\" class=\"wp-block-heading\"><a id=\"post-18146-_nxq2zpgwcnd\"><\/a><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Installing Docker on Rocky Linux 10 is a quick and easy process. To install and use Docker on Rocky Linux 10, add the official RHEL-compatible repository by running sudo dnf config-manager &#8211;add-repo https:\/\/download.docker.com\/linux\/rhel\/docker-ce.repo, install the engine and its plugins via sudo dnf -y install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin, and then start and enable the service using sudo systemctl &#8211;now enable docker, as outlined in the Rocky Linux Documentation. Finally, verify your installation and begin using the tool by running sudo docker run hello-world to test a sample container.\n<\/p>\n\n\n\n<h2 id=\"Frequently-Asked-Questions\" class=\"wp-block-heading\"><a id=\"post-18146-_o7x2eowj4yne\"><\/a><strong>Frequently Asked Questions<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Does Rocky Linux 10 come with Docker preinstalled?<\/strong> \n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  No. Rocky Linux 10 ships with Podman as its default container tool instead. You need to add Docker&#8217;s official repository and install it manually, which this guide walks through step by step.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Why does Docker fail to start after installing it on Rocky Linux 10?<\/strong>\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  This is almost always caused by a missing kernel module. Rocky Linux 10 minimal and cloud images don&#8217;t include kernel-modules-extra by default, and without it, Docker can&#8217;t load the module iptables needed to manage container networking. \n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Is there an official Rocky Linux image on Docker Hub?<\/strong> \n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Yes. The Rocky Enterprise Software Foundation maintains an official image at rockylinux\/rockylinux on Docker Hub, with tags available for both Rocky Linux 10 and the still widely used Rocky Linux 9 image, making it easy to pin your base image to whichever version your project targets.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Can I run Docker and Podman side by side on Rocky Linux 10?<\/strong> \n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Technically yes, but it&#8217;s not recommended. Both tools can conflict over the same container runtime components, and most guides, including this one, recommend removing Podman and its related packages before installing Docker to avoid unpredictable behavior.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. How do I run Docker commands without typing sudo every time on Rocky Linux 10?<\/strong> Add your user account to the docker group with sudo usermod -aG docker $USER, then either log out and back in or run newgrp docker to apply the change immediately. This lets your user run Docker commands directly without elevated privileges for every single command.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div> \n","protected":false},"excerpt":{"rendered":"<p>Rocky Linux 10 ships with Podman as its default container tool, not Docker, which catches a lot of people off guard the first time they try dnf install docker and get nowhere. This guide covers the full end-to-end process: adding Docker&#8217;s official repository, installing Docker Engine and Compose, fixing the one gotcha that trips up [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":18175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[1103,227,676,1095],"class_list":["post-18146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-container","tag-docker","tag-podman","tag-rocky-linux-10"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Install and Use Docker on Rocky Linux 10: A Step-by-Step Guide - Greenwebpage Community<\/title>\n<meta name=\"description\" content=\"This guide covers the full end-to-end process: adding Docker&#039;s official repository, installing Docker Engine and Compose.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/greenwebpage.com\/community\/how-to-install-and-use-docker-on-rocky-linux-10\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Install and Use Docker on Rocky Linux 10: A Step-by-Step Guide - 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