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--- docker:install_docker [2020/04/15 21:34] – created peter
+++ docker:install_docker [2025/05/20 15:43] (current) – peter
@@ Line 35: / Line 35: @@
 <code bash>
-apt install -y docker.io
+sudo apt install -y docker.io
 </code>
@@ Line 42: / Line 42: @@
 ----
-Then you can start Docker with the systemctl command:
+===== Add your user to the docker group =====
+<code bash>
+sudo usermod -aG docker $USER
+</code>
+<WRAP info>
+**NOTE:**  This allows docker to be run without using sudo.
+To enable this functionality, log out and log back in; or run: <code bash>
+newgrp docker
+</code>
+</WRAP>
+----
+===== Verify that you can run docker commands without sudo =====
+<code bash>
+docker run hello-world
+</code>
+<WRAP info>
+**NOTE:**  If an error is seen such as **docker: Got permission denied while trying to connect to the Docker daemon socket**, then:
+<code bash>
+sudo chmod 666 /var/run/docker.sock
+</code>
+</WRAP>
+----
+===== Start Docker =====
 <code bash>
@@ Line 50: / Line 85: @@
 ----
-Enable docker to run at system boot:
+===== Enable docker to run at system boot =====
 <code bash>
@@ Line 58: / Line 93: @@
 ----
-You might also want to check the docker version:
+===== Check the docker version =====
 <code bash>
@@ Line 66: / Line 101: @@
 Show the currently installed Docker version.
-Now docker is installed in your system.  You can start making a container by downloading a Docker Image from the Docker Registry.
+----
+<WRAP info>
+**NOTE:**  docker is now installed.
+  * A container can now be started by downloading a Docker Image from the Docker Registry.
+</WRAP>