engine/install: debian.md drop shell prompt character from code blocks

Drop shell prompt character dollar-sign in favor of indent for command output

Author: eshattow

content/manuals/engine/install/debian.md

@@ -71,7 +71,7 @@ conflicts with the versions bundled with Docker Engine.
 Run the following command to uninstall all conflicting packages:
 
 ```console
-$ sudo apt remove docker.io docker-doc docker-compose podman-docker containerd runc
+sudo apt remove docker.io docker-doc docker-compose podman-docker containerd runc
 ```
 
 `apt` might report that you have none of these packages installed.
@@ -117,9 +117,10 @@ Docker from the repository.
 
     # Add the repository to Apt sources:
     echo \
-        "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] {{% param "download-url-base" %}} \
-        $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
-        sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+    "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] {{% param "download-url-base" %}} \
+    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+    sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
     sudo apt update
 
     ```
@@ -145,7 +146,7 @@ Docker from the repository.
     To install the latest version, run:
 
     ```console
-    $ sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+    sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
     ```
 
     {{< /tab >}}
@@ -155,18 +156,18 @@ Docker from the repository.
     available versions in the repository:
 
     ```console
-    $ apt list --all-versions docker-ce
+    apt list --all-versions docker-ce
 
-    docker-ce/bookworm 5:{{% param "docker_ce_version" %}}-1~debian.13~bookworm <arch>
-    docker-ce/bookworm 5:{{% param "docker_ce_version_prev" %}}-1~debian.13~bookworm <arch>
-    ...
+        docker-ce/bookworm 5:{{% param "docker_ce_version" %}}-1~debian.13~bookworm <arch>
+        docker-ce/bookworm 5:{{% param "docker_ce_version_prev" %}}-1~debian.13~bookworm <arch>
+        ...
     ```
 
     Select the desired version and install:
 
     ```console
-    $ VERSION_STRING=5:{{% param "docker_ce_version" %}}-1~debian.12~bookworm
-    $ sudo apt install docker-ce=$VERSION_STRING docker-ce-cli=$VERSION_STRING containerd.io docker-buildx-plugin docker-compose-plugin
+    VERSION_STRING=5:{{% param "docker_ce_version" %}}-1~debian.12~bookworm
+    sudo apt install docker-ce=$VERSION_STRING docker-ce-cli=$VERSION_STRING containerd.io docker-buildx-plugin docker-compose-plugin
     ```
 
     {{< /tab >}}
@@ -178,19 +179,19 @@ Docker from the repository.
     > Docker is running, use:
     > 
     > ```console
-    > $ sudo systemctl status docker
+    > sudo systemctl status docker
     > ```
     >
     > Some systems may have this behavior disabled and will require a manual start:
     >
     > ```console
-    > $ sudo systemctl start docker
+    > sudo systemctl start docker
     > ```
 
 3.  Verify that the installation is successful by running the `hello-world` image:
 
     ```console
-    $ sudo docker run hello-world
+    sudo docker run hello-world
     ```
 
     This command downloads a test image and runs it in a container. When the
@@ -233,11 +234,11 @@ download a new file each time you want to upgrade Docker Engine.
     where you downloaded the Docker packages.
 
     ```console
-    $ sudo dpkg -i ./containerd.io_<version>_<arch>.deb \
-        ./docker-ce_<version>_<arch>.deb \
-        ./docker-ce-cli_<version>_<arch>.deb \
-        ./docker-buildx-plugin_<version>_<arch>.deb \
-        ./docker-compose-plugin_<version>_<arch>.deb
+    sudo dpkg -i ./containerd.io_<version>_<arch>.deb \
+    ./docker-ce_<version>_<arch>.deb \
+    ./docker-ce-cli_<version>_<arch>.deb \
+    ./docker-buildx-plugin_<version>_<arch>.deb \
+    ./docker-compose-plugin_<version>_<arch>.deb
     ```
 
     > [!NOTE]
@@ -246,19 +247,19 @@ download a new file each time you want to upgrade Docker Engine.
     > Docker is running, use:
     > 
     > ```console
-    > $ sudo systemctl status docker
+    > sudo systemctl status docker
     > ```
     >
     > Some systems may have this behavior disabled and will require a manual start:
     >
     > ```console
-    > $ sudo systemctl start docker
+    > sudo systemctl start docker
     > ```
 
 6.  Verify that the installation is successful by running the `hello-world` image:
 
     ```console
-    $ sudo docker run hello-world
+    sudo docker run hello-world
     ```
 
     This command downloads a test image and runs it in a container. When the
@@ -280,22 +281,22 @@ To upgrade Docker Engine, download the newer package files and repeat the
 1.  Uninstall the Docker Engine, CLI, containerd, and Docker Compose packages:
 
     ```console
-    $ sudo apt purge docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
+    sudo apt purge docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
     ```
 
 2.  Images, containers, volumes, or custom configuration files on your host
     aren't automatically removed. To delete all images, containers, and volumes:
 
     ```console
-    $ sudo rm -rf /var/lib/docker
-    $ sudo rm -rf /var/lib/containerd
+    sudo rm -rf /var/lib/docker
+    sudo rm -rf /var/lib/containerd
     ```
 
 3.  Remove source list and keyrings
 
     ```console
-    $ sudo rm /etc/apt/sources.list.d/docker.list
-    $ sudo rm /etc/apt/keyrings/docker.asc
+    sudo rm /etc/apt/sources.list.d/docker.list
+    sudo rm /etc/apt/keyrings/docker.asc
     ```
 
 You have to delete any edited configuration files manually.