Make official install instructions use curl instead of wget

YOU GO CURL

Fixes #14650

Signed-off-by: Ankush Agarwal <ankushagarwal11@gmail.com>
(cherry picked from commit c76fef1791106ca60b7f913a895a77251b695c0a)

docs/installation/debian.md

@@ -96,7 +96,7 @@ which is officially supported by Docker.
 >command fails for the Docker repo during installation. To work around this,
 >add the key directly using the following:
 >
->       $ wget -qO- https://get.docker.com/gpg | sudo apt-key add -
+>       $ curl -sSL https://get.docker.com/gpg | sudo apt-key add -
 
 ### Uninstallation
 

docs/installation/ubuntulinux.md

@@ -111,18 +111,18 @@ install Docker using the following:
 
 1. Log into your Ubuntu installation as a user with `sudo` privileges.
 
-2. Verify that you have `wget` installed.
+2. Verify that you have `curl` installed.
 
-        $ which wget
+        $ which curl
 
-    If `wget` isn't installed, install it after updating your manager:
+    If `curl` isn't installed, install it after updating your manager:
 
         $ sudo apt-get update
-        $ sudo apt-get install wget
+        $ sudo apt-get install curl
 
 3. Get the latest Docker package.
 
-        $ wget -qO- https://get.docker.com/ | sh
+        $ curl -sSL https://get.docker.com/ | sh
 
     The system prompts you for your `sudo` password. Then, it downloads and
     installs Docker and its dependencies.
@@ -132,7 +132,7 @@ install Docker using the following:
 >command fails for the Docker repo during installation. To work around this,
 >add the key directly using the following:
 >
->       $ wget -qO- https://get.docker.com/gpg | sudo apt-key add -
+>       $ curl -sSL https://get.docker.com/gpg | sudo apt-key add -
 
 4. Verify `docker` is installed correctly.
 
@@ -344,9 +344,9 @@ to start the docker daemon on boot
 
 ## Upgrade Docker
 
-To install the latest version of Docker with `wget`:
+To install the latest version of Docker with `curl`:
 
-    $ wget -qO- https://get.docker.com/ | sh
+    $ curl -sSL https://get.docker.com/ | sh
 
 ## Uninstallation
 

experimental/README.md

@@ -13,18 +13,18 @@ please feel free to provide any feedback on these features you wish.
 
 Unlike the regular Docker binary, the experimental channels is built and updated nightly on TO.BE.ANNOUNCED. From one day to the next, new features may appear, while existing experimental features may be refined or entirely removed.
 
-1. Verify that you have `wget` installed.
+1. Verify that you have `curl` installed.
 
-        $ which wget
+        $ which curl
 
-    If `wget` isn't installed, install it after updating your manager:
+    If `curl` isn't installed, install it after updating your manager:
 
         $ sudo apt-get update
-        $ sudo apt-get install wget
+        $ sudo apt-get install curl
 
 2. Get the latest Docker package.
 
-        $ wget -qO- https://experimental.docker.com/ | sh
+        $ curl -sSL https://experimental.docker.com/ | sh
 
     The system prompts you for your `sudo` password. Then, it downloads and
     installs Docker and its dependencies.
@@ -34,7 +34,7 @@ Unlike the regular Docker binary, the experimental channels is built and updated
 	>command fails for the Docker repo during installation. To work around this,
 	>add the key directly using the following:
 	>
-	>       $ wget -qO- https://experimental.docker.com/gpg | sudo apt-key add -
+	>       $ curl -sSL https://experimental.docker.com/gpg | sudo apt-key add -
 
 3. Verify `docker` is installed correctly.