Docs: Update Jetstream install instructions

docs/install/jetstream.md

@@ -10,8 +10,8 @@ users and a user environment with packages you want installed running on
 
 ## Prerequisites
 
-1. A Jetstream account with an XSEDE allocation; for more information,
-   see the [Jetstream Allocations help page](http://wiki.jetstream-cloud.org/Jetstream+Allocations).
+1. A Jetstream account with an ACCESS allocation; for more information,
+   see the [Jetstream Allocations help page](https://docs.jetstream-cloud.org/alloc/overview/).
 
 ## Step 1: Installing The Littlest JupyterHub
 
@@ -20,48 +20,37 @@ Let's create the server on which we can run JupyterHub.
 1.  Log in to [the Jetstream portal](https://use.jetstream-cloud.org/). You need an allocation
     to launch instances.
 
-2.  Select the **Launch New Instance** option to get going.
+2.  Select the **Create** option, and then **Instance** to get going.
 
     ```{image} ../images/providers/jetstream/launch-instance-first-button.png
-    :alt: Launch new instance button with description.
+    :alt: Create new instance button.
     ```
 
     This takes you to a page with a list of base images you can choose for your
     server.
 
-3.  Under **Image Search**, search for **Ubuntu 22.04**, and select the
-    **Ubuntu 22.04 Devel and Docker** image.
+3.  Under **Choose an Instance Source**, select **Ubuntu 24.04 (latest)** image.
 
     ```{image} ../images/providers/jetstream/select-image.png
-    :alt: Select Ubuntu 22.04 x64 image from image list
+    :alt: Select Ubuntu 24.04 (latest) from image list
     ```
 
-4.  Once selected, you will see more information about this image. Click the
-    **Launch** button on the top right.
-
-    ```{image} ../images/providers/jetstream/launch-instance-second-button.png
-    :alt: Launch selected image with Launch button on top right
-    ```
-
-5.  A dialog titled **Launch an Instance / Basic Options** pops up, with various
+4.  A page titled **Create Instance** loads, with various
     options for configuring your instance.
 
     ```{image} ../images/providers/jetstream/launch-instance-dialog.png
     :alt: Launch an Instance / Basic Options dialog box
     ```
 
-    1. Give your server a descriptive **Instance Name**.
+    1. Give your server a descriptive **Name**.
 
-    2. Select an appropriate **Instance Size**. We suggest m1.medium or larger.
-       Make sure your instance has at least **1GB** of RAM.
+    2. Select an appropriate **Flavor**. We suggest m3.medium or larger.
+       You can resize your instance later if you need.
 
        Check out our guide on How To [](/howto/admin/resource-estimation) to help pick
        how much Memory, CPU & disk space your server needs.
 
-    3. If you have multiple allocations, make sure you are 'charging' this server
-       to the correct allocation.
-
-6.  Click the **Advanced Options** link in the bottom left of the popup. This
+5.  Click the **Advanced Options** link in the bottom left of the popup. This
     lets us configure what the server should do when it starts up. We will use
     this to install The Littlest JupyterHub.
 
@@ -71,14 +60,14 @@ Let's create the server on which we can run JupyterHub.
     :alt: Dialog box allowing you to add a new script.
     ```
 
-7.  Click the **Create New Script** button. This will open up another dialog
+6.  Click the **Create New Script** button. This will open up another dialog
     box!
 
     ```{image} ../images/providers/jetstream/create-script-dialog.png
     :alt: Launch an Instance / Advanced Options dialog box
     ```
 
-8.  Under **Input Type**, select **Raw Text**. This should make a text box titled
+7.  Under **Input Type**, select **Raw Text**. This should make a text box titled
     **Raw Text** visible on the right side of the dialog box.
     Copy the text below, and paste it into the **Raw Text** text box. Replace
     `<admin-user-name>` with the name of the first **admin user** for this
@@ -97,47 +86,47 @@ Let's create the server on which we can run JupyterHub.
     [](/topic/customizing-installer) documents other options that can be passed to the installer.
     :::
 
-9.  Under **Execution Strategy Type**, select **Run script on first boot**.
+8.  Under **Execution Strategy Type**, select **Run script on first boot**.
 
-10. Under **Deployment Type**, select **Wait for script to complete**.
+9.  Under **Deployment Type**, select **Wait for script to complete**.
 
-11. Click the **Save and Add Script** button on the bottom right. This should hide
+10. Click the **Save and Add Script** button on the bottom right. This should hide
     the dialog box.
 
-12. Click the **Continue to Launch** button on the bottom right. This should put you
+11. Click the **Continue to Launch** button on the bottom right. This should put you
     back in the **Launch an Instance / Basic Options** dialog box again.
 
-13. Click the **Launch Instance** button on the bottom right. This should turn it
+12. Click the **Launch Instance** button on the bottom right. This should turn it
     into a spinner, and your server is getting created!
 
     ```{image} ../images/providers/jetstream/launching-spinner.png
     :alt: Launch button turns into a spinner
     ```
 
-14. You'll now be shown a dashboard with all your servers and their states. The
+13. You'll now be shown a dashboard with all your servers and their states. The
     server you just launched will progress through various stages of set up,
     and you can see the progress here.
 
     ```{image} ../images/providers/jetstream/deployment-in-progress.png
     :alt: Instances dashboard showing deployment in progress.
     ```
 
-15. It will take about ten minutes for your server to come up. The status will
+14. It will take about ten minutes for your server to come up. The status will
     say **Active** and the progress bar will be a solid green. At this point,
     your JupyterHub is ready for use!
 
-16. Copy the **IP Address** of your server, and try accessing it from a web
+15. Copy the **IP Address** of your server, and try accessing it from a web
     browser. It should give you a JupyterHub login page.
 
     ```{image} ../images/first-login.png
     :alt: JupyterHub log-in page
     ```
 
-17. Login using the **admin user name** you used in step 8, and a password. Use a
+16. Login using the **admin user name** you used in step 8, and a password. Use a
     strong password & note it down somewhere, since this will be the password for
     the admin user account from now on.
 
-18. Congratulations, you have a running working JupyterHub!
+17. Congratulations, you have a running working JupyterHub!
 
 ## Step 2: Adding more users