added page - updating

README.md

@@ -57,6 +57,12 @@ On a native Linux host, skip steps 1 and 2 and go straight to [Setup Packages](h
 > Security is relaxed by default: the MariaDB root password is stored in plaintext in `config.yml`, and phpMyAdmin allows root login.
 > Never expose it to a network.
 
+## Updating
+
+Already have an installation?
+Run `git pull` in your clone and add any new aliases to `~/.bash_profile`.
+See [Updating](https://docs.dotkernel.org/development/v2/updating/) for the steps and a list of changes.
+
 ## Virtualhosts
 
 List the domains you want under the `virtualhosts` key in `wsl/config.yml`, then run:

docs/book/v2/faq.md

@@ -132,6 +132,8 @@ The aliases are the following:
 * `node20`: switch to Node.js 20
 * `node18`: switch to Node.js 18
 
+> If an alias is missing from an existing installation, see [Updating an existing installation](updating.md).
+
 After switching to a different Node.js version, test with the following command:
 
 ```shell

docs/book/v2/updating.md

@@ -0,0 +1,81 @@
+# Updating an existing installation
+
+## Summary
+
+Pull the latest changes of the `development` repository and apply any new shell aliases to your `~/.bash_profile`.
+Aliases such as `node24` are written to `~/.bash_profile` only when the environment is first provisioned, so an existing installation does not receive them automatically.
+
+## General procedure
+
+Follow these steps whenever a new release of this repository introduces changes that affect an installation you have already provisioned.
+
+Connect to your **AlmaLinux 10** distro, then go to the directory where you cloned the repository (by default `~/development`) and pull the latest changes:
+
+```shell
+cd ~/development
+git pull
+```
+
+Open the template that defines the shell aliases and compare it with your own `~/.bash_profile`:
+
+```shell
+cat wsl/roles/system/templates/bash_profile.j2
+```
+
+Open `~/.bash_profile` in an editor and add any alias that is missing from it:
+
+```shell
+nano ~/.bash_profile
+```
+
+Save the file, then log out and log back in (or run `source ~/.bash_profile`) so that the new aliases are loaded.
+
+> Only add what is new.
+> Do not replace the whole file, as it may contain your own customizations.
+
+## Changes
+
+### Node.js 24 by default
+
+Node.js 24 is now the default version, and the `node24` alias is available.
+To upgrade an existing installation:
+
+1. Go to your clone of the repository and pull the latest changes:
+
+    ```shell
+    cd ~/development
+    git pull
+    ```
+
+2. Open `~/.bash_profile`:
+
+    ```shell
+    nano ~/.bash_profile
+    ```
+
+3. Add the following line:
+
+    ```shell
+    alias node24="sudo dnf remove nodejs -y && curl -fsSL https://rpm.nodesource.com/setup_24.x | sudo bash - && sudo dnf install nodejs -y"
+    ```
+
+4. Save the file, then log out and log back in.
+5. Run the alias to switch to Node.js 24:
+
+    ```shell
+    node24
+    ```
+
+6. Check the installed version:
+
+    ```shell
+    node -v
+    ```
+
+    The output should look similar to the below:
+
+    ```terminaloutput
+    v24.13.0
+    ```
+
+For more on switching between Node.js versions, see the [FAQ](faq.md#how-do-i-switch-to-a-different-version-of-nodejs).

mkdocs.yml

@@ -15,6 +15,7 @@ nav:
           - Installation: v2/setup/installation.md
           - Setup Packages: v2/setup/setup-packages.md
       - Running on WSL 2: v2/running.md
+      - Updating: v2/updating.md
       - Virtualhosts:
           - Overview: v2/virtualhosts/overview.md
           - Create virtualhost: v2/virtualhosts/create-virtualhost.md