Add Linux instructions

Author: maxvp

src/content/docs/cloudflare-one/connections/connect-devices/user-side-certificates/automated-deployment.mdx

@@ -86,28 +86,31 @@ To access the installed certificate in Windows:
 
 The WARP client will also place the certificate in `%PROGRAMDATA%\Cloudflare\installed_cert.pem` for reference by scripts or tools.
 
-### Linux
+### Debian-based Linux distributions
 
-On Linux, the certificate is stored in `/usr/local/share/ca-certificates`. The default Cloudflare certificate name is `managed-warp.pem`.
+On Debian-based Linux distributions, the certificate is stored in `/usr/local/share/ca-certificates`. The default installed Cloudflare certificate name is `managed-warp.pem`. The WARP client will create a symbolic link named `managed-warp.crt` to use as its root certificate. If your system is not using `managed-warp.crt`, run the following commands to update the system store:
 
-If you cannot find the certificate, run the following commands to update the system store:
-
-1. Go to the system certificate store.
+1. Update your list of custom CA certificates.
 
    ```sh
-   cd /usr/local/share/ca-certificates
+   sudo update-ca-certificates
    ```
 
-2. Rename the certificate, changing the file extension to `.crt`.
+2. Go to the system certificate store.
 
    ```sh
-   sudo mv managed-warp.pem managed-warp.crt
+   cd /usr/local/share/ca-certificates
    ```
 
-3. Update your list of custom CA certificates.
+3. Verify your system has both the `managed-warp.pem` file and the `managed-warp.crt` symbolic link. For example:
 
    ```sh
-   sudo update-ca-certificates
+   ls -l
+   ```
+
+   ```sh output
+   lrwxrwxrwx 1 root root   49 Jan  3 21:46 managed-warp.crt -> /usr/local/share/ca-certificates/managed-warp.pem
+   -rw-r--r-- 1 root root 1139 Jan  3 21:46 managed-warp.pem
    ```
 
 The WARP client will also place the certificate in `/var/lib/cloudflare-warp/installed_cert.pem` for reference by scripts or tools.