fix absolute refs

myst seems to create different refs than sphinx

docs/howto/admin/admin-users.md

@@ -17,7 +17,7 @@ so attackers can not easily gain control of the system.
 :::{important}
 You should make sure an admin user is present when you **install** TLJH
 the very first time. It is recommended that you also set a password
-for the admin at this step. The {ref}`--admin <topic/customizing-installer/admin>`
+for the admin at this step. The [`--admin`] (/topic/customizing-installer/admin)
 flag passed to the installer does this. If you had forgotten to do so, the
 easiest way to fix this is to run the installer again.
 :::

docs/howto/admin/https.md

@@ -8,9 +8,9 @@ HTTPS encrypts traffic so that usernames, passwords and your data are
 communicated securely. sensitive bits of information are communicated
 securely. The Littlest JupyterHub supports automatically configuring HTTPS
 via [Let's Encrypt](https://letsencrypt.org), or setting it up
-{ref}`manually <howto/admin/https/manual>` with your own TLS key and
+[manually](#howto-admin-https-manual) with your own TLS key and
 certificate. Unless you have a strong reason to use the manual method,
-you should use the {ref}`Let's Encrypt <howto/admin/https/letsencrypt>`
+you should use the [Let's Encrypt](#howto-admin-https-letsencrypt)
 method.
 
 :::{note}
@@ -35,7 +35,7 @@ similar to this:
 If the machine you are running on is not reachable from the internet -
 for example, if it is a machine internal to your organization that
 is cut off from the internet - you can not use this method. Please
-set up a DNS entry and HTTPS {ref}`manually <howto/admin/https/manual>`.
+set up a DNS entry and HTTPS [manually](#howto-admin-https-manual).
 :::
 
 To enable HTTPS via letsencrypt:
@@ -115,4 +115,4 @@ and now access your Hub securely at <https://yourhub.yourdomain.edu>.
 
 ## Troubleshooting
 
-If you're having trouble with HTTPS, looking at the {ref}`traefik proxy logs <troubleshooting/logs/traefik>` might help.
+If you're having trouble with HTTPS, looking at the [traefik proxy logs](troubleshooting-logs-traefik) might help.

docs/howto/admin/resize.md

@@ -11,7 +11,7 @@ the cloud provider of your choice.
 
 Currently there are instructions to resize your resources on the following providers:
 
-- {ref}`Digital Ocean <howto/providers/digitalocean/resize>`.
+- [Digital Ocean](howto-providers-digitalocean-resize)
 
 Once resources have been reallocated, you must tell TLJH to make use of these resources,
 and verify that the resources have become available.
@@ -20,7 +20,7 @@ and verify that the resources have become available.
 
 1. Once you have resized your server, tell the JupyterHub to make use of
    these new resources. To accomplish this, follow the instructions in
-   {ref}`topic/tljh-config` to set new memory or CPU limits and reload the hub. This can be completed
+   [](/topic/tljh-config) to set new memory or CPU limits and reload the hub. This can be completed
    using the terminal in the JupyterHub (or via SSH-ing into your VM and using this terminal).
 
 2. TLJH configuration options can be verified by viewing the tljh-config output.

docs/howto/admin/resource-estimation.md

@@ -36,7 +36,7 @@ over time. We generally recommend between 40-60% of your total class size to sta
 
 Depending on what kind of work your users are doing, they will use different amounts
 of memory. The easiest way to determine this is to run through a typical user
-workflow yourself, and measure how much memory is used. You can use {ref}`howto/admin/nbresuse`
+workflow yourself, and measure how much memory is used. You can use [](/howto/admin/nbresuse)
 to determine how much memory your user is using.
 
 A good rule of thumb is to take the maximum amount of memory you used during