🐞 Fix some ambiguous markdown link references

I thought that the links were local to each slide, but...
apparently not. Whoops.

slides/k8s/bootstrap.md

@@ -202,7 +202,9 @@ class: extra-details
 
 - These are JWS signatures using HMAC-SHA256
 
-  (see [here](https://kubernetes.io/docs/reference/access-authn-authz/bootstrap-tokens/#configmap-signing) for more details)
+  (see [the reference documentation][configmap-signing] for more details)
+
+[configmap-signing]: https://kubernetes.io/docs/reference/access-authn-authz/bootstrap-tokens/#configmap-signing
 
 ---
 

slides/k8s/cluster-autoscaler.md

@@ -48,7 +48,7 @@
 
 - We must run nodes on a supported infrastructure
 
-- See [here] for a non-exhaustive list of supported providers
+- Check the [GitHub repo][autoscaler-providers] for a non-exhaustive list of supported providers
 
 - Sometimes, the cluster autoscaler is installed automatically
 
@@ -58,7 +58,7 @@
 
   (which is often non-trivial and highly provider-specific)
 
-[here]: https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler/cloudprovider
+[autoscaler-providers]: https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler/cloudprovider
 
 ---
 

slides/k8s/cluster-sizing.md

@@ -138,7 +138,7 @@ class: extra-details
 
 - The Cluster Autoscaler only supports a few cloud infrastructures
 
-  (see [here](https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler/cloudprovider) for a list)
+  (see the [kubernetes/autoscaler repo][kubernetes-autoscaler-repo] for a list)
 
 - The Cluster Autoscaler cannot scale down nodes that have pods using:
 
@@ -148,6 +148,8 @@ class: extra-details
 
   - a restrictive PodDisruptionBudget
 
+[kubernetes-autoscaler-repo]: https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler/cloudprovider
+
 ---
 
 ## Other way to do capacity planning

slides/k8s/cni.md

@@ -24,11 +24,11 @@
 
 - Interface parameters (MTU, sysctls) could be tweaked by the `tuning` plugin
 
-The reference plugins are available [here].
+The reference plugins are available [here][cni-reference-plugins].
 
 Look in each plugin's directory for its documentation.
 
-[here]: https://github.com/containernetworking/plugins/tree/master/plugins
+[cni-reference-plugins]: https://github.com/containernetworking/plugins/tree/master/plugins
 
 ---
 

slides/k8s/kubercoins.md

@@ -170,9 +170,9 @@ def hash_bytes(data):
                       headers={"Content-Type": "application/octet-stream"})
 ```
 
-(Full source code available [here](
-https://@@GITREPO@@/blob/8279a3bce9398f7c1a53bdd95187c53eda4e6435/dockercoins/worker/worker.py#L17
-))
+(Feel free to check the [full source code][dockercoins-worker-code] of the worker!)
+
+[dockercoins-worker-code]: https://@@GITREPO@@/blob/8279a3bce9398f7c1a53bdd95187c53eda4e6435/dockercoins/worker/worker.py#L17
 
 ---
 

slides/k8s/logs-cli.md

@@ -69,12 +69,14 @@ Exactly what we need!
 
   (no dependencies, extra libraries to install, etc)
 
-- Binary releases are available [here](https://github.com/stern/stern/releases) on GitHub
+- Binary releases are available [on GitHub][stern-releases]
 
 - Stern is also available through most package managers
 
   (e.g. on macOS, we can `brew install stern` or `sudo port install stern`)
 
+[stern-releases]: https://github.com/stern/stern/releases
+
 ---
 
 ## Using Stern

slides/k8s/multinode.md

@@ -256,9 +256,9 @@ class: extra-details
 
   - or stored in the node's `spec.podCIDR` field
 
-.footnote[See [here] for more details about this `kubenet` plugin.]
+.footnote[See [here][kubenet-plugin] for more details about this `kubenet` plugin.]
 
-[here]: https://kubernetes.io/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins/#kubenet
+[kubenet-plugin]: https://kubernetes.io/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins/#kubenet
 
 ---