fix: check for inotify limits on linux for quickstart

scripts/quick-start.sh

@@ -119,6 +119,20 @@ verify_prerequisites() {
         success_mark
     fi
 
+    if [[ $(uname) == "Linux" ]]; then
+        log -n "Confirming Linux inotify limits are sufficient..."
+        [ $(sysctl -n fs.inotify.max_user_watches) -ge 524288 ]
+        max_user_watches=$?
+        [ $(sysctl -n fs.inotify.max_user_instances) -ge 512 ]
+        max_user_instances=$?
+        if ! [ $((max_user_watches + max_user_instances)) -eq 0 ]; then
+            error "Kind requires higher limits, please see: https://kind.sigs.k8s.io/docs/user/known-issues/#pod-errors-due-to-too-many-open-files"
+            exit_code=1
+        else
+            success_mark
+        fi
+    fi
+
     if [[ exit_code -gt 0 ]]; then
         log "\nPlease confirm you have the above prerequisites before re-running this script"
         exit $((exit_code))