pxe: add ref to dhcp proxy

pxe/install-pxe.sh

@@ -57,6 +57,7 @@ install_tftp() {
         # from https://wiki.debian.org/PXEBootInstall#Simple_way_-_using_Dnsmasq
         cat > /etc/dnsmasq.d/pxe-tftp <<END
 port=0
+# info: https://wiki.archlinux.org/title/Dnsmasq#Proxy_DHCP
 dhcp-range=${nfs_allowed_lan%/*},proxy
 dhcp-boot=pxelinux.0
 pxe-service=x86PC,"Network Boot",pxelinux

workbench-script.py

@@ -276,7 +276,7 @@ def save_snapshot_in_disk(snapshot, path):
                 f.write(json.dumps(snapshot))
                 print(f"workbench: INFO: Snapshot written in fallback path '{fallback_filename}'")
         except Exception as e:
-            print(f"workbench: ERROR: Failed to write in fallback path: {fallback_error}. Could not save snapshot locally.")
+            print(f"workbench: ERROR: Failed to write in fallback path: {fallback_filename}. Could not save snapshot locally.")
 
 # TODO sanitize url, if url is like this, it fails
 #   url = 'http://127.0.0.1:8000/api/snapshot/'