exclude socket files

sbin/vol-backup

@@ -26,8 +26,9 @@ if [ -d "volumes" ]; then
   fi
 
   # Compress all volumes excerpt mysql and postgres
+  find . -type s -print > /tmp/sockets-to-exclude
   BACKUP=${PWD##*/}.tar.zst
-  tar --exclude='mysql' --exclude='postgres' --zstd -cf /tmp/$BACKUP -C volumes .
+  tar -X /tmp/sockets-to-exclude --exclude='mysql' --exclude='postgres' --zstd -cf /tmp/$BACKUP -C volumes .
 
   # Put it into the storage box (pubkey needed)
   STORAGE_BOX=u442569@u442569.your-storagebox.de
@@ -40,4 +41,5 @@ if [ -d "volumes" ]; then
     rm volumes/$DUMP_NAME
   fi
   rm /tmp/$BACKUP
+  rm /tmp/sockets-to-exclude
 fi