diff --git a/app.py b/app.py
index 71be63b..4c87493 100644
--- a/app.py
+++ b/app.py
@@ -108,12 +108,10 @@ def maskToken(token: str | None) -> str:
     return token[:4] + "*" * (len(token) - 8) + token[-4:]
 
 def commandCandidates(name: str):
-    # 1) konfiguracja ma priorytet
     sect = f"service:{name}"
     if cfg.has_section(sect) and cfg.has_option(sect, "command"):
         return [cfg.get(sect, "command")]
 
-    # 2) auto-kandydaci zależnie od dostępności
     cmds = []
     if shutil.which("systemctl"):
         cmds += [f"systemctl reload {name}", f"systemctl restart {name}"]
@@ -121,10 +119,17 @@ def commandCandidates(name: str):
         cmds += [f"service {name} reload", f"service {name} restart"]
     if shutil.which("rc-service"):
         cmds += [f"rc-service {name} reload", f"rc-service {name} restart"]
-    # 3) ostatnia deska ratunku: HUP
     if shutil.which("pkill"):
         cmds += [f"pkill -HUP {name}"]
-    return cmds or [f"pkill -HUP {name}"]
+
+    pid_file = cfg.get(sect, "pid_file", fallback=None)
+    if pid_file and os.path.isfile(pid_file) and shutil.which("kill"):
+        cmds += [f"kill -HUP $(cat {pid_file})"]
+    if shutil.which("pgrep") and shutil.which("kill"):
+        cmds += [f"kill -HUP $(pgrep -o {name})"]
+
+    return cmds or []
+
 
 def reloadService(name: str):
     for cmd in commandCandidates(name):
@@ -208,10 +213,12 @@ def writeHostsAtomic(new_content: str, path: str = "/etc/hosts", backup_dir: str
     # kopia zapasowa
     if backup_dir:
         os.makedirs(backup_dir, exist_ok=True)
-        ts = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
-        backup_path = os.path.join(backup_dir, f"hosts.{ts}.bak")
-        shutil.copy2(path, backup_path)
-        info["backup"] = backup_path
+        try:
+            shutil.copy2(path, backup_path)
+            info["backup"] = backup_path
+        except Exception as e:
+            logger.warning(f"Backup nieudany: {e}")
+
 
     # zapis atomowy
     dir_name = os.path.dirname(path) or "."
diff --git a/config.example.ini b/config.example.ini
index d94b652..902811a 100644
--- a/config.example.ini
+++ b/config.example.ini
@@ -6,5 +6,8 @@ services = dnsmasq
 # opcjonalnie: globalny timeout (sekundy)
 reload_timeout = 5
 
+# jeżeli nie podasz command, kod spróbuje kolejno: systemctl/service/rc-service, pkill, kill -HUP z pidfile, pgrep
+pid_file = /run/dnsmasq/dnsmasq.pid
+
 [service:dnsmasq]
 command = pkill -HUP dnsmasq
\ No newline at end of file