diff --git a/YakPanel-server/backend/app/api/__pycache__/soft.cpython-314.pyc b/YakPanel-server/backend/app/api/__pycache__/soft.cpython-314.pyc
index 876c2fe9..d6ba5970 100644
Binary files a/YakPanel-server/backend/app/api/__pycache__/soft.cpython-314.pyc and b/YakPanel-server/backend/app/api/__pycache__/soft.cpython-314.pyc differ
diff --git a/YakPanel-server/backend/app/api/soft.py b/YakPanel-server/backend/app/api/soft.py
index b68fd989..7f2b3e45 100644
--- a/YakPanel-server/backend/app/api/soft.py
+++ b/YakPanel-server/backend/app/api/soft.py
@@ -10,13 +10,13 @@ from typing import Literal
 
 from fastapi import APIRouter, Depends, HTTPException
 
-from app.core.utils import exec_shell_sync
+from app.core.utils import environment_with_system_path, exec_shell_sync
 from app.api.auth import get_current_user
 from app.models.user import User
 
 router = APIRouter(prefix="/soft", tags=["soft"])
 
-PmKind = Literal["apt", "dnf", "yum", "apk", "none"]
+PmKind = Literal["apt", "dnf", "yum", "microdnf", "apk", "none"]
 
 # Per distro: apt = Debian/Ubuntu, rpm = RHEL/Fedora/Alma/Rocky, apk = Alpine (best-effort)
 SOFTWARE_LIST: list[dict[str, str]] = [
@@ -135,14 +135,30 @@ SOFTWARE_LIST: list[dict[str, str]] = [
 ]
 
 
+def _resolve_command(name: str) -> str | None:
+    """Locate an executable; systemd often provides a venv-only PATH, so scan standard dirs too."""
+    std = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+    merged = f"{os.environ.get('PATH', '').strip()}:{std}".strip(":")
+    found = shutil.which(name, path=merged)
+    if found:
+        return found
+    for d in ("/usr/bin", "/usr/sbin", "/bin", "/sbin", "/usr/local/bin", "/usr/local/sbin"):
+        cand = os.path.join(d, name)
+        if os.path.isfile(cand) and os.access(cand, os.X_OK):
+            return cand
+    return None
+
+
 def _detect_package_manager() -> PmKind:
-    if shutil.which("apt-get"):
+    if _resolve_command("apt-get"):
         return "apt"
-    if shutil.which("dnf"):
+    if _resolve_command("dnf"):
         return "dnf"
-    if shutil.which("yum"):
+    if _resolve_command("yum"):
         return "yum"
-    if shutil.which("apk"):
+    if _resolve_command("microdnf"):
+        return "microdnf"
+    if _resolve_command("apk"):
         return "apk"
     return "none"
 
@@ -150,7 +166,7 @@ def _detect_package_manager() -> PmKind:
 def _package_name(entry: dict[str, str], pm: PmKind) -> str:
     if pm == "apt":
         return entry["apt"]
-    if pm in ("dnf", "yum"):
+    if pm in ("dnf", "yum", "microdnf"):
         return entry["rpm"]
     if pm == "apk":
         return entry.get("apk") or entry["apt"]
@@ -158,20 +174,21 @@ def _package_name(entry: dict[str, str], pm: PmKind) -> str:
 
 
 def _apt_env() -> dict[str, str]:
-    env = os.environ.copy()
+    env = environment_with_system_path()
     env.setdefault("DEBIAN_FRONTEND", "noninteractive")
     env.setdefault("APT_LISTCHANGES_FRONTEND", "none")
     return env
 
 
 def _run_shell(script: str, timeout: int, env: dict[str, str] | None = None) -> None:
+    run_env = environment_with_system_path(env)
     result = subprocess.run(
         script,
         shell=True,
         capture_output=True,
         text=True,
         timeout=timeout,
-        env=env if env is not None else os.environ.copy(),
+        env=run_env,
     )
     if result.returncode == 0:
         return
@@ -192,11 +209,13 @@ def _check_installed_apt(pkg: str) -> tuple[bool, str]:
 
 def _check_installed_rpm(pkg: str) -> tuple[bool, str]:
     try:
+        rpm_bin = _resolve_command("rpm") or "rpm"
         result = subprocess.run(
-            ["rpm", "-q", "--queryformat", "%{EVR}", pkg],
+            [rpm_bin, "-q", "--queryformat", "%{EVR}", pkg],
             capture_output=True,
             text=True,
             timeout=5,
+            env=environment_with_system_path(),
         )
         if result.returncode != 0:
             return False, ""
@@ -208,11 +227,13 @@ def _check_installed_rpm(pkg: str) -> tuple[bool, str]:
 
 def _check_installed_apk(pkg: str) -> tuple[bool, str]:
     try:
+        apk_bin = _resolve_command("apk") or "apk"
         r = subprocess.run(
-            ["apk", "info", "-e", pkg],
+            [apk_bin, "info", "-e", pkg],
             capture_output=True,
             text=True,
             timeout=5,
+            env=environment_with_system_path(),
         )
         if r.returncode != 0:
             return False, ""
@@ -228,7 +249,7 @@ def _check_installed_apk(pkg: str) -> tuple[bool, str]:
 def _check_installed(pm: PmKind, pkg: str) -> tuple[bool, str]:
     if pm == "apt":
         return _check_installed_apt(pkg)
-    if pm in ("dnf", "yum"):
+    if pm in ("dnf", "yum", "microdnf"):
         return _check_installed_rpm(pkg)
     if pm == "apk":
         return _check_installed_apk(pkg)
@@ -238,32 +259,60 @@ def _check_installed(pm: PmKind, pkg: str) -> tuple[bool, str]:
 def _install_script(pm: PmKind, pkg: str) -> tuple[str, int, dict[str, str] | None]:
     q = shlex.quote(pkg)
     if pm == "apt":
-        return f"apt-get update -qq && apt-get install -y {q}", 600, _apt_env()
+        ag = _resolve_command("apt-get")
+        if not ag:
+            raise HTTPException(status_code=501, detail="apt-get not found on this system.")
+        exe = shlex.quote(ag)
+        return f"{exe} update -qq && {exe} install -y {q}", 600, _apt_env()
     if pm == "dnf":
-        return f"dnf install -y {q}", 600, None
+        exe = shlex.quote(x) if (x := _resolve_command("dnf")) else None
+        if exe:
+            return f"{exe} install -y {q}", 600, None
     if pm == "yum":
-        return f"yum install -y {q}", 600, None
+        exe = shlex.quote(x) if (x := _resolve_command("yum")) else None
+        if exe:
+            return f"{exe} install -y {q}", 600, None
+    if pm == "microdnf":
+        exe = shlex.quote(x) if (x := _resolve_command("microdnf")) else None
+        if exe:
+            return f"{exe} install -y {q}", 600, None
     if pm == "apk":
-        return f"apk update && apk add {q}", 600, None
+        exe = shlex.quote(x) if (x := _resolve_command("apk")) else None
+        if exe:
+            return f"{exe} update && {exe} add {q}", 600, None
     raise HTTPException(
         status_code=501,
-        detail="No supported package manager found (need apt-get, dnf, yum, or apk).",
+        detail="No supported package manager found (need apt-get, dnf, yum, microdnf, or apk).",
     )
 
 
 def _uninstall_script(pm: PmKind, pkg: str) -> tuple[str, int, dict[str, str] | None]:
     q = shlex.quote(pkg)
     if pm == "apt":
-        return f"apt-get remove -y {q}", 180, _apt_env()
+        ag = _resolve_command("apt-get")
+        if ag:
+            exe = shlex.quote(ag)
+            return f"{exe} remove -y {q}", 180, _apt_env()
+        raise HTTPException(status_code=501, detail="apt-get not found on this system.")
     if pm == "dnf":
-        return f"dnf remove -y {q}", 180, None
+        exe = shlex.quote(x) if (x := _resolve_command("dnf")) else None
+        if exe:
+            return f"{exe} remove -y {q}", 180, None
     if pm == "yum":
-        return f"yum remove -y {q}", 180, None
+        exe = shlex.quote(x) if (x := _resolve_command("yum")) else None
+        if exe:
+            return f"{exe} remove -y {q}", 180, None
+    if pm == "microdnf":
+        exe = shlex.quote(x) if (x := _resolve_command("microdnf")) else None
+        if exe:
+            return f"{exe} remove -y {q}", 180, None
     if pm == "apk":
-        return f"apk del {q}", 120, None
+        exe = shlex.quote(x) if (x := _resolve_command("apk")) else None
+        if exe:
+            return f"{exe} del {q}", 120, None
     raise HTTPException(
         status_code=501,
-        detail="No supported package manager found (need apt-get, dnf, yum, or apk).",
+        detail="No supported package manager found (need apt-get, dnf, yum, microdnf, or apk).",
     )
 
 
diff --git a/YakPanel-server/backend/app/core/__pycache__/utils.cpython-314.pyc b/YakPanel-server/backend/app/core/__pycache__/utils.cpython-314.pyc
index 6d3b851b..ee5fcc94 100644
Binary files a/YakPanel-server/backend/app/core/__pycache__/utils.cpython-314.pyc and b/YakPanel-server/backend/app/core/__pycache__/utils.cpython-314.pyc differ
diff --git a/YakPanel-server/backend/app/core/utils.py b/YakPanel-server/backend/app/core/utils.py
index ab006636..dc92b065 100644
--- a/YakPanel-server/backend/app/core/utils.py
+++ b/YakPanel-server/backend/app/core/utils.py
@@ -9,6 +9,24 @@ from typing import Tuple, Optional
 
 regex_safe_path = re.compile(r"^[\w\s./\-]*$")
 
+# systemd often sets PATH to venv-only; subprocess shells then miss /usr/bin (dnf, apt-get, …).
+_SYSTEM_PATH = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+
+
+def ensure_system_path(env: dict[str, str]) -> None:
+    """Append standard locations to PATH if /usr/bin is missing."""
+    cur = (env.get("PATH") or "").strip()
+    if "/usr/bin" in cur:
+        return
+    env["PATH"] = f"{cur}:{_SYSTEM_PATH}" if cur else _SYSTEM_PATH
+
+
+def environment_with_system_path(base: Optional[dict[str, str]] = None) -> dict[str, str]:
+    """Copy of process env (or base) with PATH guaranteed to include system bin dirs."""
+    env = dict(base) if base is not None else os.environ.copy()
+    ensure_system_path(env)
+    return env
+
 
 def md5(strings: str | bytes) -> str:
     """Generate MD5 hash"""
@@ -78,6 +96,7 @@ async def exec_shell(
         stdout=asyncio.subprocess.PIPE,
         stderr=asyncio.subprocess.PIPE,
         cwd=cwd,
+        env=environment_with_system_path(),
     )
     try:
         stdout, stderr = await asyncio.wait_for(
@@ -102,6 +121,7 @@ def exec_shell_sync(cmd: str, timeout: Optional[float] = None, cwd: Optional[str
             capture_output=True,
             timeout=timeout or 300,
             cwd=cwd,
+            env=environment_with_system_path(),
         )
         out = result.stdout.decode("utf-8", errors="replace") if result.stdout else ""
         err = result.stderr.decode("utf-8", errors="replace") if result.stderr else ""
diff --git a/YakPanel-server/frontend/src/pages/SoftPage.tsx b/YakPanel-server/frontend/src/pages/SoftPage.tsx
index 714505b1..cc616b43 100644
--- a/YakPanel-server/frontend/src/pages/SoftPage.tsx
+++ b/YakPanel-server/frontend/src/pages/SoftPage.tsx
@@ -75,7 +75,7 @@ export function SoftPage() {
 
       <div className="mb-4 p-3 rounded-lg bg-amber-50 dark:bg-amber-900/20 text-amber-800 dark:text-amber-200 text-sm">
         Installs use your server package manager ({detectedPm || '…loading…'}). Panel must run as root
-        (or equivalent). Supported: Debian/Ubuntu (apt), RHEL/Fedora/Alma/Rocky (dnf/yum), Alpine (apk).
+        (or equivalent). Supported: apt, dnf/yum/microdnf, apk.
       </div>
 
       <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
diff --git a/YakPanel-server/install.sh b/YakPanel-server/install.sh
index 80e2daad..759e1a0b 100644
--- a/YakPanel-server/install.sh
+++ b/YakPanel-server/install.sh
@@ -288,7 +288,8 @@ $REDIS_WANTS
 Type=simple
 User=root
 WorkingDirectory=$INSTALL_PATH/backend
-Environment="PATH=$INSTALL_PATH/backend/venv/bin:\$PATH"
+# Include system paths: systemd does not expand \$PATH reliably; venv-only PATH breaks dnf/apt from the API.
+Environment="PATH=$INSTALL_PATH/backend/venv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
 Environment=PYTHONUNBUFFERED=1
 ExecStart=$INSTALL_PATH/backend/venv/bin/uvicorn app.main:app --host 127.0.0.1 --port $BACKEND_PORT
 Restart=always