---
title: "Debug: Polecenia przydatne podczas diagnostyki systemu lub działających w nim usług"
url: "https://forum.qnap.net.pl/threads/debug-polecenia-przydatne-podczas-diagnostyki-systemu-lub-dzialajacych-w-nim-uslug.7432/"
thread_id: 7432
date: "2015-06-26"
category: "FAQ"
section: "Oh'Linux? Software hacking i QNAP modding"
source: "Forum QNAP Polska"
site: "https://forum.qnap.net.pl"
language: "pl"
ai_policy: "https://forum.qnap.net.pl/ai-policy.md"
license: "https://forum.qnap.net.pl/ai-policy.md"
---

# Debug: Polecenia przydatne podczas diagnostyki systemu lub działających w nim usług

> Source: <https://forum.qnap.net.pl/threads/debug-polecenia-przydatne-podczas-diagnostyki-systemu-lub-dzialajacych-w-nim-uslug.7432/> · FAQ · Forum QNAP Polska · 2015-06-26

Poniższe dwa zestawy poleceń przydatne są do diagnostyki uruchomionych w systemie usług, ale także w przypadku kiedy system wpadł w tzw. bootloop'a lub poprostu się nie uruchamia.
1. Wyłączenie autowznawiania umarłych procesów aplikacji, tzw. Watchdog'a
2. Wyłączenie wygaszacza ekranu (loga podczas inicjacji systemu)

**1. Wyłączenie autowznawiania umarłych procesów aplikacji, tzw. Watchdog'a:**

```bash
/sbin/daemon_mgr qwatchdogd stop “/sbin/qwatchdogd”
/sbin/qwatchdogd –d
rmmod iTCO_wdt
```

**2. Wyłączenie wygaszacza ekranu (loga podczas inicjacji systemu):**
To disable screensaver, we have to change the kernel command line of bootloader (Grub) and reboot.
Please type the following commands

```bash
# find the DOM device
hal_app --get_boot_pd port_id=0
```

Example: `/dev/sdc`
**Note**: The device name will be different in runtime system

```bash
# mount the bootloader partition
mkdir /mnt/boot; mount /dev/sdc1 /mnt/boot

# change the kernel command line in grub
vi /mnt/boot/grub.cfg
```

find the following file content `linux /boot/bzImage root=/dev/ram0 rw`, e.g:

```
menuentry 'DOM kernel X86' --class ubuntu --class gnu-linux --class gnu --class os {
  insmod ext2
  set root='(hd0,2)'
  linux  /boot/bzImage root=/dev/ram0 rw
  initrd  /boot/initrd.boot
}
menuentry 'DOM kernel X86 backup' --class ubuntu --class gnu-linux --class gnu --class os {
  insmod ext2
  set root='(hd0,3)'
  linux  /boot/bzImage root=/dev/ram0 rw
  initrd  /boot/initrd.boot
```

and change these as

```
menuentry 'DOM kernel X86' --class ubuntu --class gnu-linux --class gnu --class os {
  insmod ext2
  set root='(hd0,2)'
  linux  /boot/bzImage root=/dev/ram0 rw consoleblank=0
  initrd  /boot/initrd.boot
}
menuentry 'DOM kernel X86 backup' --class ubuntu --class gnu-linux --class gnu --class os {
  insmod ext2
  set root='(hd0,3)'
  linux  /boot/bzImage root=/dev/ram0 rw consoleblank=0
  initrd  /boot/initrd.boot
```

```bash
# unmount the partition and reboot
umount /dev/sdc1

reboot
```

---

Source: **Forum QNAP Polska** (formerly QNAP Club) — community support for QNAP NAS since 2008. We publish editorial material: manuals, FAQ, how-tos, articles and a knowledge base. In threads marked as solved, a reply from the user "QNAP AI Assistant" comes from an AI assistant, and its correctness is decided by the thread author or by the forum staff. When you quote this, cite the source (link to the thread or page). Content language: Polish.

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