Ubuntu 18.04 автоматически перезагружается ежедневно более двух раз?

конфигурация системы

Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              16
On-line CPU(s) list: 0-15
Thread(s) per core:  1
Core(s) per socket:  8
Socket(s):           2
NUMA node(s):        2
Vendor ID:           GenuineIntel
CPU family:          6
Model:               45
Model name:          Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz

Моя система ежедневно перезагружается без моего ведома. Есть ли решения для такого поведения моей системы. Вывод для последней перезагрузки выглядит следующим образом:

reboot   system boot  5.3.0-51-generic Fri May  8 11:26   still running
reboot   system boot  5.3.0-51-generic Fri May  8 08:24   still running
reboot   system boot  5.3.0-51-generic Thu May  7 16:32   still running
reboot   system boot  5.3.0-51-generic Thu May  7 08:31   still running
reboot   system boot  5.3.0-51-generic Wed May  6 17:18   still running
reboot   system boot  5.3.0-51-generic Wed May  6 16:41   still running
reboot   system boot  5.3.0-51-generic Wed May  6 08:35   still running
reboot   system boot  5.3.0-51-generic Wed May  6 08:26   still running
reboot   system boot  5.3.0-51-generic Tue May  5 23:28   still running
reboot   system boot  5.3.0-51-generic Tue May  5 17:51   still running
reboot   system boot  5.3.0-51-generic Tue May  5 16:45   still running
reboot   system boot  5.3.0-51-generic Tue May  5 09:59   still running
reboot   system boot  5.3.0-51-generic Tue May  5 08:28   still running
reboot   system boot  5.3.0-51-generic Tue May  5 08:13   still running
reboot   system boot  5.3.0-51-generic Tue May  5 07:34   still running
reboot   system boot  5.3.0-51-generic Mon May  4 10:44   still running
reboot   system boot  5.3.0-51-generic Mon May  4 09:48   still running
reboot   system boot  5.3.0-51-generic Mon May  4 07:53   still running
reboot   system boot  5.3.0-51-generic Mon May  4 03:26   still running
reboot   system boot  5.3.0-51-generic Sun May  3 21:55   still running
reboot   system boot  5.3.0-51-generic Sun May  3 09:16   still running
reboot   system boot  5.3.0-51-generic Sat May  2 17:06   still running
reboot   system boot  5.3.0-51-generic Sat May  2 13:34   still running
reboot   system boot  5.3.0-51-generic Sat May  2 08:35   still running
reboot   system boot  5.3.0-51-generic Fri May  1 07:20   still running

wtmp begins Fri May  1 07:20:08 2020

Вывод команды ls -al / usr / share / gnome-shell / extensions

total 64
drwxr-xr-x 16 root root 4096 Jan 23 12:26 .
drwxr-xr-x  6 root root 4096 Jan 14 11:30 ..
drwxr-xr-x  2 root root 4096 Jan 23 12:26 alternate-tab@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 apps-menu@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 auto-move-windows@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 drive-menu@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 launch-new-instance@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 native-window-placement@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 places-menu@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 screenshot-window-sizer@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  3 root root 4096 Aug  6  2019 ubuntu-appindicators@ubuntu.com
drwxr-xr-x  3 root root 4096 Aug  6  2019 ubuntu-dock@ubuntu.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 user-theme@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 window-list@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 windowsNavigator@gnome-shell-extensions.gcampax.github.com
drwxr-xr-x  2 root root 4096 Jan 23 12:26 workspace-indicator@gnome-shell-extensions.gcampax.github.com

Вывод ls - al ~ / .local / share / gnome-shell / extensions Нет такого файла или каталога

Вывод команды ps auxc | grep -i therm

root       250  0.0  0.0      0     0 ?        I<   May08   0:00 acpi_thermal_pm