When I use the below rctwake command, I get the following error :
rtcwake -m disk -s 120
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "disk" using /dev/rtc0 at Tue Oct 10 16:27:29 2017
rtcwake: write error
However, when I use the "mem" option, it works fine :
rtcwake -m mem -s 120
Does this mean that my machine does not support ACPI state S4 (Suspend-to-disk) ?
Here is the result of the command : dmesg | grep …
即使我以 root 身份登录，以下是我在尝试执行升级时遇到的冲突：
root@:/home/frederic# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up linux-headers-4.9.0-3-amd64 (4.9.30-2+deb9u3) ...
/etc/kernel/header_postinst.d/dkms:
Error! You must be root to use this command.
run-parts: /etc/kernel/header_postinst.d/dkms exited with return code 1
Failed …