I have set up a few new headless Ubuntu servers.
:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
After a while they work, I try to schedule a restart but It returns error.
:~$ sudo shutdown -r 8
Failed to set wall message, ignoring:No buffer space available
Failed to call ScheduleShutdown in logind, no action will be taken: Transport endpoint is not connected
Sometimes, it works after a few tries. I checked htop, and df -h I couldn't see any problem.
I have enough space on the HDD
df -h
Filesystem Size Used Avail Use% Mounted on
tmpfs 6.3G 1.6M 6.3G 1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv 437G 89G 331G 22% /
tmpfs 32G 0 32G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
/dev/sda2 2.0G 253M 1.6G 14% /boot
/dev/sda1 1.1G 5.3M 1.1G 1% /boot/efi
tmpfs 6.3G 104K 6.3G 1% /run/user/0
tmpfs 6.3G 4.0K 6.3G 1% /run/user/1000
and RAMs are used only %10 (128GB)
For a long time, I have not been resolving this problem. I appreciate your help.
