- has the system been shutdown properly “gracefully” or has it crashed?
- it does not have to be a software or hardware problem
- it could also be: insufficient shielding from
- terrestrial
- microwaves
- satellites
- lightning strike near by?
- or extra-terrestrial (the cosmos and the sun) emit electro magnetic radiation
- the poles of the earth shield against some of this space radiation by attracting the charged particles to the north and south poles, which causes the “northern lights” also known as “auroras” (mars got em too)
northern lights
- “Schwabe cycle, is a nearly periodic 11-year change in the Sun’s activity” (src) (checkout the space weather today)
- but the sun’s particles ALSO shield from even more outer space radiation
- the poles of the earth shield against some of this space radiation by attracting the charged particles to the north and south poles, which causes the “northern lights” also known as “auroras” (mars got em too)
- terrestrial
- basically: electro magnetic radiation (microwaves, radiowaves) induce a current flow in wires that act like “antennas”
- watts flow in wires even without a powersource attached, which can disturb or crash unhardened microchips
hostnamectl; # tested on
Chassis: vm 🖴
Virtualization: kvm
Operating System: Debian GNU/Linux 12 (bookworm)
Kernel: Linux 6.1.0-18-amd64
Architecture: x86-64
# clean shutdowns last -3 reboot shutdown reboot system boot 6.1.0-18-amd64 Wed Mar 13 12:08 still running <- current boot reboot system boot 6.1.0-18-amd64 Wed Mar 13 11:28 - 11:28 (00:00) <- was booted at this time reboot system boot 6.1.0-18-amd64 Wed Mar 13 08:03 - 08:42 (00:39) <- was booted at this time # last shutdown was unclean last -3 reboot shutdown reboot system boot 6.1.0-18-amd64 Wed Mar 13 12:10 still running <- current boot reboot system boot 6.1.0-18-amd64 Wed Mar 13 12:08 still running <- last boot marked "still running" reboot system boot 6.1.0-18-amd64 Wed Mar 13 11:28 - 11:28 (00:00) # "still running" of last boot indicates unclean system shutdown # might also be helpful to have apt install inetutils-syslogd
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