SmoochyPit@beehaw.org to 196@lemmy.blahaj.zoneEnglish · 1 year agoLinux Rulesbeehaw.orgimagemessage-square44fedilinkarrow-up1361arrow-down10
arrow-up1361arrow-down1imageLinux Rulesbeehaw.orgSmoochyPit@beehaw.org to 196@lemmy.blahaj.zoneEnglish · 1 year agomessage-square44fedilink
minus-squareRescuer6394@feddit.nllinkfedilinkarrow-up6·1 year agoon a serious note, is possible to never reboot? like an high availability server that can’t never go down, how do they manage kernel updates? * yes i know that now there is kube and docker etc and you can update the container with zero downtime. but how they did it 10 years ago?
minus-squarezea@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up8·1 year agoKernel live patching, which basically rewires kernel functions at runtime, lets you update the kernel without rebooting. I don’t remember how old that is though.
minus-squarezea@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up3·1 year agoThat’s still downtime, it just doesn’t reboot firmware
minus-squarenarshee@iusearchlinux.fyilinkfedilinkarrow-up3·1 year agoYou can go without rebooting if you always have power, don’t care about updates (security) and don’t run into bugs. It’s done with multiple servers I guess. One updates/reboots while the other ones don’t.
on a serious note, is possible to never reboot?
like an high availability server that can’t never go down, how do they manage kernel updates? *
Kernel live patching, which basically rewires kernel functions at runtime, lets you update the kernel without rebooting. I don’t remember how old that is though.
there’s also kexec
That’s still downtime, it just doesn’t reboot firmware
You can go without rebooting if you always have power, don’t care about updates (security) and don’t run into bugs.
It’s done with multiple servers I guess. One updates/reboots while the other ones don’t.