Originally posted by Anty
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A Look At The Speedy Clear Linux Boot Time Versus Ubuntu 19.10
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Guest repliedOriginally posted by Xicronic View Post
This. At least on my system, boot takes about about 14s, about 7s from UEFI and 7s systemd. While dropping my boot time to 8s would be great, it wouldn't be making my boot instantaneous.
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I opened the article expecting to see some bootchart graphs comparisons. No dice.
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hurray! the hibernation/sleep doesn't work fine on half of the laptops under the linux, but at least the kernel now boots in 0.3 sec! whoop whoop!
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Most distros are preloaded with bunch of useless staff for normal desktop. Once I started with ubuntu minimal 18.04 and install only things i needed (and still removed few services) boot times shortened by large margin. Then install pure desktop package without a ton of $hitty plugins and childish effects, akonadi, avahi, indexers etc..
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Originally posted by caligula View Post
Some time ago Ubuntu also started up network and modem drivers. Not everyone needs PPP and 56k modem drivers these days. Anyway seems funny that suddenly everyone cares about boot time. Like I said few days ago, I don't think the Linux boot time is that big of a problem, the firmware UEFI initialization takes a lot longer on many systems.
My reboot procedure normally involves either a bathroom break or getting a fresh cup of water or juice.
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Depending on your needs you can actually improve boot time a lot. I'm running a manually compiled kernel with only the stuff I need and minimal systemd on Gentoo and my boot time is a lot faster then the average distro (my kernel is around 8MB if I remember correctly). A bit slower then the Clear Linux results here, but comparable.
Stuff that slows your boot times: initramfs images, plymouth, luks, boot over network, huge kernel, wait DHCP in the foreground instead of backgrounding it, and lots of other services one doesn't always need. Using an NVME SSD and using F2FS with that and tweaking the mount options of course helps too, though only minorly (the SSD a lot of course).
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I'm also under the impression something like gdm will start up and display the login manager before systemd has finished starting all services, so I wonder if different setup of systemd units might make a difference to the reported time, but not the actual time.
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Originally posted by caligula View Post
Some time ago Ubuntu also started up network and modem drivers. Not everyone needs PPP and 56k modem drivers these days. Anyway seems funny that suddenly everyone cares about boot time. Like I said few days ago, I don't think the Linux boot time is that big of a problem, the firmware UEFI initialization takes a lot longer on many systems.
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Originally posted by Britoid View Post
If I was to have a guess, normal distros have a lot more options available during boot time. e.g. LUKS, mounting over a network etc.
That's not to say it can't be improved though.
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