The chroot Technique – a Swiss army multitool for Linux systems
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Re: The chroot Technique – a Swiss army multitool for Linux systems
#2The arch linux install has a little wrapper around chroot, used to configure the installed system without booting it.
Re: The chroot Technique – a Swiss army multitool for Linux systems
#3With qemu-user and binfmt you can even chroot into foreign CPU architectures, which is a handy thing to have when you mount your phone's eMMC to fix a hacking session gone wrong.
Though these days you may want to look into things like systemd-nspawn instead of plain chroot.
Re: The chroot Technique – a Swiss army multitool for Linux systems
#4I actually wish that instead of docker & etc we had just gotten a better chroot... Or maybe just a new kernel syscall that is chroot()++.
Re: The chroot Technique – a Swiss army multitool for Linux systems
#5I actually wish that instead of docker & etc we had just gotten a better chroot... Or maybe just a new kernel syscall that is chroot()++.
Pids and cgroups all the way down (also why the wise greybeards rejected docker)
Re: The chroot Technique – a Swiss army multitool for Linux systems
#6The arch linux install has a little wrapper around chroot, used to configure the installed system without booting it. https://wiki.archlinux.org/title/Installation_guide#Chroot
Gentoo’s stage3 would like to say a word
Re: The chroot Technique – a Swiss army multitool for Linux systems
#7I actually wish that instead of docker & etc we had just gotten a better chroot... Or maybe just a new kernel syscall that is chroot()++.
Working on proot-docker, a bash script on top of skopeo and proot:
https://github.com/mtseet/proot-docker
We need more people to improve it!
Re: The chroot Technique – a Swiss army multitool for Linux systems
#8I actually wish that instead of docker & etc we had just gotten a better chroot... Or maybe just a new kernel syscall that is chroot()++.
Come to FreeBSD, we have just that - jails.
Re: The chroot Technique – a Swiss army multitool for Linux systems
#9[dead]
Re: The chroot Technique – a Swiss army multitool for Linux systems
#10I actually wish that instead of docker & etc we had just gotten a better chroot... Or maybe just a new kernel syscall that is chroot()++.
Isn't LXC more or less an unsupervised chroot in an isolated process?