Add Fedora BTRFS chroot

notes/memo_distrib.md

@@ -70,6 +70,38 @@ Grub EFI
 
 ([Source](https://docs.fedoraproject.org/en-US/fedora/latest/system-administrators-guide/kernel-module-driver-configuration/Working_with_the_GRUB_2_Boot_Loader/))
 
+Chroot depuis Fedora live sur une installation BRTFS
+
+```
+liveuser@localhost-live:~$ sudo su
+mkdir /mnt/sysimage
+
+# chroot
+mount -o subvol=root /dev/sda3 /mnt/sysimage/
+mount /dev/sda2 /mnt/sysimage/boot
+mount -o umask=0077,shortname=winnt /dev/nvme0n1p1 /mnt/sysimage/boot/efi
+mount -B /dev /mnt/sysimage/dev
+mount -B /proc /mnt/sysimage/proc
+mount -B /sys /mnt/sysimage/sys
+mount --bind /etc/resolv.conf /mnt/sysimage/etc/resolv.conf
+chroot /mnt/sysimage
+# ...
+# [do you stuff]
+# ...
+dnf reinstall shim-* grub2-*
+grub2-mkconfig -o /boot/grub2/grub.cfg
+exit
+
+# unchroot
+umount /mnt/sysimage/dev
+umount /mnt/sysimage/proc
+umount /mnt/sysimage/sys
+umount /mnt/sysimage/boot/efi
+umount /mnt/sysimage/boot
+umount /mnt/sysimage/etc/resolv.conf
+umount /mnt/sysimage
+```
+
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