Add fedora_chroot.md

fedora_chroot.md

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+
+
+## Find root partition
+
+```
+sudo lsblk -f
+```
+
+## Enter
+
+- `--bind` makes the contents accessible in both locations
+- `-t` defines the filesystem type.
+
+```
+sudo mount /dev/nvme0n1p5 /mnt
+sudo mount /dev/nvme0n1p1 /mnt/boot/efi
+
+sudo mount --bind /dev  /mnt/dev
+
+mount -t proc /proc /mnt/proc
+mount -t sysfs /sys /mnt/sys
+mount -t tmpfs tmpfs /mnt/run
+
+mkdir -p /mnt/run/systemd/resolve/
+echo 'nameserver 1.1.1.1' > /mnt/run/systemd/resolve/stub-resolv.conf
+chroot /mnt
+```
+
+## Exit
+
+```
+exit
+umount /mnt/dev
+umount /mnt/proc
+umount /mnt/sys
+umount /mnt/run
+umount /mnt
+```