So far, we have reached the service dracut.pre-mount.service where the user’s root filesystem is not yet mounted inside initramfs. systemd’s next stage of booting will mount the root filesystem on sysroot.
sysroot.mount
systemd accepts the mount dracut command-line parameter, which will drop us on a mount emergency shell. As you can see in Figure 9-1, we have passed the rd.break=mount kernel command-line parameter.
Figure 9-1
The kernel command-line parameter
As you can see in Figure 9-2, sysroot has been mounted with ...
Get Hands-on Booting: Learn the Boot Process of Linux, Windows, and Unix now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.
