commands/process to reset root password
on boot:
select most recent kernel
`e` to edit
goto line with linux16, add `` to end of line
`ctrl+x` to continue boot to rd rescue mode
remount /sysroot as readable (defaults to read only in rd rescue mode):
`mount -o remount,rw /sysroot`
load the ...
Booting to the emergency target state drops to a rescue shell after the 'root'
filesystem has been mounted readonly, but BEFORE other FS checks are
carried out. Although you could do the same with 'rd.break' it would require
considerably more effort.
You are a member of a team of admins who are responsible for a critical
system. This system has two different web servers installed: The first (Nginx) is
used to serve content, the other (httpd) is installed only to satisfy
dependencies and should never be started as it causes a conflict. What
command could you run to ensure that 'httpd' is never accidentally started or
enabled by another admin?
✓ systemctl mask httpd
You're having a bad day and accidentally delete the 'initramfs' file in /boot
that matches your current kernel. Which command would you run to recover
from this?
✓ dracut
Master01 | October, 2024/2025 | Latest update
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