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Full Discussion: SU password
Top Forums UNIX for Dummies Questions & Answers SU password Post 302204591 by zaxxon on Thursday 12th of June 2008 04:56:52 AM
Old 06-12-2008
Depends on what user you "su" to. If you call "su" without any username, it is root, you want to become. Since you didn't write any username, I guess you lost your root pw. For this it depends which OS you have - best start searching a recovery/maintenance CD/boot to reset your root pw. Google will have a lot on this topic.
 

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SYSTEMD-VOLATILE-ROOT.SERVICE(8)			   systemd-volatile-root.service			  SYSTEMD-VOLATILE-ROOT.SERVICE(8)

NAME
systemd-volatile-root.service, systemd-volatile-root - Make the root file system volatile SYNOPSIS
systemd-volatile-root.service /lib/systemd/systemd-volatile-root DESCRIPTION
systemd-volatile-root.service is a service that replaces the root directory with a volatile memory file system ("tmpfs"), mounting the original (non-volatile) /usr inside it read-only. This way, vendor data from /usr is available as usual, but all configuration data in /etc, all state data in /var and all other resources stored directly under the root directory are reset on boot and lost at shutdown, enabling fully stateless systems. This service is only enabled if full volatile mode is selected, for example by specifying "systemd.volatile=yes" on the kernel command line. This service runs only in the initial RAM disk ("initrd"), before the system transitions to the host's root directory. Note that this service is not used if "systemd.volatile=state" is used, as in that mode the root directory is non-volatile. SEE ALSO
systemd(1), systemd-fstab-generator(8), kernel-command-line(7) systemd 237 SYSTEMD-VOLATILE-ROOT.SERVICE(8)
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