User`s guide

Recovering from root Authentication Failure
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AlterPath OnSite Administrator’s and User’s Guide
For example, in the portion of the nsswitch.conf file in the following
screen example, no pound (#) signs appear before the entries for the
passwd, shadow, and group databases under NISLocal.
4. Change the search order to files only for the uncommented passwd,
shadow, and group databases.
5. Save and quit the file.
6. Open the /etc/portslave/pslave.conf file for editing.
7. Change the conf.authtype parameter back to local.
8. Save and quit the file.
9. Restart the OnSite to return to multiuser mode.
You should be able to log in as root.
10. Reconfigure authentication as desired.
# NISLocal
passwd: nis files
shadow: nis files
group: nis files
# NISLocal
passwd: files
shadow: files
group: files
[root@(none) /]# vi /etc/portslave/pslave.conf
# by default, authentication to the box is local
conf.authtype local
[root@(none) /]# reboot