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how to change linux os user name and password

773616Dec 15 2010 — edited Dec 15 2010
Hi

I'm installing OS Red Hat Enterprice Linux 5 in VM ware in my system. In that os , instead of root user, i gave user name as oracle & password as oracle 123.
Now i'm giving open terminal, terminal open with oracle $ instead of #.

I tried to change only password by using

[oracle@local host~]$ su - root
password:
su: incorrect password

here i'm giving new password to root user, not working, but using the old password (oracle123) is working and switch over to root user(#).

[oracle@local host~]$su - root
password: (oracle123)
[root@local host ~]#

i'm installed os only, i didn't install oracle software .

1.How to change terminal with # while giving open terminal?
2. how to change root, user name and password?
Thanks in advance.

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Locked on Jan 12 2011
Added on Dec 15 2010
4 comments
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