01-10-2009
su command to non-root without password prompt
Thank you autocross.us for the ssh authentication suggestion. I saw that from my google search for this the other day so I will certainly keep that in mind for future.
This is just an old Solaris HP box that will be replaced in the near future and only a handful of programmers like myself are maintaining old sas applications on it.
So at the moment only root and myself can do this.
The original answer to my initial question was to eliminate prdusr password prompt altogether so limiting just myself and root to be able to su prdusr without the password prompt is a very good compromise for now as I switch to prdusr a lot during my work to submit/check jobs and monitor processes on the old box.
We have a sas problem that generate orphaned processes running forever daily.
I wrote a korn script to detect and auto kill these jobs but it only works partially by looking at very high CPU and no updates to saswork directories. But people can run very high cpu sas jobs without sort (updating their saswork directories) so my script is flawed. And now we are back to manual checking and emailing individual first before killing their jobs.
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LEARN ABOUT REDHAT
shadow
SHADOW(5) File Formats Manual SHADOW(5)
NAME
shadow - encrypted password file
DESCRIPTION
shadow contains the encrypted password information for user's accounts and optional the password aging information. Included is
Login name
Encrypted password
Days since Jan 1, 1970 that password was last changed
Days before password may be changed
Days after which password must be changed
Days before password is to expire that user is warned
Days after password expires that account is disabled
Days since Jan 1, 1970 that account is disabled
A reserved field
The password field must be filled. The encryped password consists of 13 to 24 characters from the 64 character alphabet a thru z, A thru
Z, 0 thru 9, . and /. Refer to crypt(3) for details on how this string is interpreted.
The date of the last password change is given as the number of days since Jan 1, 1970. The password may not be changed again until the
proper number of days have passed, and must be changed after the maximum number of days. If the minimum number of days required is greater
than the maximum number of day allowed, this password may not be changed by the user.
An account is considered to be inactive and is disabled if the password is not changed within the specified number of days after the pass-
word expires. An account will also be disabled on the specified day regardless of other password expiration information.
This information supercedes any password or password age information present in /etc/passwd.
This file must not be readable by regular users if password security is to be maintained.
FILES
/etc/passwd - user account information
/etc/shadow - encrypted user passwords
SEE ALSO
chage(1), login(1), passwd(1), su(1), passwd(5), pwconv(8), pwunconv(8), sulogin(8)
AUTHOR
Julianne Frances Haugh (jockgrrl@ix.netcom.com)
SHADOW(5)