06-25-2002
Dear Kelam_Magnus,
Thank you for your information.
The problem has been solved by resetting the permissions on the users login shell files i.e., /usr/bin/ksh, /u95/bin/share/ksh and /var/adm/shserv .
it was a great experince for me. i did the follwoing.
1. after ORACLE DATABASE crash, I logged in as ORACLE user and type the SVRMGRL , connected to the oracel internal and shutdown the database (this is the way we startup and shutdown the database through SVRMGR).
2. Took the backup (cold backup) of existing database files using shell script. In the shell script i have change mode command (chmod) to set some permissions. (This created the problem).
3. I restarted the PC , then i could not login as any except root.
su - login_name also did not work. I checked the home directories, /etc/passwd files, /etc/profiles, users .profiles, users previlages everything seems alright.
4. Today when i try to login from the remote machine it displayed can not exec /var/adm/shserv permission denied.
5. Started giving the permissions and later on it displaed no shell.
6. Reset the permissions for korn shell (ksh) including link files also. Root is working because for roor login shell is /sbin/sh. for this permissions are absolutely fine.
7. Finally i could loging as ORACLE and restored the backup and restarted the DATABASE today itself..now i am relax..
thank you for ur info once again..
hope we will meet again if any ...
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LEARN ABOUT OPENDARWIN
chsh
CHSH(1) User Commands CHSH(1)
NAME
chsh - change login shell
SYNOPSIS
chsh [options] [LOGIN]
DESCRIPTION
The chsh command changes the user login shell. This determines the name of the user's initial login command. A normal user may only change
the login shell for her own account; the superuser may change the login shell for any account.
OPTIONS
The options which apply to the chsh command are:
-h, --help
Display help message and exit.
-R, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory.
-s, --shell SHELL
The name of the user's new login shell. Setting this field to blank causes the system to select the default login shell.
If the -s option is not selected, chsh operates in an interactive fashion, prompting the user with the current login shell. Enter the new
value to change the shell, or leave the line blank to use the current one. The current shell is displayed between a pair of [ ] marks.
NOTE
The only restriction placed on the login shell is that the command name must be listed in /etc/shells, unless the invoker is the superuser,
and then any value may be added. An account with a restricted login shell may not change her login shell. For this reason, placing /bin/rsh
in /etc/shells is discouraged since accidentally changing to a restricted shell would prevent the user from ever changing her login shell
back to its original value.
FILES
/etc/passwd
User account information.
/etc/shells
List of valid login shells.
/etc/login.defs
Shadow password suite configuration.
SEE ALSO
chfn(1), login.defs(5), passwd(5).
shadow-utils 4.5 01/25/2018 CHSH(1)