12-19-2007
probably no.. actually the have provided an application to a client which he can only access using that paricilar user.. now he is not able to login in that application with that user and his passwd file showing *LK*.. wat can be the possible reason.. and hw to unlock that user
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Hey guys..
i need to be able to append 'LK' to a password field in the shadow file
I cannot use commands such as usermod chsh i need to directly be able to manupilate the files through a menu driven interface. So in other words write to the shadow file
How could i do this?
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I guess the earlier problem I had with changing user passwords and creating new users is related to the shadow file. Anytime I change something to /etc/passwd or shadow I get locked out.
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In shadow file
smithj:Ep6mckrOLChF.:10063:0:99999:7:::
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As a part of linux hardening
In shadow file all Application accounts which are not locked must contain only an asterisk “*” in the Passwd field.
But how would i do it by using command?
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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)