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Full Discussion: lock an account
Top Forums Shell Programming and Scripting lock an account Post 302236436 by avronius on Monday 15th of September 2008 01:37:54 PM
Old 09-15-2008
root will still be able to su to the user. A test would be to su to a user that does not have root access - and try to su - to the locked user.

If you want to completely disable the account, change the default shell to /bin/false. This is a shell that doesn't exist, so will not allow root to su to it.

Code:
usermod -s /bin/false username

*LK* belongs in the second field, but again, you SHOULD NOT manually manipulate this file.

Last edited by avronius; 09-15-2008 at 02:40 PM.. Reason: added some clarity
 

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userdel(8)						      System Manager's Manual							userdel(8)

NAME
userdel - delete an user account SYNOPSIS
userdel [-D binddn] [-P path] [-r[-f]] [--service service] [--help] [-u] [-v] account DESCRIPTION
userdel deletes an user account from the local system files or a LDAP database and removes all entries that refer to account from the group database. Before the account is removed, the USERDEL_PRECMD command as defined in login.defs(5) is called, after removal the USERDEL_POSTCMD command is called. OPTIONS
-r, --remove-home Remove the whole home directory and the mail spool of the specified account. Files located in other directories will have to be searched for and deleted manually. -f, --force This option is used to force the removal of files, even if not owned by the account. --service service Add the account to a special directory. The default is files, but ldap is also valid. -D, --binddn binddn Use the Distinguished Name binddn to bind to the LDAP directory. The user will be prompted for a password for simple authentica- tion. -P, --path path The passwd and shadow files are located below the specified directory path. chpasswd will use this files, not /etc/passwd and /etc/shadow. --help Print a list of valid options with a short description. -u, --usage Print a short list of valid options. -v, --version Print the version number and exit. FILES
passwd - user account information shadow - shadow user account information group - group information SEE ALSO
passwd(1), login.defs(5), passwd(5), shadow(5), useradd(8), usermod(8) AUTHOR
Thorsten Kukuk <kukuk@suse.de> pwdutils October 2003 userdel(8)
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