Thursday, 16 May 2013

Important Files In AIX

Important Files In Aix...!!!

Files:

/etc/security/environ  
 lists environment attributes for each user
/etc/security/lastlog  
 lists last login attributes for each user
/etc/security/limits  
  lists process resource limits for each user
/etc/security/user  
 lists extended user attributes for  each user
/usr/lib/security/mkuser.default  
 lists default attributes for new users
/usr/lib/security/mkuser.sys  
 script that sets up the user's environment
/etc/passwd  
 lists basic user attributes for each user
/etc/security/passwd  
  contains password information for each user
/etc/security/login.cfg  
  lists login security information for each user
/etc/utmp  
 contains users that are logged into the system, used by the "who" command
/var/adm/wtmp  
  contains connect time information for users
/etc/security/failedlogin  
 contains unsuccessful login attempts
/etc/motd  
  message of the day that is displayed when the user logs in.
/etc/environment  
 lists the default environment that new processes will use.
/etc/profile  
  environment settings for all  users
$HOME/.profile  
  environment settings for a specific user
/etc/group  
  lists attributes for each group
/etc/security/group  
  lists extended attributes for each group

Important /etc/security/user attributes to know about:

account_locked  
true or false
expires 
Expiration time for a user account.  MMDDHHMMYY,  a value of 0 indicates no expiration
loginretires  
Number of invalid login attempts before a users is not allowed to login.  A value of 0 indicates this attribute is disabled.
maxage  
Maximum number of weeks a password is valid, a value of 0 indicates unlimited
minage  
Minimum number of weeks between password changes.

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