  ,    .  -
 NIS-    ,    ,
   ypxfr,     .

 ypxfrd     ;    
 .     chkconfig  ypxfrd   -
    ,   ypxfrd  
  service.     
" "  "  NIS"    .



   ,  ypserv   portmap:

# rpcinfo -p | grep ypserv

100004    2   udp    849 ypserv
100004    1   udp    849 ypserv
100004    2   tcp    852 ypserv
100004    1   tcp    852 ypserv

    ,  NIS-   :

$ /usr/sbin/rpcinfo -u localhost ypserv

program 100004 version 1 ready and waiting

( 100004  1   )
program 100004 version 2 ready and waiting

( 100004  2   )

    ,  ,  ypserv   
service.        :

# /sbin/service ypserv stop

Stopping YP server services:            ('   YPf
[ OK ]

# /usr/sbin/ypserv debug

 --debug  ypserv        -
         .

yppasswdd:    NIS

   NIS yppasswdd     ;

     . (     ,  
     ,     .)
   yppasswd (.  "yppasswd:   NIS"  
 )        yppasswdd  -
    (, ,  )  NIS-
 shadow (, , passwd)    /etc/shadow (, ,
/etc/passwd)   NIS-.      
syslogd (.  "syslogd:     "  16).

 21. NIS:    671