1992.10.12 SUBJECT: Solaris 2.x NIS 1. Á¤ÀÇ 1) NIS : Network Information Service local area network¿¡¼ serviceÇÏ°í,½Ã½ºÅÛ¿¡´ëÇÑ Á¤º¸¸¦ Á¦°øÇÏ´Â services. 2) NIS map : local area network»ó¿¡¼ ½Ã½ºÅ۵鿡 °üÇÑ Á¤º¸¸¦ À¯Áöº¸¼öÇÏ´Â database °°Àº entryµé. 3) Domain : domainÀº °°Àº NIS mapÀ» ÅëÇØ accessÇÏ´Â ½Ã½ºÅÛµéÀÇ groupÀ» ¸»ÇÑ´Ù. 4) DNS : Domain Name Service local°ú ¸Õ°Å¸® network»ó¿¡ etworkÀ» ÅëÇØ ½Ã½ºÅ۵鿡 °üÇÑ Á¤º¸¸¦ Á¦°øÇÏ´Â TCP/IP protocal familyÀÇ name service. 2. NIS Client utility - Á¾ ·ù : ypcat ypchsh ypchfn ypmatch yppasswd ypset ypwhich ypbind ( daemon ) 3. NIS server utility - Á¾ ·ù : ypinit yppoll ypxfr - »èÁ¦µÈ ºÎºÐ - yppush makedbm ypmake ypserv ( daemon ) rpc.yppasswdd ( daemon ) ypxfrd ( daemon ) rpc.ypupdated ( daemon ) 4. NIS switch # cat /etc/nsswitch.conf # # An example file that could be copied over to /etc/nsswitch.conf; it # uses NIS (YP) in conjuction with files. # # "hosts:" and "services:" in this file are used only if the /etc/netconfig # file contains "switch.so" as a nametoaddr library for "inet" transports. # the following two lines obviate the "+" entry in /etc/passwd and /etc/group. passwd: files nis group: files nis # consult /etc "files" only if nis is down. hosts: nis [NOTFOUND=return] files networks: nis [NOTFOUND=return] files protocols: nis [NOTFOUND=return] files rpc: nis [NOTFOUND=return] files ethers: nis [NOTFOUND=return] files netmasks: nis [NOTFOUND=return] files bootparams: nis [NOTFOUND=return] files publickey: nis [NOTFOUND=return] files netgroup: nis automount: files nis aliases: files nis # for efficient getservbyname() avoid nis services: files nis * À§ÀÇ ÈÀÏÀº /etc/nsswitch.nisÀÇ ¿¹ÀÌ´Ù. ±×°÷¿¡´Â nsswitch.conf , nsswitch.files , nsswitch.nis , nsswitch.nisplusµîÀÇ 4°¡Áö ÈÀÏÀÌ ÀÖ´Ù. nsswitch.files , nsswitch.nis , nsswitch.nisplusµîÀ» nsswitch.conf·Î copyÇÏ¿© settingÇÑ´Ù. ¿©±â¼ nsswitch.filesÀº NFS , nsswitch.nis´Â yp, nsswitch´Â nsswitch.nisplus¸¦ ¸»ÇÏ°Ô µÈ´Ù. 5. Name service overview NIS+ ÀÇ ¸ñÀû : º¹ÀâÇÑ network»ó¿¡¼ ´Ü¼øÇÑ °ü¸®¸¦ À§ÇØ. NIS¿¡¼ÀÇ security modelÀ» °³¼±. 6. NIS+ÀÇ ÀÌÁ¡. - Hierachical Name space ( ¿¹ : user@bumpcity.Eng.Sun.COM ) - NIS´Â ´ÜÁö flat Name space¸¸À» Á¦°ø. - Ä¿´Ù¶õ networkÀ» °ü¸®ÇϱâÀ§ÇØ Hierarchy±¸Á¶ »ç¿ë. - NIS+ ´Â DNS¿Í NISÀÇ °øµ¿»ç¿ëÀ» ´ëÄ¡. - NISº¸´Ù ºü¸¥ °ü¸®´É·Â Á¦°ø. - Àüü mapÀ» ´ëÄ¡ÇÏÁö ¾Ê¾Æµµ mapÀÇ º¯°æÀÌ °¡´É. - NISº¸´Ù ´õ ³ºÀº security¸¦ Á¦°ø. - NIS+ namespace´Â NIS+ informationÀÌ ÀúÀåµÈ ±¸Á¶ÇüÅÂÀÌ´Ù. - NIS+ architecture´Â Hierarchical Name spaceÀÌ´Ù. - °¢ domainÀ» ºÐ¸®ÇÏ¿© °ü¸®ÇÒ¼ö ÀÖ´Ù. ex) NIS+ architecture ( page 12 ) 7. command Function NIS NIS+ map¿¡ÀÖ´Â data¸¦ º¸¿©ÁÜ ypcat niscat database¸¦ installÇÏ°í ¸¸µë ypinit nisinit map¿¡ÀÖ´Â key¸¦ match ypmatch nismatch name serverÀÇ directory /var/yp /var/nis 8. NIS & NIS+ - configuration files NIS : /var/yp/* NIS+: /var/nis/* 9. NISÀÇ client configuration 1) ypinit -c¸¦ ¼öÇà.(¿©±â¼ server¸¦ Ãß°¡) 2) automatic script - /etc/rc2.d/s71rpc´Â ypbind¸¦ ½ÃÀÛ½ÃŲ´Ù. 10. NIS+ client configuration 1) /etc/hosts¸¦ µî·Ï 2) client configurationÀ» ÃʱâÈ - nisinit -c 3) nis¿¡¼ nis+·Î º¯°æÇϱâÀ§Çؼ´Â /etc/nsswitch.nis+¸¦ /etc/nsswitch.conf·Î º¯°æÇÏ¿©¾ß ÇÔ. 11. root master server¸¦ configuration 1) domainnameÀ» ¸¸µë # domainname > /etc/defaultdomain 2) dictionary¿Í root object¸¦ Ãß°¡ - nisinit -r 3) NIS+ server daemonÀ» ½ÃÀÛ - rpc.nisd -r & 4) ºñ¾îÀÖ´Â standard tableÀ» set-up - /usr/lib/netsvc/nis/nissetup domainname 5) /etcÇÏÀÇ fileµé·ÎºÎÅÍ table¿¡ entry¸¦ Ãß°¡. 12. non-root master server¸¦ configuration 1) domain ÀÇ clientó·³ ±¸¼º. 2) rpc.nisd°¡ ¿î¿µµÇ°í ÀÖ´ÂÁö¸¦ È®ÀÎ. 3) directory object¸¦ ¸¸µë. - nismkdir -m domain 4) ºñ¾îÀÖ´Â standard tableÀ» set-up - /usr/lib/netsvc/nis/nisetup/domainname 5) /etc fileµé·ÎºÎÅÍ table¿¡ entry¸¦ Ãß°¡ ÇÔ. 13. NIS client¸¦ set-upÇÏ´Â Example 1) vi /etc/inet/hosts ( ¿©±â¿¡ address¿Í nameÀ» µî·Ï ) 2) vi /etc/defaultdomain 3) cp /etc/nsswitch.nis /etc/nsswitch.conf 4) ypinit -c 5) /usr/lib/netsvc/yp/ypbind 6) ypwitch Revision History Created on 12 Oct , 1992