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[½»Á÷] Cent OS 7°²×°MS2017֮ǰµÄ×¼±¸¹¤×÷¡ª¡ª·ÇrootÓû§sshÃâÃܵǼ ÒÑÓÐ1È˲ÎÓë

ÓÉÓÚCent OS 7µÄ·ÇrootÓû§µÄÃâÃܹæÔò¸üÑϸñ£¬ËùÒÔÔÚÉèÖÃsshÃâÃܵǼ֮ǰ±ØÐë¼ì²éÒÔÏÂÎÊÌ⣺
¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª
1.ÐÞ¸Ä Cent OS 7µÄÎļþ/etc/ssh/sshd_config
---------------------------------------------------
[root@hadoop01 ~]# cat /etc/ssh/sshd_config | grep uth | grep -v "#"
RSAAuthentication yes
PubkeyAuthentication yes
AuthorizedKeysFile  .ssh/authorized_keys
²é¿´ÎļþÊÇ·ñÓÐÒÔÉÏÈý¸öÓï¾ä£¬¶øÇÒ¡°#¡±ÒÑÈ¥µô£¬Èç¹ûÓв»Í¬£¬´ò¿ªÎļþÐ޸ġ£
[root@hadoop01 ~]# vi /etc/ssh/sshd_config
ÐÞ¸ÄÍê±ÏÖ®ºó£¬ÖØÆôssh·þÎñ£ºsystemctl restart sshd.service
-------------------------------------------------
2. ÐÞ¸Ä Cent OS 7µÄÎļþ/etc/selinux/config
-------------------------------------------------
[root@hadoop01 ~]# cat /etc/selinux/config | grep SELINUX= | grep -v "#"
SELINUX=disabled
²é¿´¸ÃÎļþ£¬ÊÇ·ñÓÐÒÔÉÏÓï¾ä£¬·ñÔò´ò¿ªÎļþÐÞ¸ÄΪһÖÂ
[root@hadoop01 ~]# vi /etc/selinux/config  
¼´¿ÉÉúЧ£¬Ö´ÐÐÃüÁsetenforce 0
-------------------------------------------------
3. Ö´ÐÐsshÉèÖÃ
-------------------------------------------------
(1) su msi         //½øÈë·ÇrootÓû§msi
(2) ssh-keygen -t dsa   
(3) cd .ssh   
(4) cat id_dsa.pub >> authorized_keys   
(5) chmod 600 authorized_keys   //´ËÎļþµÄȨÏÞÉèÖÃÒªµÍһЩ644Ò²¿ÉÒÔ
(6) chmod 700 /home/msi/.ssh   //Îļþ¼ÐµÄȨÏÞÒªÉè¸ßһЩ777Ò²¿ÉÒÔ
(7) [msi@node21 root]$ scp /home/msi/.ssh/* node5: /home/msi  //½«Éú³ÉµÄÃØÔ¿ÎļþµÈcopyµ½Òª¿ØÖƵÄÄ¿±ê»úÆ÷ÉÏ
(8) [msi@node21 root]$ ssh node5        //µÇ¼³É¹¦£¡
     Last login: Sat Apr 20 17:39:34 2019
     [msi@node5 ~]$
¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª
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