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È»ºó°Ñ¹«Ô¿·Åµ½·þÎñÆ÷ÉÏ£¨~/.ssh/authorized_keys£©, ×Ô¼º±£ÁôºÃ˽Կ.ÔÚʹÓÃsshµÇ¼ʱ,ssh³ÌÐò»á·¢ËÍ˽ԿȥºÍ·þÎñÆ÷ÉϵĹ«Ô¿×öÆ¥Åä.Èç¹ûÆ¥Åä³É¹¦¾Í¿ÉÒԵǼÁË
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$ ssh-keygen -t dsa
¿½±´keyµ½·þÎñÆ÷¶Ë
$ scp  ~/.ssh/id_dsa.pub root@remotehost:/
Password: ********
µÇ½µ½·þÎñÆ÷¶Ë°²×°¹«Ô¿
$ ssh root@remotehost
Password: ********
Ô¶³Ì·þÎñÆ÷Òª×öµÄÊÂÇé
$ cat id_dsa.pub >> ~/.ssh/authorized_keys
$ chmod 600 ~/.ssh/authorized_keys       //ȨÏÞµÄÉèÖ÷dz£ÖØÒª,ÒòΪ²»°²È«µÄÉèÖð²È«ÉèÖÃ,»áÈÃÄã²»ÄÜʹÓÃRSA¹¦ÄÜ
$ rm  id_dsa.pub
  
Public-key ÈÏÖ¤»úÖÆ±ÈÃÜÂëÒª°²È«, ÒòΪÃÜÂë²»ÔÚÍøÂçÉÏ´«Êä. ¶øÇÒ¿ÉÒÔÊÇÓüÓÃܵķ½Ê½´æ´¢µÄ,ΪÁ˰²È«,Ò²¿ÉÒÔÉèÖÃÒ»¸öpassphrase,ÕâÑù,±ðÈËÄõ½ÃÜԿҲûÓÐÓÃ.
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/etc/ssh/sshd_config:
PubkeyAuthentication yes          
Èç¹ûÐ޸ĺó¼ÇµÄÒªÖØÆðÄãµÄssh·þÎñ,ÓÃssh –vÀ´ÏÔʾÏêϸµÄµÇ½¹ý³Ì.
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UsePAM yes
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UserPAM no
¹Ø±ÕPamµÄ´«Í³ÃÜÂëÈÏÖ¤.
Èç¹ûʹÓÃWindowsÖеÄPutty
Èç¹ûÏëʹÓÃputty£¬ÒòΪssh-keygenÉú³ÉµÄSSH2ºÍputtyµÄkey¸ñʽ²»Í¬£¬ÎÞ·¨Ö±½ÓʹÓ㬱ØÐëÓà puttygen.exe ת»»Ò»Ï£º
°ÑLinuxµÄid_rsaÏë·¨copyµ½windowsÖУ¬ÔËÐÐputtygen.exe£¬Ñ¡Ôñ²Ëµ¥Conversions->Import keyÈ»ºósave private key£¬¾Í¿ÉÒÔʹÓÃÕâ¸öprivate keyÉèÖÃputtyÁË.
WindowsÖÐÉèÖÃPuttyʹÓÃkey
1£© Æô¶¯Putty£¬ÉèÖúÃsessionµÄ¸÷Ïî²ÎÊý£¨Èç¹ûÒÔǰÒѾ­ÉèÖùý£¬ÄÇôloadһϣ©£¬È»ºó´Ó×ó±ßÑ¡Ôñ“SSH->Auth”£¬µã»÷ Browse °´Å¥£¬Ñ¡Ôñ key.ppk Îļþ¡£
2£© ÉèÖà auto-login Óû§Ãû£¬Connection -> Data -> Auto-login username
3£© ÔÙ´Ó×ó±ßÑ¡Ôñ Session£¬È»ºóµã»÷ Save °´Å¥°ÑÐ޸ı£´æÏÂÀ´¡£È»ºóµã»÷Open °´Å¥¾Í¿ÉÒÔ


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linux 0.11 ÄÚºËѧϰ bitmap.c


/*
 *  linux/fs/bitmap.c
 *
 *  (C) 1991  Linus Torvalds
 */
/* bitmap.c contains the code that handles the inode and block bitmaps */
#include <string.h>
#include <linux/sched.h>
#include <linux/kernel.h> // һЩÄں˳£Óú¯ÊýµÄÔ­Ðζ¨Òå
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mysql on suse linux ϵͳÃüÁî±Ê¼Ç

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chkconfig mysql on
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/sbin/chkconfig --add mysql
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mysql -V

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service mysql start
service mysql stop
service mysql restart
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unbuntu linux bugzillaÅäÖùý³Ì

ÔÚvmϰ²×°unbuntu linux server 9.04
°²×°Íê³É ²é¿´IPµØÖ· ifconfig
°²×°telnet sudo apt-get install xinetd telnetd
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°²×°FTP sudo apt-get install vsftpd
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  sudo apt-get install mysql-server
apac ......

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