Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Linuxϵͳ·þÎñÆ÷°²×°ºóµÄ°²È«ÅäÖ÷½·¨


°²×°Íê³ÉÒÔºó£¬Ó¦¸ÃÂíÉϲÉÈ¡ÄÄЩ´ëÊ©À´ÔöÇ¿·þÎñÆ÷µÄ°²È«ÐÔ¡£¶ÔÓÚÆäËûµÄLinux·¢²¼»òÕß°æ±¾£¬ÕâЩ·½·¨Ò²ÊÇÊÊÓõġ£
Ò»¡¢¹Ø±Õ²»±ØÒªµÄ·þÎñ
LinuxµÄ·þÎñ·ÖΪÁ½ÖÖ£¬Ò»ÖÖÊÇÓÉinetd³¬¼¶·þÎñÆ÷À´Æô¶¯µÄ£¬Èç:ftp¡¢telnetµÈ£»¶ÔÓÚÕâЩ·þÎñÀ´Ëµ£¬ÏµÍ³²¢²»×ÜÊÇÔËÐÐtelnetd¡¢ ftpdµÈ·þÎñ½ø³Ì£¬¶øÊÇÓÉinetd½ø³Ì¼àÌýÕâЩ·þÎñµÄ·þÎñ¶Ë¿Ú£¬Ò»µ©ÓзþÎñÇëÇóµ½´ï¾ÍÆô¶¯¶ÔÓ¦µÄ·þÎñ½ø³Ì(Èç:telnetdµÈ)À´Ìṩ·þÎñ¡£ÁíÍâÒ»ÖÖÊǶÀÁ¢µÄ·þÎñÆ÷£¬ÏµÍ³Ò»Ö±ÔËÐÐÓжÔÓ¦µÄ·þÎñ½ø³Ì¡£
¹Ø±ÕÕâÁ½ÖÖ·þÎñµÄ·½·¨ÊDz»Í¬µÄ£¬¶ÔÓÚinetdÆô¶¯µÄ½ø³Ì£º
inetd³¬¼¶·þÎñÆ÷µÄÅäÖÃÎļþΪ/etc/inetd.conf£¬¸ÃÎļþָʾÁËinetdÓ¦¸Ã¼àÌýÄÄЩ·þÎñÇëÇ󣬲¢ÔÚÇëÇóʱÆô¶¯¶ÔÓ¦µÄ·þÎñ¡£Òò´ËֻҪͨ¹ý±à¼­/etc/inetd.confÎļþ¾Í¿ÉÒÔʵÏֹرղ»ÐèÒªµÄ·þÎñ£¬ÀýÈçÏ£Íû¹Ø±Õpop3·þÎñ£¬ÔòÔڱ༭/etc/inetd.confÎļþÒÔǰÎļþÖÐÓÐÈçϵÄÄÚÈÝ£º
pop-3 stream tcp nowait root /usr/sbin/tcpd ipop3d
Òª¹Ø±Õpop3·þÎñÔòÔÚ¸ÃÐÐǰÌí¼Ó×¢ÊÍ·û¼´¿É£º
#pop-3 stream tcp nowait root /usr/sbin/tcpd ipop3d
ͨ¹ý±à¼­¸ÃÎļþ£¬ÊµÏֹرղ»ÐèÒªµÄ·þÎñ(ÀýÈçÎÒµÄϵͳÎÒ½ö½ö¿ª·ÅÁËtelnetºÍftp·þÎñ)ÒÔºó£¬ÔòÐèÒªÖØÐÂÆô¶¯inetd³¬¼¶·þÎñÆ÷¡£Ê×ÏÈÕÒµ½inetdµÄ½ø³ÌºÅ£º
[root@aid /etc]# ps ax|grep inetd
358 ? S 0:00 inetd
È»ºóÖØÐÂÆô¶¯inetd·þÎñÆ÷£º
[root@aid /etc]# kill -HUP 358
×îºóÒòΪinetd.confÓ¦¸Ã²»ÔÊÐíÆÕͨÓû§¶Áд£¬Òò´ËÉèÖÃÆä·ÃÎÊȨÏÞΪ600:
chmod 600 /etc/inetd.conf
¶øÇÒ¸ÃÎļþÓ¦¸Ã²»±»ÈκÎÓû§Ð޸쬰üÀ¨rootÓû§¡£Òò´ËΪÁË·ÀÖ¹Óû§´íÎóµÄÐ޸ĸÃÎļþ£¬Îª¸ÃÎļþÌí¼Ó²»¿ÉÐÞ¸Äλ£º
chattr i /etc/inetd.conf
¶ÔÓÚ¶ÀÁ¢·þÎñÆ÷£¬ÔòÐèҪͨ¹ý/usr/sbin/ntsysvÃüÁîÀ´Ð޸ģº
Ö»ÐèÒª·þÎñÇ°ÃæÍ¨¹ý¿Õ¸ñ¼üÀ´Ñ¡ÔñÊÇ·ñÔÚϵͳÆô¶¯Ê±Æô¶¯¸Ã·þÎñ¾Í¿ÉÒÔʵÏֹرÕij¸ö·þÎñÆ÷£¬È磺ϣÍûϵͳ¹Ø±Õdhcpd·þÎñ£¬Ôòͨ¹ýÉÏϼüÑ¡Öи÷þÎñÆ÷£¬È»ºóͨ¹ý¿Õ¸ñ¼üÈ¥µô¸Ã·þÎñǰ[ ]ÄÚµÄÐǺż´±íʾϵͳÆô¶¯Ê±²»¿ª·Å¸Ã·þÎñ¡£ÈôÏ£ÍûÁ˽âij¸ö·þÎñµÄ¾ßÌ庬Ò壬¿ÉÒÔÑ¡Ôñ¸Ã·þÎñÒÔºó°´F1¼üÀ´²é¿´¸Ã·þÎñµÄº¬Òå¡£
ÉèÖÃÍê±ÏÒÔºó£¬Ö»ÓÐÏ£Íû´ò¿ªµÄ·þÎñǰµÄ[ ]ÄڲŻáÓÐÐǺš£È»ºóͨ¹ýTab¼üÑ¡ÔñOK£¬°´¿Õ¸ñ¼ü¡£ÖØÐÂÆô¶¯»úÆ÷¡£
ÖØÐÂÆô¶¯»úÆ÷ÒԺ󣬿ÉÒÔͨ¹ýÏÂÃæµÄÃüÁîÀ´²ì¿´ÏµÍ³´ò¿ªÁËÄÄЩ·þÎñ£¬À´¾ö¶¨ÊÇ·ñÒѾ­¹Ø±ÕÁ˲»ÐèÒªµÄ·þÎñ£¬ÀýÈçÎÒ½ö½öÏ£ÍûÌṩtelnet·þÎñÔò£º
[ideal@aid ideal]$ netstat -ln
Active Internet connections (only servers)
Proto Recv-


Ïà¹ØÎĵµ£º

LinuxϵͳԭÀí֪ʶ ½ø³ÌÇл»µÄ¸ÅÄî½éÉÜ

Ò»¡¢tast_struct½á¹¹
ËüÊÇÒ»¸öÊý¾Ý½á¹¹£¬¿ÉÒÔ˵£¬Ëü´ú±íÁËÒ»¸ö½ø³Ì¡£ËüÓкܶà×ֶΣ¬´óÌåÓÐһϼ¸ÖÖ£º
±êʶºÅ£º½ø³Ì±êʶ¡¢Óû§±êʶ¡¢×é±êʶ¡£
״̬£º LinuxµÄ½ø³ÌµÄËÄÖÖ»ù±¾×´Ì¬
µ÷¶ÈÐÅÏ¢£ºÓÅÏȼ¶¡¢Ê±¼äƬµÈ
½ø³ÌÁ´ÐÅÏ¢£º¸¸½ø³Ì¡¢×Ó½ø³ÌµÄÖ¸Õë
ÎļþÐÅÏ¢£º´ò¿ªÎļþ¡¢ÐéÄâÎļþϵͳ
ÉÏÏÂÎÄÐÅÏ¢£º½ø³ÌµÄÔËÐл·¾³ ......

Linux ͬ²½·½·¨ÆÊÎö

ÎÄÕÂÀ´Ô´:http://www.ibm.com/developerworks/cn/linux/l-linux-synchronization.html
¼¶±ð£º Öм¶
M. Tim Jones, ¹ËÎʹ¤³Ìʦ, Emulex
2007 Äê 11 ÔÂ 19 ÈÕ
ÔÚѧϰ Linux® µÄ¹ý³ÌÖУ¬ÄúÒ²Ðí½Ó´¥¹ý²¢·¢£¨concurrency£©¡¢ÁÙ½ç¶Î£¨critical section£©ºÍËø¶¨£¬µ«ÊÇÈçºÎÔÚÄÚºËÖÐʹÓÃÕâЩ¸ÅÄîÄØ£¿±¾ÎÄÌÖÂÛÁË 2.6 °æÄÚºËÖÐ ......

̽Ë÷ Linux ÄÚ´æÄ£ÐÍ

ÎÄÕÂÀ´Ô´:http://www.ibm.com/developerworks/cn/linux/l-memmod/index.html
¼¶±ð£º ³õ¼¶
Vikram Shukla (vikshukl@in.ibm.com), Èí¼þ¹¤³Ìʦ, IBM
2006 Äê 2 ÔÂ 23 ÈÕ
ÔÚÕâÆª Linux® ÄÚ´æÄ£ÐÍÖ¸ÄÏÖУ¬ÎÒÃǽ«Ñ§Ï°ÈçºÎ¹¹½¨ºÍ¹ÜÀíÄÚ´æ·½ÃæµÄ»ù´¡ÖªÊ¶¡£±¾Ö¸ÄϽéÉÜÁËÄÚ´æ¿ØÖÆµ¥Ôª¡¢·ÖҳģÐÍ·½ÃæµÄÄÚÈÝ£¬²¢Ïêϸ½éÉÜÁËÎïÀí ......

linux¹Ø»úÃüÁîÏê½â

   ÔÚlinuxÏÂһЩ³£ÓõĹػú/ÖØÆôÃüÁîÓÐshutdown¡¢halt¡¢reboot¡¢¼°init£¬ËüÃǶ¼
¿ÉÒÔ´ïµ½ÖØÆôϵͳµÄÄ¿µÄ£¬µ«Ã¿¸öÃüÁîµÄÄÚ²¿¹¤×÷¹ý³ÌÊDz»Í¬µÄ£¬Í¨¹ý±¾ÎĵĽéÉÜ£¬Ï£
ÍûÄã¿ÉÒÔ¸ü¼ÓÁé»îµÄÔËÓø÷ÖֹػúÃüÁî¡£
1.shutdown
   shutdownÃüÁȫµØ½«ÏµÍ³¹Ø»ú¡£ ÓÐЩÓû§»áʹÓÃÖ±½Ó¶ÏµôµçÔ´µÄ·½Ê ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ