linux·þÎñÆ÷ÅäÖÃ
tftp·þÎñ£º
tftpÊǺÍxinetd·þÎñÓÐÒÀÀµ¹ØÏµµÄ£¬ËùÒÔ°²×°tftpµÄʱºò£¬ÒªÏȰ²×° xinted·þÎñ¡£
·¶Àý£º
/etc/xinetd.d/tftp
service tftp
{
disable = yes
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -s /data/ftp/tftpboot -c
per_source = 11
cps = 100 2
flags = IPv4
}
ÆäÖÐdisable=no ±íʾҪÆô¶¯¸Ã·þÎñ¡£
server_args = -s /data/ftp/tftpboot -c
-s /data/ftp/tftpboot ±íʾtftpµÄÖ÷Ŀ¼ÊÇ£º/data/ftp/tftpboot
-c±íʾ Èç¹ûĿ¼µ×ÏÂûÓÐÎļþÔò¿ÉÒÔ´´½¨Ëü£¨ÏµÍ³Ä¬ÈÏÈç¹ûÒªÉÏ´«Îļþ£¬±ØÐëÓÐÏàͬµÄÎļþÃû²ÅÐУ©
È»ºóÖ´ÐÐ/etc/init.d/xinetd restart ÖØÐÂÆô¶¯xinetd·þÎñ¡
Ïà¹ØÎĵµ£º
Ò»¡¢TCPÁ¬½Ó¹Ø±ÕµÄ¼¸ÖÖ·½Ê½£º
1¡¢“Õý³£”¹Ø±Õ£ºµ÷ÓÃclose()¹Ø±Õsocket¡¢Ã»closeµ«½ø³ÌÕý³£½áÊø(µ±È»ÕâÊDz»Ó¦¸ÃµÄ×ö·¨)¡¢½ø³Ìcoreµô¡¢ÔÚshellÃüÁîÐÐÖÐkillµô½ø³Ì£¬¶¼¿É³éÏó³É“Õý³£”¹Ø±Õ¡£ÒòΪ¼´Ê¹coreµô£¬ÄÚºËÒ²»áÂíÉϰïÓ¦ÓóÌÐò»ØÊÕ(close)socketÎļþÃèÊö·û¡£
“Õý ......
LinuxÐźÅÓжàÖÖ˵·¨¡£Ò»¸ö½ø³Ì´´½¨Ò»¸öÐźÅÓÃÓÚ·¢Ë͸øÁíÍâÒ»¸ö½ø³Ì½Ð×ö·¢ËÍÒ»¸öÐźţ¬Äں˴´½¨Ò»¸öÐźŽÐ×öÉú³ÉÒ»¸öÐźţ¬½ø³Ì×Ô¼ºÏò×Ô¼º·¢ËÍÐźŽÐ×ö»½ÆðÒ»¸öÐźš£²»¹ýÎÒ¿´Ò²Ã»±ØÒªÕâôѧ¾¿Æø¡£
Ðźż¯--signel set,Æäʵ¾ÍÊǽ«¶à¸öÐźŷÅÔÚ¼¯ºÏÖнøÐм¯ÖеĴ¦Àí¡£POSIX.1¶¨ÒåÁËsigset_tÒÔ°üºÒ»¸öÐźż¯£ ......
1. ²é¿´Äں˰汾ÃüÁ
1) [root@q1test01 ~]# cat /proc/version
Linux version 2.6.9-22.ELsmp (bhcompile@crowe.devel.redhat.com) (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)) #1 SMP Mon Sep 19 18:00:54 EDT 2005
2) [root@q1test01 ~]# uname -a
Linux q1test01 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 ......
×î½ü¿ªÊ¼×ªÏòLinux¿ª·¢£¬ÐèÒªÓõ½¶àÏ̡߳£ÉÏÍøÒ»²é£¬ÓеÄÈË˵LinuxûÓÐÏß³ÌÖ»Óнø³Ì£¬ÓеÄÈË˵Linuxµ±È»ÓÐỊ̈߳¬Ã»ÓÐÏß³Ìpthread¿âÊǸÉÂðµÄ£¿NPTLÓÖÊǸÉÂïÓã¿
¸öÈ˾õµÃ£¬Òª¿´´ÓÄĸö½Ç¶ÈÀ´¿´Õâ¸öÎÊÌâ¡£¶ÔÓÚÒ»°ãÓ¦ÓÃÈí¼þ¿ª·¢ÈËÔ±µÄ½Ç¶ÈÀ´¿´£¬¼ÈÈ»ÄÜÓÃpthread¿âÀ´´´½¨Ị̈߳¬ÒÔ¼°¿ÉÒÔ´¦ÀíÏ̼߳äµÄͨÐÅ£¬µ±È»¿ÉÒÔÈÏΪÔÚL ......
ǶÈëʽϵͳ´î½¨¹ý³ÌÖУ¬¶ÔÓÚϵͳƽ̨´î½¨¹¤³ÌʦÔÚÍê³ÉBootloader
µÄµ÷ÊÔÖ®ºó¾Í½øÈëKernel
²Ã¼õÒÆÖ²µÄ½×¶Î£¬ÆäÖÐ×îÖØÒªµÄÒ»²½ÊÇKernel
Æô¶¯µÄµ÷ÊÔ£¬ÔÚµ÷ÊÔKernel
¹ý³ÌÖÐͨ³£Óöµ½×î³£¼ûµÄÎÊÌâÊÇÆô¶¯Òì³£:
Uncompressing Linux............................................................
......................... ......