linuxÉÏcÓïÑÔ »ñµÃÍøÂç½Ó¿ÚµÄͳ¼ÆÖµ
Õâ¸ö¶«¶«£¬ÂùºÃÍæµÄ¡£Æäʵ¾ÍÊǶÁÈ¡ÁË/proc/net/dev Îļþ¡£
struct netdev_stats {
unsigned long long rx_packets_m; /* total packets received */
unsigned long long tx_packets_m; /* total packets transmitted */
unsigned long long rx_bytes_m; /* total bytes received */
unsigned long long tx_bytes_m; /* total bytes transmitted */
unsigned long rx_errors_m; /* bad packets received */
unsigned long tx_errors_m; /* packet transmit problems */
unsigned long rx_dropped_m; /* no space in linux buffers */
unsigned long tx_dropped_m; /* no space available in linux */
unsigned long rx_multicast_m; /* multicast packets received */
unsigned long rx_compressed_m;
unsigned long tx_compressed_m;
unsigned long collisions_m;
/* detailed rx_errors: */
unsigned long rx_length_errors_m;
unsigned long rx_over_errors_m; /* receiver ring buff overflow */
unsigned long rx_crc_errors_m; /* recved pkt with crc error */
unsigned long rx_frame_errors_m; /* recv'd frame alignment error */
unsigned long rx_fifo_errors_m; /* recv'r fifo overrun */
unsigned long rx_missed_errors_m;&nb
Ïà¹ØÎĵµ£º
linuxϾ²Ì¬¿âǶÌ×ʹÓÃ
Ç°ÌáÊÇÄã»áÔÚlinuxϵ÷Óþ²Ì¬¿âºÍ¶¯Ì¬¿âºÍMakfile±à³Ì(µ±È»²»»áMakfileÖ±½ÓÔÚÖÕ¶ËÃüÁîÒ²³É)
±¾ÀýÊÇÏÈÓÉStringLen.h,StringLen.cÉú³Élibrak.a
È»ºóÀûÓÃStringLen2.h£¬StringLen2.²¢µ÷ÓÃlibrak.aÉú³Élibrak2.a
×îºóÀûÓÃStringLen3.h,StringLen3.cµ÷ÓÃlibrak2.a Éú³Élibrak3.so
------------------ ......
Çл»µ½rootÓû§ÏÂ,
service iptables status ÓÃÓڲ鿴ÊÇ·ñÓпªÆô·À·½Ç½.
service iptables stop ÓÃÓڹرշÀ»ðǽ.
service iptables start ÓÃÓÚ´ò¿ª·À»ðǽ.
·À»ðǽµÄ¿ªÆôÓÐʱ»áÏÞÖÆÍⲿ·ÃÎÊ·þÎñÆ÷ÉϵĶ˿Úʧ°Ü. ......
RPM ÊÇ RedHat Package Manager µÄËõд£¬Èí¼þ°ü¹ÜÀí¹¤¾ß¡£
RPMÎļþÔÚLINUXϵͳÖеݲװ×îΪ¼ò±ã¡£
LinuxÈí¼þ°ü£¬³£¼ûµÄ¸ñʽ°üÀ¨ÓÐrpm,deb,tar,gz,tgz,zip,bz2µÈµÈ¡£¼¸ºõÿ¸ölinuxÈí¼þ¶¼»áÌṩtarµÄ¸ñʽµÄÈí¼þ°ü£¬
ÒòΪÕâÖÖ¸ñʽµÄÈí¼þ°üÈκΰ汾µÄlinux¶¼Ö§³Ö£¬ËùÒÔÖÁÉÙÒªÁ˽âtarºÍrpmµÃʹÓ÷½·¨¡£
rpm¿ÉνÊÇRedhat¹«Ë¾µ ......
Ï̳߳أº¼òµ¥µØ˵£¬Ïß³Ì³Ø ¾ÍÊÇÔ¤ÏÈ´´½¨ºÃÒ»ÅúỊ̈߳¬·½±ã¡¢¿ìËٵش¦ÀíÊÕµ½µÄÒµÎñ¡£±ÈÆð´«Í³µÄµ½À´Ò»¸öÈÎÎñ£¬¼´Ê±´´½¨Ò»¸öÏß³ÌÀ´´¦Àí£¬½ÚÊ¡ÁËÏ̵߳Ĵ´½¨ºÍ»ØÊյĿªÏú£¬ÏìÓ¦¸ü¿ì£¬Ð§Âʸü¸ß¡£
ÔÚlinuxÖУ¬Ê¹ÓõÄÊÇposixÏ߳̿⣬Ê×ÏȽéÉܼ¸¸ö³£Óõĺ¯Êý£º
1 Ï̵߳Ĵ´½¨ºÍÈ¡Ïûº¯Êý
pthread_create
´´½¨Ïß³Ì
pthread_join
º ......
RHEL5´î½¨DNS·þÎñÆ÷ʵÏÖÃû³Æ½âÎö ËÄ
(1)ÉèÖÃÕýÏò½âÎöÇøÓò
ÕýÏò½âÎöÇøÓòÓÃÓÚʵÏÖÓòÃûµ½IPµØÖ·Ö®¼äµÄת»»¡£ÏÂÃæÊÇÒ»¸öÕýÏò½âÎöÇøÓòµÄÅäÖÃÄÚÈݾÙÀý£º
zone “my.internal.com” {
type master;
&nbs ......