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

Linuxϵͳdameon³ÌÐòµÄcore dumpÉèÖÃ

To enable dumps for every daemon:

ulimit -c unlimited >/dev/null 2>&1 (-c maximum size of core files)
ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0} >/dev/null 2>&1

Dump for system
:
DAEMON_COREFILE_LIMIT='unlimited'

The same for every daemon (in /etc/sysconfig/_daemon_): DAEMON_COREFILE_LIMIT='unlimited'

Dump for SUID programs:
echo 1 > /proc/sys/kernel/suid_dumpable

In /etc/sysctl.conf:
kernel.core_uses_pid = 1
kernel.suid_dumpable = 1

and sysctl -p


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
 Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......

LinuxÖÐwaitÓ÷¨


LinuxÖÐwaitÓ÷¨£º
ϵͳÖеĽ©Ê¬½ø³Ì¶¼ÒªÓÉwaitϵͳµ÷ÓÃÀ´»ØÊÕ¡£
º¯ÊýÔ­ÐÍ£º
#include<sys/types.h>
#include<sys/wait.h>
pid_t wait(int *status);
½ø³ÌÒ»µ©µ÷ÓÃÁËwait¾ÍÁ¢¼´×èÈû×Ô¼º£¬ÓÉwait×Ô¶¯·ÖÎöÊÇ·ñµ±Ç°½ø³ÌµÄij¸ö×Ó½ø³ÌÒѾ­Í˳ö£¬Èç¹ûÈÃËüÕÒµ½ÁËÕâÑùÒ»¸öÒѾ­±ä³É½©Ê¬µÄ×Ó½ø³Ì£¬wait¾Í»áÊÕ¼¯Õâ ......

Linux³£ÓÃÃüÁî(»ù´¡)

1£®¹ØÓÚÎļþ/Ŀ¼´¦ÀíµÄÖ¸Áî
1.1  ls Ö¸Áî
lsµÄÒâÒåΪ“list”£¬Ò²¾ÍÊǽ«Ä³Ò»¸öĿ¼ÏµÄÄÚÈÝÏÔʾ³öÀ´¡£
lsÓÐһЩ²ÎÊý£¬¿ÉÒÔ¸øÓèʹÓÃÕ߸ü¶àÓйصÄ×ÊѶ£¬ÈçÏ£º
-a£ºÔÚlinuxÖÐÈôÒ»¸öĿ¼»òÎļþÃû×ֵĵÚÒ»¸ö×ÖԪΪ“.”£¬ÔòʹÓÃls½«²»»áÏÔʾ³öÕâ¸öÎļþµÄÃû×Ö£¬ÎÒÃdzƴËÀàÎļþΪÒþ²ØÎļþ¡£Èç¹ûÎÒà ......

Linux USBÇý¶¯¿ò¼Ü·ÖÎö(ת£©

Linux USBÇý¶¯¿ò¼Ü·ÖÎö£¨Ò»£©
    ³õ´Î½Ó´¥ÓëOSÏà¹ØµÄÉ豸Çý¶¯±àд£¬¸Ð¾õ»¹Í¦ÓÐÒâ˼µÄ£¬ÎªÁ˲»ÖÁÓÚÍüµô¿´¹ýµÄ¶«Î÷£¬±Ê¼Ç¸ú×ܽᵱȻ²»¿Éȱ£¬¸üºÎ¿öÎÒ¾ö¶¨ÎªÇ¶ÈëʽÂôÃüÁË¡£ºÃ£¬ÑÔ¹éÕý´«£¬ÎÒ˵һ˵Õâ¶Îʱ¼äµÄÊÕ»ñ£¬¸ú´ó¼Ò·ÖÏíÒ»ÏÂLinuxµÄÇý¶¯¿ª·¢¡£µ«Õâ´ÎÖ»ÏÈÕë¶ÔLinuxµÄUSB×Óϵͳ×÷·ÖÎö£¬ÒòΪÖÜÎåÑÐÌÖÀϰå´ß» ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ