¾É°æ±¾linuxÄÚºËÉý¼¶µ½Ð°汾Äں˱àÒëÑ¡Ôñ
general setup
---> enable deprecated sysfs features which may confuse old
userspace tools
insmod: error inserting '/lib/dm-region-hash.ko' : -1 File exists
½â¾ö
cp /boot/initrd-2.6.x.img /tmp
cd /tmp
mkdir newinitrd
cd newinitrd/
zcat ../initrd-2.6.x.img |cpio -i
ϱ߾ÍÊDZà¼init£¬É¾µôÆäÖÐÖØ¸´µÄËÄÐÐÖеÄÁ½ÐÐ
echo "Loading dm-region-hash.ko module"
insmod
/lib/dm-region-hash.ko
echo "Loading dm-region-hash.ko module"
insmod
/lib/dm-region-hash.ko
ÖØÐ´ò°üinitrd
find .|cpio -c -o > ../initrd
cd ..
gzip -9 < initrd > initrd.img
ºÃÁË£¬initrd.img¾ÍÊÇÖØÐ´ò°üµÄinitrdÁË£¬È»ºó°Ñinitrd.img¿½±´µ½/boot£¬¸ü¸Ägrub.confÀï±ßµÄ
initrd-2.6.x.imgΪinitrd.img¾Í¿ÉÒÔÁË£¬ÕâÑù“insmod: error inserting
'/lib/dm-region-hash.ko' : -1 File exists” ¾Í²»»áÓÐÁË
Æäʵ½«initÎļþµÄµÚ¶þÐÐ
“setquiet” È¥µô£¬Äã¾ÍÖªµÀinitrdÎļþµ½µ×ÔÚ×öʲôÁË
Ïà¹ØÎĵµ£º
select()µÄ»úÖÆÖÐÌṩһfd_setµÄÊý¾Ý½á¹¹£¬Êµ¼ÊÉÏÊÇÒ»longÀàÐ͵ÄÊý×飬 ÿһ¸öÊý×éÔªËØ¶¼ÄÜÓëÒ»´ò¿ªµÄÎļþ¾ä±ú£¨²»¹ÜÊÇSocket¾ä±ú,»¹ÊÇÆäËû Îļþ»òÃüÃû¹ÜµÀ»òÉ豸¾ä±ú£©½¨Á¢ÁªÏµ£¬½¨Á¢ÁªÏµµÄ¹¤×÷ÓɳÌÐòÔ±Íê³É£¬ µ±µ÷ÓÃselect()ʱ£¬ÓÉÄں˸ù¾ÝIO״̬ÐÞ¸Äfd_setµÄÄÚÈÝ£¬ÓÉ´ËÀ´Í¨ÖªÖ´ ÐÐÁËselect()µÄ½ø³ÌÄ ......
M. Tim Jones, ¹ËÎʹ¤³Ìʦ, Emulex Corp.
2009 Äê 4 ÔÂ 07 ÈÕ
Linux® ÄÚºËʹÓà GNU Compiler Collection (GCC) Ì×¼þµÄ¼¸¸öÌØÊ⹦ÄÜ¡£ÕâЩ¹¦ÄܰüÀ¨Ìṩ¿ì½Ý·½Ê½ºÍ¼ò»¯ÒÔ¼°Ïò±àÒëÆ÷ÌṩÓÅ»¯ÌáʾµÈµÈ¡£Á˽âÕâÐ©ÌØÊâµÄ GCC ÌØÐÔ£¬Ñ§Ï°ÈçºÎÔÚ Linux ÄÚºËÖÐʹÓÃËüÃÇ¡£
GCC ºÍ Linux ÊdzöÉ«µÄ×éºÏ¡£¾¡¹ÜËüÃÇÊǶÀÁ¢µÄÈí¼þ ......
ÎÒÓõÄLinuxϵͳÊÇUbuntu 10.04
Ê×ÏÈ, °²×°wxWidgets 2.8. ĿǰwxWidgetsÓÐÁ½¸öÎȶ¨°æ±¾, 2.6ºÍ2.8, ÎÒÃÇÑ¡×îеÄ. ´ò¿ª “Ubuntu
Èí¼þÖÐÐÄ”, ÔÚËÑË÷¿òÀïÊäÈë “wxWidgets”, °ÑÏÂÃæ¼¸¸öÃû×ÖÒÔ”wxWidgets Cross-platform C++ GUI
toolkit”¿ªÍ·µÄÈ«²¿°²×°. ×°Íêºó, ´ò¿ªÒ»¸öÖÕ¶Ë, ÊäÈ ......
Linux/UNIX C++¸ß¼¶Åàѵ---Ô¶³Ì°à
http://www.xuanyuan-soft.cn/index.php?option=com_content&view=article&id=84&Itemid=85
¿Î³Ì¸ÅÒª
ÅàÑøÄ¿±ê
£ºLinux/UNIX C++Èí¼þ¹¤³Ìʦ
רעLinux/UNIX·þÎñÆ÷¶ËµÄÈí¼þ¿ª·¢£¨ºǫ́¿ª·¢£©£¬ÅàÑøÆóÒµËùÐèµÄרҵLinux/UNIX C ......
1,˵Ã÷:
ulimitÓÃÓÚshellÆô¶¯½ø³ÌËùÕ¼ÓõÄ×ÊÔ´.
2,Àà±ð:
shellÄÚ½¨ÃüÁî
3,Óï·¨¸ñʽ:
ulimit [-acdfHlmnpsStvw] [size]
4,²ÎÊý½éÉÜ:
-H ÉèÖÃÓ²¼þ×ÊÔ´ÏÞÖÆ.
-S ÉèÖÃÈí¼þ×ÊÔ´ÏÞÖÆ.
-a ÏÔʾµ±Ç°ËùÓеÄ×ÊÔ´ÏÞÖÆ.
-c size:ÉèÖÃcoreÎļþµÄ×î´óÖµ.µ¥Î»:blocks
-d size:ÉèÖÃÊý¾Ý¶ÎµÄ×î´óÖµ.µ¥Î»:kbytes
-f size:ÉèÖô´½¨ ......