linuxϵͳÏÂrpm°üµÄ°²×°¡¢É¾³ý¡¢Ð§Ñé¡¢²éѯ
µãÆÀ£º°²×°Èí¼þ°ü rpm -i °üÈ«Ãû ɾ³ý rpm -e name(²»ÊǰüÃû) ²ÎÊý -ivh »ñµÃÒ»¸öÏêϸµÄ°²×°½ø³Ì --nodeps ºöÂÔÒÀÀµ¹ØÏµ --force Ç¿ÖÆ°²×° -U °üÃû:Éý¼¶°²×° -F ¸üв»¹ÜÊÇʲôֱ½Ó¸²¸Ç --replacepkgsÕâÑù RPM ½«ºöÂԸôíÎóÐÅÏ¢ -vih --repla
ÄÚÈÝÀ´×Ô: ½Å±¾Ö®¼Ò www.jb51.net
°²×°Èí¼þ°ü
rpm -i °üÈ«Ãû
ɾ³ý
rpm -e name(²»ÊǰüÃû)
²ÎÊý
-ivh »ñµÃÒ»¸öÏêϸµÄ°²×°½ø³Ì
--nodeps ºöÂÔÒÀÀµ¹ØÏµ
--force Ç¿ÖÆ°²×°
-U °üÃû:Éý¼¶°²×°
-F ¸üв»¹ÜÊÇʲôֱ½Ó¸²¸Ç
--replacepkgsÕâÑù RPM ½«ºöÂԸôíÎóÐÅÏ¢ -vih --replacepkgs
-q name :²éѯ
-qa²éѯËùÓÐÒѰ²×°µÄRPM
-qi name ²éѯÕâ¸öÈí¼þÏêϸÐÅÏ¢
-ql ÏÔʾÁбí
-qf path :²éѯһ¸öÎļþÊôÓÚÄĸö°ü
-qp °üÃû :²éÎļþÊÇʲô
-qpl °üÃû :Õë¶ÔÒ»¸öûװ¹ýµÄ°ü
rpm -qc ÅäÖÃÎļþ
ЧÑé rpm -Va
rpm -Vf /bin/ls
rpm -Vp °üÃû
5 -- MD5 УÑéºÍ
S -- Îļþ³¤¶È
L -- ·ûºÅÁ´½Ó
T -- ÎļþÐÞ¸ÄÈÕÆÚ
D -- É豸
U -- Óû§
G -- Óû§×é
M -- ģʽ (°üº¬Ðí¿ÉºÍÎļþÀàÐÍ)
? -- ²»¿É¶ÁÎļþ
Ïêϸ¿Î³Ì
ʹÓà RPM
RPM ÓÐÎå¸ö»ù±¾µÄ²Ù×÷ ģʽ(²»°üÀ¨°üµÄ±àÒë): °²×°£¬Ð¶ÔØ£¬Éý¼¶£¬²éѯ£¬Ð£Ñé¡£±¾½Ú½«¶ÔËüÃÇÒ»Ò»½éÉÜ¡£ÒªÁ˽âÍêÕûµÄϸ½ÚºÍÑ¡Ï¿ÉÒÔʹÓà rpm --help, »òתµ½ the section called ÆäËü RPM ×ÊÔ´ µÃµ½¸ü¶à¹ØÓÚ RPM µÄÐÅÏ¢¡£
1 °²×°
µäÐ굀 RPM ÓÐ×ÅÀàËÆ foo-1.0-1.i386.rpmÕâÑùµÄÃû³Æ, ÆäÖÐÖ¸Ã÷Á˰üÃû (foo), °æ±¾ºÅ (1.0), ·¢ÐкŠ(1), ºÍÓ²¼þƽ̨ (i386)¡£°²×°Ò»¸öÈí¼þ°üÖ»Ðè¼òµ¥µÄ¼üÈëÒÔÏÂÃüÁî:
# rpm -ivh foo-1.0-1.i386.rpm
foo ####################################
#
ÕýÈçÄúËù¿´µ½µÄ, RPM ½«»á´òÓ¡³öÈí¼þ°üµÄÃû×Ö ( ²¢²»Ò»¶¨ÒªÓëÎļþÃûÏàͬ, ¿ÉÄÜÊÇ 1.rpm), ¶
Ïà¹ØÎĵµ£º
1¡¢¼òµ¥²âÊÔʵÀý
for i in `find . -type f -name "*.c"`
do
echo $i
basename $i »ñÈ¡*.cÎļþÃû
dirname $i »ñÈ¡*.c¶ÔÓ¦µÄĿ¼Ãû
done
2¡¢Êµ¼ÊÓ¦ÓÃ
diff LinuxÔ´Â룬²¢½«Óв»Ò»ÑùµÄÔ´ÂëÕûÀíÔÚÒ»Æð£¬ÒªÇó£ºÎļþ ......
ÔÚLinuxÏÂÓÃbuildroot´î½¨mips/armµÄ½»²æ±àÒëÆ½Ì¨
Õâ¸ö±àÒë»·¾³ÊDz»ÄܱàÒëfor¿ªÔ´ÎÞÏß·ÓÉÆ÷µÄ³ÌÐòµÄ£¬ÒòΪÄÚºËÊÇ2.6µÄ
½¨Òé²Î¿¼ÕâÆª: http://www.felix021.com/blog/read.php?1467
ǰÁ½ÌìÂòÁËNetGear WRT614 V9£¬´îÔØµÄÊÇBroadcomµÄ200MHz MIPS´¦ÀíÆ÷¡£
ÓÉÓÚʹÓõÄÊÇ¿ªÔ´²Ù×÷ϵͳLinux£¬ËùÒÔ¿ÉÒÔË¢ÍøÉÏһЩNBµÄ ......
inux±ØÑ§µÄ60¸öÃüÁî
LinuxÌṩÁË´óÁ¿µÄÃüÁÀûÓÃËü¿ÉÒÔÓÐЧµØÍê³É´óÁ¿µÄ¹¤×÷£¬Èç´ÅÅ̲Ù×÷¡¢Îļþ´æÈ¡¡¢Ä¿Â¼²Ù×÷¡¢½ø³Ì¹ÜÀí¡¢ÎļþȨÏÞÉ趨µÈ¡£ËùÒÔ£¬ÔÚLinuxϵͳÉϹ¤×÷Àë²»¿ªÊ¹ÓÃϵͳÌṩµÄÃüÁî¡£ÒªÏëÕæÕýÀí½âLinuxϵͳ£¬¾Í±ØÐë´ÓLinuxÃüÁîѧÆð£¬Í¨¹ý»ù´¡µÄÃüÁîѧϰ¿ÉÒÔ½øÒ»²½Àí½âLinuxϵͳ¡£
²»Í¬Linux·¢ÐаæµÄÃüÁîÊýÁ¿² ......
Áù£ºkmem_cache_allocµÄʵÏÖ·ÖÎö:
ÎÒÃÇÔÚÉÏÃæ¿ÉÒÔ¿´µ½£¬´´½¨Ò»¸öcacheÃèÊö·ûµÄʱºò£¬²¢Ã»ÓÐÕâÖ®·ÖÅäslabÊý¾Ý¡£ÏÖÔÚÎÒÃÇÀ´¿´Ò»ÏÂÔõô´ÓcacheÖÐÉêÇë¶ÔÏó
void * kmem_cache_alloc (kmem_cache_t *cachep, int flags)
{
return __cache_alloc(cachep, flags);
}
ʵ¼ÊÉÏ»áµ÷ÓÃ__cache_allo ......
¾Å£º¼¸µã²¹³ä£º
1: SlabÖÐʹÓõÄÒ³Ãæ¶¼»á¼ÓÉÏ“PG_slab”±êÖ¾£¬ÒÔ¸úÒ»°ãµÄÒ³ÃæÇø±ð¡£ÁíÍ⣬ÔÚÊÍ·ÅÄÚ´æµÄʱºò£¬¾³£ÐèÒªÓõ½´ÓÒ³Ãæµ½slabµÄ¶ÔӦת»»¹ØÏµ¡£ÄÇÊÇÔõÑù±êʶµÄÄØ£¿
¹ØÓÚ±êÖ¾£º
×¢ÒâÓÐÒÔÏ´úÂ룺
static void *kmem_getpages(kmem_cache_t *cachep, int flags, int nodeid)
{
&n ......