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 1¡¢´ò¿ªÖÕ¶Ë£¬Çл»µ½rootÓû§£¬ÊäÈ룺free -m²é¿´ÄÚ´æ×´Ì¬
[root@lxt lxt]# free -m
             total       used       free     shared    buffers     cached
Mem:           498        357        141          0         27        162
-/+ buffers/cache:        167        331
Swap:         1023          0       1023
2¡¢ÊäÈëdf -B M£¨»òdf -m£©²é¿´¸÷·ÖÇøµ±Ç°Ê¹ÓÃÇé¿ö
[root@lxt lxt]# df -B M
Îļþϵͳ               1M-¿é        ÒÑÓà    ¿ÉÓà ÒÑÓÃ% ¹ÒÔØµã
/dev/mapper/vg_lxt-lv_root
                        12875M     4059M     8162M  34% /
/dev/sda7                 194M       14M      170M   8% /boot
tmpfs                     250M        1M      249M   1% /dev/shm
£¨fdisk -l¿É²é¿´´ÅÅÌ·ÖÇøÇé¿ö£©
3¡¢Ñ¡ÔñÒ»¸ö½Ï´óµÄ·ÖÇø£¬½¨Á¢·ÖÇøÎļþ£º
[root@lxt lxt]# dd if=/dev/zero of=/swapadd bs=1024 co


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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

LinuxÏÂVNC ServerµÄÅäÖùý³Ì

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1. ÔËÐÐVNC Server.
[root@localhost ~]#vncserver
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You will require a password to access your desktops.
Password:          ----˵Ã÷£ºÎª°²È«Æð¼û£¬µ±µÚ1´ÎÆô¶¯VNC Serverʱ£¬»áÒªÇóÉèÖÃÔ¶³ÌÁ¬½ÓʱµÄÃÜÂë¡£
Verify:
New ‘X&r ......

linux µÄһЩÃüÁî




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arch ÏÔʾ»úÆ÷µÄ´¦ÀíÆ÷¼Ü¹¹(1)
uname -m ÏÔʾ»úÆ÷µÄ´¦ÀíÆ÷¼Ü¹¹(2)
uname -r ÏÔʾÕýÔÚʹÓõÄÄں˰汾
dmidecode -q ÏÔʾӲ¼þϵͳ²¿¼þ - (SMBIOS / DMI)
hdparm -i /dev/hda ÂÞÁÐÒ»¸ö´ÅÅ̵ļܹ¹ÌØÐÔ
hdparm -tT /dev/sda ÔÚ´ÅÅÌÉÏÖ´ÐвâÊÔÐÔ¶ÁÈ¡²Ù×÷
cat /proc/cpuinfo ÏÔʾCPU infoµÄ ......

linux ÖеÄstruct resource

linux¶Ô¹Ò½ÓÔÚ4G×ÜÏ߿ռäÉϵÄÉ豸ʵÌåµÄ¹ÜÀí·½Ê½ -- struct resource /usr/src/linux-2.6.21.5/include/linux/ioport.h struct resource { resource_size_t start; resource_size_t end; const char *name; unsigned long flags; struct resource *parent, *sibling, *child; }; struct resource_list { struct resource_li ......

LinuxÉÏÈçºÎ°²×° src.rpmÎļþ

 
°²×°.src.rpm
ÓÐЩÈí¼þ°üÊÇÒÔ.src.rpm½áβµÄ£¬ÕâÀàÈí¼þ°üÊǰüº¬ÁËÔ´´úÂëµÄrpm°ü£¬ÔÚ°²×°Ê±ÐèÒª½øÐбàÒë¡£ÕâÀàÈí¼þ°üÓÐÁ½ÖÖ°²×°·½·¨£º
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1.¡¡Ö´ÐÐrpm -i your-package.src.rpm
2.¡¡cd /usr/src/redhat/SPECS
3.¡¡rpmbuild -bp your-package.specs Ò»¸öºÍÄãµÄÈí¼þ°üͬÃûµÄspecsÎļþ
4.¡¡cd /usr/sr ......
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