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linux 2.6Ô´´úÂëÇé¾°·ÖÎö±Ê¼ÇÖ®½ø³Ì11

Ϻ¯Êý£¬´´½¨½ø³ÌÃèÊö·ûÒÔ¼°×Ó½ø³ÌÖ´ÐÐËùÐèÒªµÄËùÓÐÆäËûÊý¾Ý½á¹¹¡£²ÎÊýÓëdo_fork()µÄ²ÎÊýÏàͬ£¬Íâ¼Ó×Ó½ø³ÌµÄpid¡£
static task_t *copy_process(unsigned long clone_flags,unsigned long stack_start,struct pt_regs *regs,unsigned long stack_size,int __user *parent_tidptr,int __user *child_tidptr,int pid)
{
        int retval;
        struct task_struct *p = NULL;
        if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
                return ERR_PTR(-EINVAL);
        if ((clone_flags & CLONE_THREAD) && !(clone_flags & CLONE_SIGHAND))
                return ERR_PTR(-EINVAL);
        if ((clone_flags & CLONE_SIGHAND) && ......

linux ÄÚ´æÑ°Ö·

1 ÎïÀíµØÖ·¡¢ÐéÄâµØÖ·¼°ÏßÐÔµØÖ·
ÎïÀíµØÖ·£ºÖ÷°åÉÏÎïÀíÄÚ´æËùÌṩµÄÄÚ´æ¿Õ¼ä¶¨ÒåΪÎïÀíÄÚ´æ¿Õ¼ä£¬ÆäÖÐÿ¸öÄÚ´æµ¥ÔªµÄʵ¼ÊµØÖ·¾ÍÊÇÎïÀíµØÖ·£»
ÐéÄâµØÖ·£ºÓ¦ÓóÌÐòÔ±¿´µ½ÄÚ´æµØÖ·¿Õ¼äΪÐéÄâµØÖ·¿Õ¼ä»òµØÖ·¿Õ¼ä£¬ÆäÖеĵØÖ·ÎªÐéÄâµØÖ·£»
ÏßÐÔµØÖ·£º32λµÄ»úÆ÷£¬ÏßÐÔµØÖ·¿Õ¼äΪһ¶ÎÁ¬ÐøµÄ·¶Î§Îª0¡«4GBµÄµØÖ·¿Õ¼ä£¬ÆäÖеĵØÖ·ÎªÏßÐÔµØÖ·¡£
2 ÐéÄâµØÖ·µ½ÎïÀíµØÖ·µÄ¹ý³Ì
ÄÚ´æÑ°Ö·µÄ¹ý³Ì¿ÉÒÔ¼òµ¥Àí½âΪÐéÄâµØÖ·µ½ÎïÀíµØÖ·µÄת»»¹ý³Ì¡£³ÌÐòÔ±ËùʹÓõÄÐéÄâµØÖ·£¬²¢²»ÊÇÖ±½ÓË͵½ÄÚ´æ×ÜÏߣ¬¶øÊDZ»Ë͵½ÄÚ´æ¹ÜÀíµ¥Ôª£¨MMU£¬ÓÉÒ»¸ö»òÒ»×éоƬ×é³ÉÊÇÒ»ÖÖÓ²¼þµç·£¬ÊµÏÖÐéÄâµØÖ·µ½ÎïÀíµØÖ·µÄת»»£©¡£MMU°üÀ¨·Ö¶Î»úÖÆºÍ·ÖÒ³»úÖÆ£¬·Ö¶ÎʵÏÖÐéÄâµØÖ·µ½ÏßÐÔµØÖ·µÄת»»£¬¶ø·ÖÒ³ÔòʵÏÖÏßÐÔµØÖ·µ½ÎïÀíµØÖ·µÄת»»¡£
3 ·Ö¶Î»úÖÆºÍ·ÖÒ³»úÖÆ
linuxÖеĶÎÊÇÕû¸öÏßÐÔµØÖ·µÄ¿Õ¼ä£¬¶ÎµÄ»ùµØÖ·ÉèΪ0£¬¶ø¶ÎµÄ½çÏÞΪ4GB¡£ÕâʱÐéÄâµØÖ·µÄ±íʾ£º¶Î»ùµØÖ·£«Æ«ÒÆÁ¿£¬¼´µÈ¼ÛÓÚ0£«Æ«ÒÆÁ¿£½ÏßÐÔµØÖ·£¬¼´linuxÖеÄÐéÄâµØÖ·¿Õ¼ä¾ÍÊÇÏßÐÔµØÖ·¿Õ¼ä£¬ÐéÄâµØÖ·¾ÍÊÇÏßÐÔµØÖ·¡£
·ÖÒ³ÔÚIA32Öбê×¼´óСΪ4KB¡£linuxµÄ·ÖÒ³»úÖÆ²ÉÓÃÈý¼¶·Öҳģʽ£¬Ò³Ä¿Â¼£¬ÖмäĿ¼£¬Ò³±í¡£ÐéÄâ´æ´¢µÄʵÏÖÒ²ÊÇ»ùÓÚ·ÖÒ³»úÖÆÀ´ÊµÏֵġ£ ......

linuxÏÂmd5sumµÄʹÓÃ

MD5Ëã·¨³£³£±»ÓÃÀ´ÑéÖ¤ÍøÂçÎļþ´«ÊäµÄÍêÕûÐÔ£¬·ÀÖ¹Îļþ±»È˴۸ġ£MD5 È«³ÆÊDZ¨ÎÄÕªÒªËã·¨£¨Message-Digest Algorithm 5£©£¬´ËËã·¨¶ÔÈÎÒⳤ¶ÈµÄÐÅÏ¢Öðλ½øÐмÆË㣬²úÉúÒ»¸ö¶þ½øÖƳ¤¶ÈΪ128λ£¨Ê®Áù½øÖƳ¤¶È¾ÍÊÇ32룩µÄ“Ö¸ÎÆ”£¨»ò³Æ“±¨ÎÄÕªÒª”£©£¬²»Í¬µÄÎļþ²úÉúÏàͬµÄ±¨ÎÄÕªÒªµÄ¿ÉÄÜÐÔÊǷdz£·Ç³£Ö®Ð¡µÄ¡£
ÔÚlinux»òUnixÉÏ£¬md5sumÊÇÓÃÀ´¼ÆËãºÍУÑéÎļþ±¨ÎÄÕªÒªµÄ¹¤¾ß³ÌÐò¡£Ò»°ãÀ´Ëµ£¬°²×°ÁËLinuxºó£¬¾Í»áÓÐmd5sumÕâ¸ö¹¤¾ß£¬Ö±½ÓÔÚÃüÁîÐÐÖÕ¶ËÖ±½ÓÔËÐС£
1¡¢Ê¹ÓÃmd5sumÀ´²úÉúÖ¸ÎÆ£¨±¨ÎÄÕªÒª£©ÃüÁîÈçÏ£º

md5sum file > file.md5
md5sum file >>file.md5
Ò²¿ÉÒ԰Ѷà¸öÎļþµÄ±¨ÎÄÕªÒªÊä³öµ½Ò»¸ömd5ÎļþÖУ¬ÕâҪʹÓÃͨÅä·û*£¬±ÈÈçijĿ¼ÏÂÓм¸¸öisoÎļþ£¬Òª°ÑÕ⼸¸öisoÎļþµÄÕªÒªÊä³öµ½iso.md5ÎļþÖУ¬ÃüÁîÈçÏ£º

md5sum *.iso > iso.md5
2¡¢Ê¹ÓÃmd5±¨ÎÄÕªÒªÑéÖ¤Îļþ£¬·½·¨Óжþ£º
°ÑÏÂÔØµÄÎļþfileºÍ¸ÃÎļþµÄfile.md5±¨ÎÄÕªÒªÎļþ·ÅÔÚͬһ¸öĿ¼Ï£¬È»ºóÓÃÈçÏÂÃüÁî½øÐÐÑéÖ¤£º
md5sum -c file.md5
È»ºóÈç¹ûÑéÖ¤³É¹¦£¬Ôò»áÊä³ö:ÕýÈ·
You can using the follow method to verify whether the sended file was distoried:
1.Lo ......

LinuxµÄÍøÂçÅäÖÃ

LinuxµÄÍøÂçÅäÖÃ
Redhat LinuxµÄÍøÂçÅäÖ㬻ù±¾ÉÏÊÇͨ¹ýÐ޸öÅäÖÃÎļþÀ´ÊµÏֵģ¬ËäȻҲ¿ÉÒÔÓÃifconfigÀ´ÉèÖÃIP£¬ÓÃrouteÀ´ÅäÖÃĬÈÏÍø¹Ø£¬ÓÃhostnameÀ´ÅäÖÃÖ÷»úÃû£¬µ«ÊÇÖØÆôºó»á¶ªÊ§¡£
Ïà¹ØµÄÅäÖÃÎļþ
    /ect/hosts ÅäÖÃÖ÷»úÃûºÍIPµØÖ·µÄ¶ÔÓ¦
    /etc/sysconfig/network ÅäÖÃÖ÷»úÃûºÍÍø¹Ø
    /etc/sysconfig/network-scripts/ifcfg-eth0 eth0ÅäÖÃÎļþ£¬eth1ÔòÎļþÃûΪifcfg-eth1£¬ÒÔ´ËÀàÍÆ
Ò»¡¢Íø¿¨ÅäÖÃ
¼ÙÉèÎÒÃÇÒªÅäÖÃÖ÷»úÃûΪtest£¬eth0µÄIPµØÖ·192.168.168.1/24£¬Íø¹ØµØÖ·192.168.168.250
Ôò/etc/sysconfig/networkÎļþÄÚÈÝÈçÏ£º
    NETWORKING=yes
    HOSTNAME=test
    GATEWAY=192.168.168.250
eth0¶ÔÓ¦µÄÅäÖÃÎļþ/etc/sysconfig/network-scripts/ifcfg-eth0ÄÚÈÝÈçÏ£º
    DEVICE=eth0
    BOOTPROTO=static
    IPADDR=192.168.168.1
    NETMASK=255.255.255.0
    TYPE=Ethernet
    ONBOOT=yes
¶þ¡¢µ¥Íø¿¨°ó¶¨¶à¸öIP
ÓÐʱ£¬ÎÒÃÇÐèÒªÔÚ ......

linux ubuntu ϵͳÆô¶¯·þÎñÉèÖÃ

Ê×ÏÈÊǰ²×°
sudo apt-get install sysv-rc-conf
È»ºóÔÚÖÕ¶Ë sudo sysv-rc-conf
ÔÚÕâ¸öÈí¼þÀ¿ÉÒÔÓüüÅ̵ķ½Ïò¼üÒÆ¶¯£¬Óÿոñѡȡ£¬Ò²¿ÉÒÔÖ±½ÓÓÃÊó±êѡȡ£¬×îºóÓÃq±£´æÍ˳ö£¬Ò»ÏÂÁгö·þÎñµÄÃû³ÆºÍ»ù±¾µÄ½âÊÍ¡£
´úÂë:
acpi-suppÕâ¸öÊǹØÓÚµçÔ´Ö§³ÖµÄĬÈÏÊÇ1,2,3,4,5ÏÂÆô¶¯£¬ÎÒÈÏΪÄã¿ÉÒÔ°ÑËüµ÷Õûµ½s¼¶±ð¡£
acpid acpiµÄÊØ»¤³ÌÐò£¬Ä¬ÈÏÊÇ2£­5¿ªÆô£¬ÎÒÈÏΪ¿ÉÒÔ²»Óùܡ£
alsa-utils Õâ¸ö·þÎñËÆºõÈ¡´úÁËalsa£¬ËùÒÔ¿ªÆôÕâ¸ö¾Í¿ÉÒÔÁË£¬ÎÒÔÚS¼¶±ð¿ªÆôËü¡£
anacron ÕâÊÇÒ»¸öÓÃÓÚÖ´Ðе½Ê±¼äûÓÐÖ´ÐеijÌÐòµÄ·þÎñ£¬ÎÒÈÏΪËüÎÞËùν£¬ËùÒÔ¹ØÁËËü£¬Õâ¸ö¿ÉÒÔËæ±ã¡£
apmd Ò²ÊÇÒ»ÖÖµçÔ´¹ÜÀí£¬ÎÒÈÏΪµçÄÔÈç¹û²»ÊǺÜÀÏ£¬Ëü¾ÍûÓпªÆôµÄ±ØÒªÁË¡£
atd ºÍanacronÀàËÆ£¬ÎÒ°ÑËü¹ØÁË¡£
bluetooth´«ËµÖеÄÀ¶ÑÀ·þÎñ£¬È»ºóÒź¶ÎÒûÓУ¬ËùÒÔ¹ØÁË¡£
bootlogd ËÆºõʹÓÃÀ´Ð´logµÄ£¬°²È«ÆÚ¼ä¿ª×ÅËûÒ²Ðí±È½ÏºÃ¡£
cron Ö¸¶¨Ê±¼äÔËÐгÌÐòµÄ·þÎñ£¬ËùÒÔ¿ª×űȽϺõġ£
cupsys ´òÓ¡»ú·þÎñ£¬ËùÒÔÈç¹ûÄãÓУ¬¾Í¿ªÆô°É¡£
dbus ÏûÏ¢×ÜÏßϵͳ£¬·Ç³£ÖØÒª£¬Ò»¶¨Òª¿ª¡£
dns-clean ²¦ºÅÁ¬½ÓÓõģ¬Èç¹û²»Ó㬾͹ØÁËËü¡£
evms ÆóÒµ¾í¹ÜÀíϵͳ£¬ÓÉÓÚÎÒ²¢²»Ã÷°×ʲô½Ð×öÆóÒµ¾í£¬ËùÒÔÎÒ¹ØÁËËü¡£
fetchmail ÓÃÓÚÓÊ ......

linuxĿ¼¼Ü¹¹

linuxĿ¼¼Ü¹¹
/       ¸ùĿ¼
/bin         ³£ÓõÄÃüÁî   binary   file   µÄÄ¿錄
/boot       ´æ·ÅϵͳÆô¶¯Ê±±ØÐë¶ÁÈ¡µÄµµ°¸£¬°üÀ¨ºËÐÄ   (kernel)   ÔÚÄÚ
          /boot/grub/menu.lst       GRUBÉèÖÃ
          /boot/vmlinuz       ÄÚºË
          /boot/initrd           ºËÐĽâ壓縮ËùÐè   RAM   Disk
/dev         ϵͳÖܱßÉ豸          
/etc         ϵͳÏà¹ØÉ趨Îļþ
          /etc/DIR_COLORS       É趨ÑÕÉ«
          /etc/HOSTNAME       É趨Óû§µÄ½ÚµãÃû
          /etc/NETWORKING       Ö»ÓÐYES±êÃ÷ÍøÂç´æÔÚ
          /etc/host.conf   Îļþ˵à ......
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