Ô¶³ÌÁ¬½ÓLinux £¨UbuntuÅäÖÃSSH·þÎñ£© ¶Ë¿Ú22
°²×°OpenSSH
UbuntuȱʡûÓа²×°SSH Server£¬Ê¹ÓÃÒÔÏÂÃüÁî°²×°£º
sudo apt-get install openssh-server openssh-client
²»¹ýUbuntuȱʡÒѾ°²×°ÁËssh client¡£
ÅäÖÃÍê³ÉºóÖØÆð£º
sudo /etc/init.d/ssh restart
windows ¿Í»§¶ËÓÃputtyÁ¬½ÓÃüÁîshellģʽ
Ïà¹ØÎĵµ£º
LinuxµÄϵͳµ÷ÓÃÊÇͨ¹ýÖжÏÀ´ÊµÏֵ쬴ÓÓû§Ì¬½øÈëϵͳ̬¡£Óû§Ì¬ºÍϵͳ̬ÓкÜÇåÎúµÄÇø·Ö£¬±£Ö¤Á˰²È«¡£ÏµÍ³µ÷ÓñíÊÇϵͳµ÷ÓõÄÌø×ª±í¡£Ê¹ÓüĴæÆ÷´«µÝ²ÎÊý£¬¶ø²»ÊÇÕ»£¬ÒòΪÓû§Ì¬ÊÇÎÞ·¨·ÃÎÊϵͳջµÄ¡£µØÖ·´íÎóÊÇͨ¹ýÒ³ÃæÒì³£À´´¦ÀíµÄ¡£
LinuxÄں˲¢²»Ö§³ÖÕæÕýÒâÒåÉϵÄỊ̈߳¬
LinuxThreads
ÊÇÓÃÓëÆÕͨ½ø³Ì¾ßÓÐͬÑùÄÚºË ......
Èý¡¢VMAºÍPAGE½á¹¹ ºÍmmapº¯Êý
1.page Ö÷Òª³ÉÔ±
atomic_t count;
//Õâ¸öÒ³µÄÒýÓÃÊý. µ±Õâ¸ö count µôµ½ 0, ÕâÒ³±»·µ»Ø¸ø¿ÕÏÐÁбí.
void *virtual;
//Èç¹ûÒ³±»Ó³É䣬Ôò±íʾÕâÒ³µÄÄÚºËÐéÄâµØÖ·; ·ñÔò, NULL.
unsigned long flags;
//ÃèÊöҳ״̬µÄÒ»Ì×λ±êÖ¾. ÕâЩ°üÀ¨ ......
¸Å¶øÑÔÖ®£¬virtio
ÊǰëÐéÄ⻯ hypervisor ÖÐλÓÚÉ豸֮ÉϵijéÏó²ã¡£virtio
ÓÉ Rusty Russell ¿ª·¢£¬Ëûµ±Ê±µÄÄ¿µÄÊÇÖ§³Ö×Ô¼ºµÄÐéÄ⻯½â¾ö·½°¸ lguest
¡£±¾ÎÄÔÚ¿ªÆªÊ±½éÉܰëÐéÄ⻯ºÍÄ£ÄâÉ豸£¬È»ºó̽Ë÷ virtio
µÄϸ½Ú¡£±¾ÎĵÄÖØµãÊÇÀ´×Ô 2.6.30 Äں˷¢ÐаæµÄ virtio
¿ò¼Ü¡£
Linux ÊÇ hypervisor չ̨¡£ÈçÎÒµÄ ÆÊÎö ......
1 ¡¢°²×°Ç°µÄ×¼±¸
1.1 ¼ì²éÓ²¼þ
ÎïÀíÄڴ棺 # grep MemTotal /proc/meminfo
½»»»¿Õ¼ä£º # grep SwapTotal /proc/meminfo
½»»»¿Õ¼äµÄ´óСÊǸù¾ÝÎïÀíÄÚ´æµÄ´óСÀ´ÉèÖõģ¬ÎïÀíÄÚ´æÉÙÓÚ 2G µÄÔò½»»»¿Õ¼äÉèΪÎïÀíÄÚ´æµÄÁ½±¶£¬ÎïÀíÄÚ´æ´óÓÚ 2G µÄÔò½»»»¿Õ¼äºÍÎïÀíÄÚ´æ´óСһÑù¡£Èç¹û²»·ûºÏÉÏÊö¹æ¶¨£¬ÄÇô¾ÍÐèÒªÖØÐÂÉèÖý ......
#pacman -S openssh #°²×°openssh
°²×°Íê³ÉºóÔÚ/etc/rc.confµÄ×îµ×²¿DAEMONSºóÌí¼ÓsshdÈÃϵͳÆô¶¯Ê±×Ô¶¯Æô¶¯openssh
DAEMONS=(syslog-ng network netfs crond sshd)
Ò²¿ÉÊÖ¶¯Æô¶¯openssl,Ö´ÐÐ
#/etc/inin.d/sshd start
ĬÈÏÇé¿öÏÂÆäËüµçÄÔÊDz»ÄÜͨ¹ýsshÀ´·ÃÎÊarchlinuxµÄ,ÐèÒªÐÞ¸ÄÁ½¸öÎļþÀ´ÊµÏÖ:
/etc/h ......