LinuxϵͳÐÅÏ¢²é¿´ÃüÁî´óÈ«
ϵͳ
# uname -a # ²é¿´ÄÚºË/²Ù×÷ϵͳ/CPUÐÅÏ¢
# head -n 1 /etc/issue # ²é¿´²Ù×÷ϵͳ°æ±¾
# cat /proc/cpuinfo # ²é¿´CPUÐÅÏ¢
# hostname # ²é¿´¼ÆËã»úÃû
# lspci -tv # ÁгöËùÓÐPCIÉ豸
# lsusb -tv # ÁгöËùÓÐUSBÉ豸
# lsmod # Áгö¼ÓÔØµÄÄÚºËÄ£¿é
# env # ²é¿´»·¾³±äÁ¿
×ÊÔ´
# free -m # ²é¿´ÄÚ´æÊ¹ÓÃÁ¿ºÍ½»»»ÇøÊ¹ÓÃÁ¿
# df -h # ²é¿´¸÷·ÖÇøÊ¹ÓÃÇé¿ö
# du -sh <Ŀ¼Ãû> # ²é¿´Ö¸¶¨Ä¿Â¼µÄ´óС
# grep MemTotal /proc/meminfo # ²é¿´ÄÚ´æ×ÜÁ¿
# grep MemFree /proc/meminfo # ²é¿´¿ÕÏÐÄÚ´æÁ¿
# uptime # ²é¿´ÏµÍ³ÔËÐÐʱ¼ä¡¢Óû§Êý¡¢¸ºÔØ
# cat /proc/loadavg # ²é¿´ÏµÍ³¸ºÔØ
´ÅÅ̺ͷÖÇø
# mount | column -t # ²é¿´¹Ò½ÓµÄ·ÖÇø×´Ì¬
# fdisk -l # ²é¿´ËùÓзÖÇø
# swapon -s # ²é¿´ËùÓн»»»·ÖÇø
# hdparm -i /dev/hda # ²é¿´´ÅÅ̲ÎÊý(½öÊÊÓÃÓÚIDEÉ豸)
# dmesg | grep IDE # ²é¿´Æô¶¯Ê±IDEÉ豸¼ì²â×´¿ö
Ïà¹ØÎĵµ£º
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
KS2009: How Google uses Linux
By Jonathan Corbet
October 21, 2009
LWN's 2009 Kernel Summit coverage
There may be no single organization which runs more Linux systems than Google. But the kernel development community knows little about how Google uses Linux and what sort of problems are ......
LINUXϲ鿴Apache²¢·¢ÇëÇóÊý¼°ÆäTCPÁ¬½Ó״̬ ÊÕ²Ø
2007-7-20 18:30 ÕÅÑç
²é¿´httpd½ø³ÌÊý£¨¼´preforkģʽÏÂApacheÄܹ»´¦ÀíµÄ²¢·¢ÇëÇóÊý£©£º
LinuxÃüÁ
ps -ef | grep httpd | wc -l
·µ»Ø½á¹ûʾÀý£º
¡¡¡¡1388
¡¡¡¡±íʾApacheÄܹ»´¦Àí1388¸ö²¢·¢ÇëÇó£¬Õâ¸öÖµApache¿É¸ù¾Ý¸ºÔØÇé¿ö×Ô¶¯µ÷Õû£¬ÎÒÕâ×é·þÎñÆ÷Ö ......
FTP>ascii: É趨ÒÔASCII·½Ê½´«ËÍÎļþ(ȱʡֵ)
FTP>bell: ÿÍê³ÉÒ»´ÎÎļþ´«ËÍ,±¨¾¯Ìáʾ.
FTP>binary: É趨ÒÔ¶þ½øÖÆ·½Ê½´«ËÍÎļþ.
FTP>bye: ÖÕÖ¹Ö÷»úFTP½ø³Ì,²¢Í˳öFTP¹ÜÀí·½Ê½.
FTP>case: µ±ÎªONʱ,ÓÃMGETÃüÁ±´µÄÎļþÃûµ½±¾µØ»úÆ÷ÖÐ,È«²¿×ª»»ÎªÐ¡Ð´×Öĸ.
FTP>cd: ͬUNIXµÄCDÃüÁî.
FTP>c ......