Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linuxϲ鿴java·¾¶

ÓÃÃüÁî whereis java¾Í¿ÉÒÔ¿´µ½ÁË
eg:
-bash-3.1$ whereis java
java: /usr/bin/java /etc/java /usr/lib/java /usr/share/java /opt/jdk1.6.0_01/bin/java

Èç¹û½ö½öÏëÖªµÀjavaÖ´Ðз¾¶ÔÚÄÇÀïµÄ»° ÓÃwhich java¾Í¿ÉÒÔÁË
eg:
-bash-3.1$ which java
/usr/bin/java


Ïà¹ØÎĵµ£º

LinuxÏÂgrepʹÓÃÏêϸ½éÉÜ


1. grep¼ò½é
grep £¨global search regular expression(RE) and print out the line,È«ÃæËÑË÷ÕýÔò±í´ïʽ²¢°ÑÐдòÓ¡³öÀ´£©ÊÇÒ»ÖÖÇ¿´óµÄÎı¾ËÑË÷¹¤¾ß£¬ËüÄÜʹÓÃÕýÔò±í´ïʽËÑË÷Îı¾£¬²¢°ÑÆ¥ÅäµÄÐдòÓ¡³öÀ´¡£UnixµÄgrep¼Ò×å°ü À¨grep¡¢egrepºÍfgrep¡£egrepºÍfgrepµÄÃüÁîÖ»¸úgrepÓкÜС²»Í¬¡£egrepÊÇgrepµÄÀ©Õ¹£¬Ö§³Ö¸ü¶ ......

ʹÓÃQemuÀ´µ÷ÊÔlinuxÄÚºË

QemuÊÇÒ»¸öÓÅÐãµÄ¿ªÔ´ISAÄ£ÄâÆ÷£¬Ö§³ÖºÜ¶àÌåϵ½á¹¹£¬µ±È»°üÀ¨x86¡£QemuÌṩµ÷ÊÔ¹¦ÄÜ£¬¿ÉÒÔ¶Ô±»Ä£Äâ½øÐе÷ÊÔ¡£
QemuÖ÷Ò³http://fabrice.bellard.free.fr/qemu/
QemuÏÂÔØÒ³Ãæhttp://fabrice.bellard.free.fr/qemu/download.html °üÀ¨Ô´Â룬¿ÉÖ´ÐÐÎļþ£¬ÒÑÖÆ×÷ºÃµÄdisk fileµÈ
QemuÓÐʹÓÃ˵Ã÷Îĵµhttp://fabrice.bella ......

linux /proc/loadavg Îļþ½éÉܼ°Ó¦ÓÃ

¸ÃÎļþÖеÄËùÓÐÖµ¶¼ÊÇ´ÓϵͳÆô¶¯¿ªÊ¼ÀۼƵ½µ±Ç°Ê±¿Ì¡£¸ÃÎļþÖ»¸ø³öÁËËùÓÐCPUµÄ¼¯ºÏÐÅÏ¢£¬²»Äܸóöÿ¸öCPUµÄÐÅÏ¢¡£
[root@localhost ~]# cat /proc/loadavg
4.61 4.36 4.15 9/84 5662
ÿ¸öÖµµÄº¬ÒåΪ£º
²ÎÊý ½âÊÍ
lavg_1 (4.61) 1-·ÖÖÓƽ¾ù¸ºÔØ
lavg_5 (4.36) 5-·ÖÖÓƽ¾ù¸ºÔØ
lavg_15(4.15) 15-·ÖÖÓƽ¾ù¸ºÔØ
nr_run ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ