Useful Linux Commands

How to view multi-core load on Linux?

# top #  Press the number  1 .  to display multiple cputop - 18:05:48 up 1 day after the   2:05,  1 user,  load average: 0.00, 0.00, 0.00tasks:  174 total,   1 running, 173 sleeping,   0 stopped ,    0 zombiecpu0  :  0.0%us,  0.0%sy,  0.0%ni, 100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%stcpu1  :   0.5%us,  0.5%sy,  0.0%ni, 98.9%id,  0.0%wa,  0.0%hi,   0.0%si,  0.0%stcpu2  :  0.0%us,  0.5%sy,  0.0%ni,  99.5%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%stcpu3  :   0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,   0.0%si,  0.0%stcpu4  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,   0.0%hi,  0.0%si,  0.0%stcpu5  :  0.0%us,  0.0%sy,   0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%stcpu6   :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,   0.0%hi,  0.0%si,  0.0%stcpu7  :  0.0%us,  0.0%sy,   0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%stMem:    5984824k total,   611628k used,  5373196k free,     26552k buffersSwap:  6291448k total,         0k used,  6291448k free,   400584k cached

View the status of some or a process?

1, get httpd process pid# pidof httpd213582, through the top designated to view specific pid# top-p 21358 # top-p Pid,pid,pid ...

View HDD uuid?

# # Method One # blkid## method two # ls-l/dev/disk/by-uuid

This article is from the "Share Your Knowledge" blog, so be sure to keep this source http://skypegnu1.blog.51cto.com/8991766/1657275

Useful Linux Commands