Linux常见指令

 一、查看进程socket状态和数量

指令示例：netstat -ano|findstr 8855
TCP 192.168.9.195:3496 192.168.9.230:8855 TIME_WAIT 0
TCP 192.168.9.195:3499 192.168.9.230:8855 TIME_WAIT 0
TCP 192.168.9.195:3501 192.168.9.230:8855 TIME_WAIT 0
TCP 192.168.9.195:3502 192.168.9.230:8855 TIME_WAIT 0
TCP 192.168.9.195:3505 192.168.9.230:8855 TIME_WAIT 0
TCP 192.168.9.195:3506 192.168.9.230:8855 ESTABLISHED 992

二、查看服务器最大句柄数

指令示例：cat /proc/sys/fs/file -max
6553600