观察 cpu 频率变化 watch -n4.2 “cat /proc/cpuinfo | grep \”^[c]pu MHz\””
Category: linux
rpm 与 yum 常用查询功能
` ldd /usr/bin/rados |awk ‘{print $3}’|grep ‘^/’ |xargs -i rpm -qf {}|xargs -i rpm -qi {} `
笔记_CPU缓存知识
记录一下 cpu cache 相关内容,主要来自于[COOLSHELL – 与程序员相关的CPU缓存知识](https://coolshell.cn/articles/20793.html)
outline accesskey format
ss://base64(method:passwod)@server-address:port
查看tcp 队列
查看队列溢出 netstat -s | egrep “listen|LISTEN” ;全连接队列溢出次数： 41696 times the listen queue of a socket overflowed ;半连接队列溢出次数: 41696 SYNs to LISTEN sockets dropped