前言:本笔记仅记录学习记录,可能存在错误!!!使用的环境是Ubuntu Desktop 20.04,也有用Windows 10 操作的,根据的文档是minikube的文档教程,链接:https://minikube.sigs.k8s.io/docs/start/ ,使用此文档教程之前请确保已经安装了容器引擎,如Docker,并且要确保CPU核心数是双核及以上,不然会报错"the number of available CPUs 1 is less than the required 2"
1.ioperm函数 功能描述:为调用进程设置I/O端口访问权能.ioperm的使用需要具有超级用户的权限,只有低端的[0-0x3ff] I/O端口可被设置,要想指定更多端口的权能,可使用iopl函数.这一调用只可用于i386平台.用法:#include /* for libc5 */#include /* for glibc */int ioperm(unsigned long from, unsigned long num,int turn_on); 参数:from:
Error: listen EADDRINUSE :::8000 at Object._errnoException (util.js:992:11) at _exceptionWithHostPort (util.js:1014:20) at Server.setupListenHandle [as _listen2] (net.js:1355:14) at listenInCluster (net.js:1396:12) at Server.listen (net.js:1480:7) at
Linux服务器tomcat无法通过ip加端口访问 防火墙开放端口 # Firewall configuration written by system-config-firewall# Manual customization of this file is not recommended.*filter:INPUT ACCEPT [0:0]:FORWARD ACCEPT [0:0]:OUTPUT ACCEPT [0:0]:RH-Firewall-1-INPUT - [0:0]-A INPUT