Docker的架构和底层技术: 1.docker提供了一个开发,打包,运行app的平台2.把APP和底层infrastructure隔离开来 docker底层技术支持: 1>Namespaces:做隔离pid,net,ipc,mnt,uts 2>control groups:做资源限制 3>Union file systems:Continer 和  image的分层 docker image…

记录5 * Overheard at KubeCon: "microk8s.status just blew my mind". https://microk8s.io/docs/commands#microk8s.status 个可升级软件包. 个安全更新. New release '18.04.3 LTS' available. Run 'do-release-upgrade' to upgrade to it. Last :: from 192.168.114.1 -->@…

记录5-1 [BEGIN] // :: Connecting to ... Connection established. To escape to local shell, press Ctrl+Alt+]. Welcome to Ubuntu LTS (GNU/Linux --generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Supp…

记录5-2 root@53d0a643a2c7:/# quit bash: quit: command not found root@53d0a643a2c7:/# exit exit -->@coder:~$ sudo docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -->@coder:~$ sudo docker run e76b /bin/sh -c "while true; d…

记录3 [BEGIN] // :: Connecting to ... Connection established. To escape to local shell, press Ctrl+Alt+]. Welcome to Ubuntu LTS (GNU/Linux --generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Suppor…

记录2 [BEGIN] // :: Connecting to ... Connection established. To escape to local shell, press Ctrl+Alt+]. Welcome to Ubuntu LTS (GNU/Linux --generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Suppor…

记录1 Xshell (Build ) Copyright (c) NetSarang Computer, Inc. All rights reserved. Type `help' to learn how to use Xshell prompt. [C:\~]$ Connecting to ... Connection established. To escape to local shell, press Ctrl+Alt+]. Welcome to Ubuntu LTS (GNU/Li…

记录3 [BEGIN] // :: Last :: from 192.168.114.1 root@coder:~# man addgroup ADDUSER() System Manager's Manual ADDUSER(8) NAME adduser, addgroup - add a user or group to the system SYNOPSIS adduser [options] [--home DIR] [--shell SHELL] [--no-create-home]…

如果有些外设的HAL库函数找不到的话,你可以到IAR工程的文件夹显示栏中找如下图所示:…

IO多路复用: 1.轻量 2.cpu亲和性:把CPU核心和nginx工作进程绑定,把每个worker进程固定在一个CPU上执行,减少切换cpu的cache miss,获得更好的性能 3.IO多路复用epoll 4.sendfile: 处理静态界面 静态资源服务场景-CDN 校验过期机制: https----------->https 背景:通过nginx访问https默认界面无跳转 需求:https://域名   ----------->    https://域名/login.html 解决…