智能运维

操作系统内存管理：总的来说，操作系统内存管理包括物理内存管理和虚拟内存管理。 物理内存管理： 等概念、交换技术、连续分配管理方式和非连续分配管理方式（分页、分段、段页式）。 虚拟内存管理： 虚拟内存管理…

手动部署 去年的这个时候心血来潮搭建了个人博客，是基于 SpringBoot 和 Vue2 的，但是仅仅搭起来一个架子，前后端也简单地对接了下，里面的具体内容全是空的，数据库什么的根本没有设计。今年春天闲来无事，忽然想…

VMWare published an advisory on 8th Nov 2022 in which it disclosed 5 new vulnerabilities in VMWare Workspace ONE Assist. Out of the five vulnerabilities, three are rated Critical, and two a…

As the world is moving towards digitization, more and more devices in our homes are connected to the Internet than ever before, such as smartphones, smart TVs, game consoles, and tablets. However, th…

There is an advisory from Google for those who are using the Chrome browser. Google discovered 10 new 0-day vulnerabilities in the Chrome browser and asked to update the browser as soon as …

Various known but unpatched vulnerabilities pose significant risks to organizations. However, these organizations use defensive tools and technologies to mitigate those risks but continue to use soft…

可访问性不必费时或复杂。每隔几周学习一点，在编码时每隔一两个小时花 5 分钟就能获得巨大的回报。 这些包括： 发布后不必重构整个代码库 覆盖 20% 至 25% 的残疾人口（参考文献 1） 编写可以被搜索引擎收录的组织…

最近icode9的一个面向客户的网站最近受到了一次巨大的DDoS攻击，每小时请求量达到80M-100M。就上下文而言，icode9的网站通常每分钟只收到30,000个请求。流量增加了3000倍。幸运的是，icode9能够及时做出反应，并在3…

使用 Git 时，一个常见的混淆来源是当你看到这样的输出时不知道这一切意味着什么： You are in 'detached HEAD' state. You can look around, make experimental changes and commit them, and you can dis…

Six high-severity security flaws have been detected to affect Juniper Networks devices that remote attackers can exploit via code execution. These vulnerabilities in Junos OS include CVE-2022-22246, …