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摘要:nginx源码编译添加rtmp模块实现视频推流服务器 环境:deepin linux 15.10.1(基于debian9) 安装依赖库执行命令前,最好执行一次sudo apt update更新下仓库 sudo apt install autoconf automake sudo apt install libpcre3 libpcre3-dev sudo apt install openss
摘要: MySQL在5.5.3之后增加了这个utf8mb4的编码,mb4就是most bytes 4的意思,专门用来兼容 四字节的unicode。好在utf8mb4是utf8的超集,除了将编码改为utf8mb4外不需要做其他转换。 当然,为了节省空间,一般情况下使用utf8也就够了. 查看当前的MySQL版本: mysql> select version(); 或者
摘要: nginx可以通过HttpLimitReqModul和HttpLimitZoneModule配置来限制ip在同一时间段的访问次数来防cc攻击 HttpLimitReqModul用来限制连单位时间内连接数的模块,使用limit_req_zone和limit_req指令配合使用来达到限制。一旦并发连接超过指定数量,就会返回503错误。 HttpLimitConnModul用来限制单个i
高并发 - 扩容垂直扩容(纵向扩展) : 提高系统部件能力比如:增加内存垂直扩容的主要是提高系统部件的能力,但会增大单个服务中其他软件设施的依赖与管理、服务内部复杂度 水平扩容(横向扩展) : 增加更多系统成员来实现比如:加服务器实现水平扩容主要是增加更多的成员
摘要: nginx可以通过HttpLimitReqModul和HttpLimitZoneModule配置来限制ip在同一时间段的访问次数来防cc攻击 HttpLimitReqModul用来限制连单位时间内连接数的模块,使用limit_req_zone和limit_req指令配合使用来达到限制。一旦并发连接超过指定数量,就会返回503错误。 HttpLimitConnModul用来限制单个i
摘要:Git是一个开源的分布式版本控制系统,用于敏捷高效地处理任何或小或大的项目 对一个已存在的远程仓库进行clone和提交代码操作clone代码 $ git clone [-b branchName] 远程地址 [filefolder name] -b代表clone某个分支,后面跟分支的名称.代码clone到本地后,当前路径会多一个与git
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