转:http://www.linuxforu.com/2012/05/ilinuxbot-designing-botnets-to-manage-linux-clients/ By Nishant Sharma on May 1, 2012 in Coding, Developers · 2 Comments This article is to encourage newbies to use a little creativity to solve real-world problems.…

Coping with the TCP TIME-WAIT state on busy Linux servers 文章源自于:https://vincent.bernat.im/en/blog/2014-tcp-time-wait-state-linux.html Do not enable net.ipv4.tcp_tw_recycle. The Linux kernel documentation is not very helpful about whatnet.ipv4.tcp_tw_…

linux驱动开发总结(一) 基础性总结 1, linux驱动一般分为3大类: * 字符设备 * 块设备 * 网络设备 2, 开发环境构建: * 交叉工具链构建 * NFS和tftp服务器安装 3, 驱动开发中设计到的硬件: * 数字电路知识 * ARM硬件知识 * 熟练使用万用表和示波器 * 看懂芯片手册和原理图 4, linux内核源代码目录结构: * arch/: arch子目录包括了所有和体系结构相关的核心代码.它的每一个子目录都代表一种支持的体系结构,例如i386就是关于intel c…

本文译自 7 Examples to Manage Linux Password Expiration and Aging Using chage 本文主要介绍命令chage的使用,译文会对原文内容会有一定的简化. debian系统可以通过如下命令安装chage: (chage is for change age) apt-get install chage CentOS7 应该是自带这个命令了. 列出用户密码相关信息 Syntax: chage –-list username (or) cha…

SIP Proxies SBO SIP Proxy Bypass All types of Internet Firewall JAIN-SIP Proxy Mini-SIP-Proxy A very tiny perl POE based SIP proxy MjServer cross-platform SIP proxy/registrar/redirect, written in java, based on MjSip stack MySIPSwitch SIP Proxy serve…

技术背景 容器化技术在各种生产领域已经得到了广泛的应用,这得益于容器的轻量化(相比于虚拟机而言),安全性(隔离弱于虚拟机,但是权限控制得当的情况下也可以认为是安全隔离的)以及系统级虚拟化带来的高可用性(基于NameSpace和cgroup).虽然现在各大平台的兼容性有趋同的势头,比如Windows推出了WSL子系统,使得用户在Windows机器上也可以很轻松的搭建Linux环境.但是容器依然保持着它的热度,这说明它的可用性并不是一个系统组件就可以替代的.前面几篇文章中我们介绍过Docker容器和…

Contents [hide]  1 ⁠Accessing the User Portal 1.1 Logging in to the User Portal 1.2 Logging out of the User Portal 1.3 Logging in for the First Time: Installing the Engine Certificate 1.3.1 Installing oVirt Certificate in Firefox 2 ⁠Installing Suppor…

TL;DR: do not enable net.ipv4.tcp_tw_recycle. UPDATED (2017.09): net.ipv4.tcp_tw_recycle has been removed from Linux 4.12. The Linux kernel documentation is not very helpful about what net.ipv4.tcp_tw_recycledoes: Enable fast recycling TIME-WAIT sock…

https://talks.golang.org/2012/splash.article Go at Google: Language Design in the Service of Software Engineering Rob Pike Google, Inc. @rob_pike http://golang.org/s/plusrob http://golang.org Contents Abstract Introduction Go at Google Pain points De…

本文主要内容是使用Windows Azure的VIRTUAL MACHINES和NETWORKS服务安装CDH (Cloudera Distribution Including Apache Hadoop)搭建Hadoop集群. 项目中在私有云中使用CDH (Cloudera Distribution Including Apache Hadoop)搭建Hadoop集群进行大数据计算.作为微软的忠实粉丝,将CDH部署到Windows Azure的虚拟机中是我的必然选择.由于CDH中包含多个开源服…