Linux Kernel Optimization

I. Introduction We often see some similar in the program disassembled code 0 × 32118965 this address, the operating system called linear address, or virtual address. What is the use of virtual address? Virtual address is how to translate into physical memory address? This chapter will give a brief account of this. 1.1 Linux Memory Addressing Overview Modern operating systems are in 32-bit protected mode. Each process can generally address 4G of physical space. But our physical memory is generally hundreds of M, the process can get 4 ...

Recently, Guangdong Province, LINUX public service http://www.aliyun.com/zixun/aggregation/12867.html "> Technical Support Center (referred to as the Guangdong Provincial Center for Linux) for the Chinese government and enterprise users of the flagship product" new pivot server operating system V4.02 version officially released.It can meet the requirements of carrier-class operating system as the highlight of the high reliability, become the current many domestic government departments, enterprises and institutions for information security applications to consider, and choose to replace the country. ..

Linux is a clone of a Unix kernel, written by computer amateur Linus Torvalds, and is now a free and open source Unix-like operating system. The goal is to follow POSIX and a single UNIX specification, all of which are based on a modern, comprehensive Unix kernel that can be installed on a variety of computer http://www.aliyun.com/zixun/aggregation/11585.html "> hardware devices, including real multitasking ...

Mosix adds cluster computing capabilities to the Linux core. It supports operating system platforms with BSD and Linux, allowing any number of X86/pentium servers and workstations http://www.aliyun.com/zixun/aggregation/18521.html "> Work together. In a mosix cluster environment, users do not need to modify the application, connect the application to the library, or assign the application to a different node ...

"Tenkine Server channel December 7 News" IT departments are facing a growing demand for business, while at the same time meeting the need to continuously improve cost-effectiveness. 　　To meet these challenges, information architects and network administrators need to adopt the industry's newest, most powerful technology, and the solutions from Intel and SuSE are a good example of the perfect combination of wisdom and power, making all the problems work. Today, the Intel Xeon E5 series processor is the most advanced platform for ever dual-processor servers, with SUSE Linux enterpri ...

When you joined the Xen Summit last week, you heard the XCI (Xen Client Initiative) project (see Xen Cloud Platform (XCP)), Xen clients hypervisor:the Ultimate The "project is" to Define a standard framework for supporting service domain virtual Applian ...

Joomla! is a set of content management systems that have received multiple awards (contents Management System, CMS). joomla! uses Php+mysql database development to run on a variety of platforms such as Linux, Windows, OS, Solaris, and so on. joomla! In addition to news/article management, document/Picture management, site layout settings, template/theme management, and other basic functions. It can also provide ...

Absrtact: Millet has officially launched the millet router, in the industry again sparked a discussion about seizing the living room. These two miwifi systems, as expected, are based on a customized version of the Open source OpenWrt (OpenWrt is also based on Linux development) systems. 360 mi Millet has officially launched the millet router, in the industry again triggered a "grab the living room" discussion. This two millet route uses the Miwifi system, is expected to be based on the open source OpenWrt (Op ...).

Absrtact: Millet has officially launched the millet router, in the industry again sparked a discussion about seizing the living room. These two miwifi systems, as expected, are based on a customized version of the Open source OpenWrt (OpenWrt is also based on Linux development) systems. 360 mi Millet has officially launched the millet router, in the industry again triggered a "grab the living room" discussion. These two millet routes use the Miwifi system, as expected is based on open source OpenWrt (OpenWrt also based on Linu ...

In the 2015, cloud computing has become a mainstream choice for IT Infrastructure (IaaS). In the development platform (PaaS), Docker and CoreOS innovation surging. We have also seen that cloud-based applications (SaaS) are in the ascendant, and the continued depth of "Internet +" means that cloud computing and large data will have a wider range of applications. The degree of mastering and understanding of cloud computing and large data core technology is very important to build the core competence of the enterprise and its technicians. In April 2015 16-18th, a carefully crafted by csdn ...