Roll Your Own Linux

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 ...

Usage of tar volume compression and merging in Linux? For example per volume 500M tar split-volume compression: Tar Cvzpf-somedir | Split-d-B 500m (-D is not a split option, is the shell option to indicate the output of the tar command as a split input) tar multi-volume Merge: Cat x > mytarfile.tar.gz

Over the past two weeks, the author has participated in two very important meetings in the industry, Amazon Re:invent and SUSECon2014. Compared to the Amazon re:invent of the million people assembly, this article I would like to say that a small but very hard SUSECon2014 congress. The theme of the "Synch open" open source event is Susecon's third event, leaving the author's deepest impression is that the theme song for the General Assembly "modifiable is open", such as Xiao Ping ...

April 2013, Red Flag Personal Desktop Edition inwise v8.0http://www.aliyun.com/zixun/aggregation/18782.html "> officially released, Users can download the website of Red Flag (www.redflag-linux.com) free of charge. This version is Red Flag Linux in the commitment to nuclear Shishou desktop projects, after years of technical precipitation and innovation, thick and thin hair, the introduction of the integration of user needs and new sharing technology crystallization. Red F ...

I have opened eight services, but in fact may be used in two or three kinds, today I come to a novice perspective ECS cloud server, relational database RDS, open storage services OSS, content distribution network CDN, cloud engine ACE I have no thought of using Alibaba cloud, because I am currently on a blog (Japanese IP, however, before 5, on the million net virtual host), in addition to write some of their own Test program DEMO, on Sina SAE (write cloud engine AC later ...

Drive sudo apt install xserver-xorg-input-synaptics Elantech brand Many notebooks now use this brand of touchpad, especially ASUS machines, please update Linux-kernel to 2.6.35. qii@qii-k40in:~$ uhttp://www.aliyun.com/zixun/aggregation/11696.html ...

The essence of technology lies in the accumulation of accumulation. The virtualization, RESTFull API, and distributed concepts of the past have undergone earth-shaking changes over the past decade.

Absrtact: For entrepreneurs, the results of the establishment of the enterprise is extremely cruel, not life and death. Someone found a very wet snow and a very long slope, will snowball roll bigger, even landed on Nasdaq, from success to success, some people stumble, several times struggle, but difficult to escape for the entrepreneur, the results of the establishment of the enterprise is extremely cruel, not born to die. Someone found "very wet snow and very long slopes", will "snowball" roll bigger, and even landed on Nasdaq, from success to success, but also someone to stumble, several times, but difficult to escape the "death also suddenly Yan" of doom, back to the deep sigh after the exit;

Objective the goal of this document is to provide a learning starting point for users of the Hadoop Distributed File System (HDFS), where HDFS can be used as part of the Hadoop cluster or as a stand-alone distributed file system. Although HDFs is designed to work correctly in many environments, understanding how HDFS works can greatly help improve HDFS performance and error diagnosis on specific clusters. Overview HDFs is one of the most important distributed storage systems used in Hadoop applications. A HDFs cluster owner ...

Today, more and more PAAs (platform service) providers, in the field of cloud computing has launched a fierce competition. Cloud computing works well with the development mechanism for deploying applications.     IAAS providers provide basic computing resources, SaaS providers provide online applications such as online CRM, and PAAs offerings provide developers with a one-stop service that allows our applications to start and run quickly without paying attention to some infrastructure issues. As a service provided on the PAAs platform ...