Linux Memory Tools

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 ...

Explore cloud computing from a linux® perspective and discover some of the most innovative and popular linux-based solutions-paying particular attention to choices that can bring environmental benefits. We have discussed cloud computing from a variety of perspectives in a number of contexts. For embedded Linux engineers and enthusiasts, cloud ...

The original LXC technology was developed by IBM and has now entered the core of the Linux kernel, which means that LXC technology will be the most competitive lightweight virtual container technology at the moment, and this article will http://www.aliyun.com/zixun/aggregation/ 32779.html "> Step-by-Step introduction of how to build and manage Linux containers. The Linux distribution version used in this article is Ubuntu 12.04. LXC ...

Dr Memory is an open source free memory detection tool that detects memory-related programming errors such as uninitialized access, illegal memory access, and memory leaks. Not only can it work under Linux, but it can also work on Microsoft's Windows operating system. However, when this article was written, Drmemory only supported 32-bit programs, which was a huge flaw, but believe that as development progresses, Drmemory will launch a version that supports 64-bit programs. Dr Memory with ...

For small and medium-sized enterprises, there are many free and open source router and firewall solutions, even as a business choice. 　　Many of these products offer LAN services, such as VPN services, hotspot gateways, and the use of mandatory network portals to share wireless networks. Here, the editors find open source and free router projects that are suitable for businesses that include small businesses, midsize, and even the size of Cisco and Juniper.  Gossip Less, we look at these seven open source and free Linux network operating system. &nb ...

At the end of March, Red Hat released its fiscal year 2012 and full-year earnings for the year ended February 29, 2012. Red Hat's total revenue for fiscal year 2012 was 1.13 billion dollars, according to earnings reports. At this point, Red Hat has become the first IT industry revenue more than 1 billion dollars of open source solution vendors. How does Red Hat do three years 1 billion? What are the new trends in red Hat in the past 2012 years? What are the plans for the future? Core Linux business and virtualization this May, the Red Hat Enterprise Linux has been unveiled for 10 years. May 2002, Red Hat launched the first enterprise Linux ...

1. First we want to see if the current Linux system has GNUPG software, for Red Hat linux7.0 version will automatically install the software, we enter the following command to see if the machine is installed Linux$rpm-qa│grep GnuPG Gnupg-1.0.4-11 from above can be seen that the package has been installed, if not installed, please follow the instructor's instructions to install 2. After installing the GNUPG package, what we need to do is to generate a pair of key linu ...

Mandrake Linux is the predecessor of Mandriva Linux. The company was on the verge of collapse in the last few years, and they are committed to doing the best Linux systems. The impression is mainly http://www.aliyun.com/zixun/aggregation/8284.html "> Desktop applications, using the RPM package management system." Like most desktop systems, it has a pleasing user interface and a large number of application tools to meet the daily use of individual users ...

Companies such as IBM®, Google, VMWare and Amazon have started offering cloud computing products and strategies. This article explains how to build a MapReduce framework using Apache Hadoop to build a Hadoop cluster and how to create a sample MapReduce application that runs on Hadoop. Also discusses how to set time/disk-consuming ...

Charity Linux is designed to provide a non-profit and quickly convert to a license-free Linux desktop tool, which is very handy for http://www.aliyun.com/zixun/aggregation/6579.html "> Users." In 90 minutes, you can split the hard drive, erase all old data, install the base network via FTP, and add desktop user files and usability tests to the Tinycore Linux desktop. Char ...