Linux Security Guide

Although Linux is more secure than Windows, some simple security configurations are necessary. There are a lot of tools on the Internet to scan your admin password with a dictionary, we can create some trouble and increase the possibility of being deciphered. Take a look at the entry level security configuration. First: Remote management port modifies SSH's landing port, and the default port is 22. Scan Dictionary Poor lift password They all start with the default. If you change the port to a 4-digit number, it greatly increases their difficulty and time. Edit SSH configuration with vi command ...

In this chapter we will introduce the CentOS http://www.aliyun.com/zixun/aggregation/17117.html ">web server security settings, which is also a number of the most important security settings for Web services, As the administrator of the server we should develop a good system maintenance habits, regular patching, for the directory permission settings should have a very clear understanding of the user and user group management should also develop good habits, if you are just see this article ...

One, the charm of the management of cloud computing is that users can start using their ID card and credit card, but that's the problem. Such a simple service is bound to bring many challenges to the unprepared IT department. 　　We've been through this many times before: the benefits of a technology that are easy to use end up being an unexpected management challenge, such as virtualization, which causes virtual machines to become fragmented, new security risks to smartphones, and instant messaging that triggers corporate governance problems. This article is intended to show IT managers how to maximize cloud computing ...

Sun Microsystems recently released its innovative, Open-source cloud computing security tool and announced its support for the latest security specification for the Cloud Computing Security Alliance (Cloud). 　　The move is part of Sun's strategy to help customers and partners create an open, interoperable public cloud and private cloud. Sun is committed to providing the best technology and practice to help users escort key data in the enterprise and cloud. Sun's cloud computing security Structured module ...

System security has always been our attention in the server http://www.aliyun.com/zixun/aggregation/18665.html "> Application field of the more important links, after all, normal production environment for system security level is also relatively high, Now many server operating systems choose Linux, and in this field platform is undoubtedly CentOS Linux is the industry leader, CentOS based on red Hat Enterprise Li ...

"Editor's note" Docker and CoreOS are excellent "graduates" of the Silicon Valley incubator, and it is said that two bosses have a good personal relationship, Docker do container engines, CoreOS container management, cooperation is very happy, but with the release of Rocket gradually "parted". Although Docker and CoreOS are seeking "Jane", but Docker "Jane" is to strive to achieve the most convenient use of the user, CoreOS "Jane" is the pursuit of the ultimate lightweight, which will be the future of container technology, in fact, it is difficult ...

Hangzhou World Guide is a fusion of communications and cloud computing technology, as IBM in the field of cloud computing, an important ISV, through the integration of communications data network resources, relying on its own IDC (Internet Data Center) and 95 cloud customer service, to the global enterprises and institutions to provide communications and management information world-class cloud service operators. At present, Hangzhou World-Guide has been successfully for domestic and foreign Ibedovan enterprises and institutions and 20 million users to provide communications and communications value-added services and cloud management services. Not only that, in the favorable conditions of IBM close cooperation, Hangzhou Shi Guide not only use the IBM Powerli ...

IPFire is a Linux distribution that focuses on easy equipment, easy operations, and high levels of security. It operates through an intuitive web-based interface that provides many intuitive configuration options for novice-level and sophisticated http://www.aliyun.com/zixun/aggregation/13879.html "> System administrators." IPFire is maintained by a group of developers who are concerned about security and are constantly updating the product to keep it safe. IPFire with a definite ...

With the development of network and computer technology, the security of data storage and data exchange has become more and more important, and encryption technology has been used in data saving and data exchange very early. In order to ensure the correctness of the identities of both sides of the network data exchange, the visa system has matured. GnuPG is a set of tools for encrypting data and making certificates, and it works like PGP. But PGP uses a number of proprietary algorithms, which are among the notorious U.S. export restrictions. GnuPG is the GPL software, and does not use any patented encryption algorithm, so that ...

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 ...