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Editor's note: The last period of time reproduced in the "5 minutes to understand docker! "Very popular, a short 1500 words, let everyone quickly understand the Docker." Today, I saw the author make a new novel, and immediately turned over. The reason to call this code reading as a fantasy trip is because the author Liu Mengxin (@oilbeater) in the process of reading Docker source, found a few interesting things: from the code point of view Docker did not start a new development mechanism, but the existing tested isolation security mechanism to use the full use, Including Cgroups,c ...

PKGTXT2DB is a utility that is applied to the Slackware and Slackware base operating systems. It can convert PACKAGES.TXT to various database formats. CSV and JSON are currently supported. PKGTXT2DB O.1 This version can be converted PACKAGES.TXT to CSV and JSON. You can get the following command: SVN co https://salix.svn.sourceforge.net/svnroot/salix ...

The establishment of enterprise security building Open source SIEM platform, SIEM (security information and event management), as the name suggests is for security information and event management system for most businesses is not cheap security system, this article combined with the author's experience describes how to use open source software Analyze data offline and use algorithms to mine unknown attacks. Recalling the system architecture to WEB server log, for example, through logstash WEB server to collect query log, near reality ...

In our daily life, we are inseparable from the application of position recognition class. Apps like Foursquare and Facebook help us share our current location (or the sights we're visiting) with our family and friends. Apps like Google Local help us find out what services or businesses we need around our current location. So, if we need to find a café that's closest to us, we can get a quick suggestion via Google Local and start right away. This not only greatly facilitates the daily life, ...

"Editor's note" This blog author Luke Lovett is the MongoDB company's Java engineer, he demonstrated MONGO connector after 2 years of development after the metamorphosis-complete connector at both ends of the synchronization update. , Luke also shows how to implement fuzzy matching by Elasticsearch. The following is a translation: the introduction assumes that you are running MongoDB. Great, now that you have an exact match for all the queries that are based on the database. Now, imagine that you're building a text search work in your application ...

Orientdb is an open source, non relational database management system. It is used under general hardware and can be stored at the speed and capacity of 150,000 files per second. It is written in Java and belongs to a document database that supports acid Tx, http://www.aliyun.com/zixun/aggregation/16666.html ">indexes, asynch queries, SQL Layer, clustering, etc., support ...

This article will briefly describe the two Web Service security mechanisms that IBM SmartCloud Entry brings together, and how they can be authenticated through these security mechanisms on a variety of client programs. Environment prepare a running IBM smartcloud Entry system Eclipse 3.6 or later start before you begin, make a basic explanation of some of the terms that will be used in this article. Restlet: Born in 2005, is a Java ...

As can be seen from the figure, the entire double eleven order processing process mainly involves three systems: platform (Tmall, Taobao), ERP/OMS (used to process orders), WMS (package, delivery within the warehouse).

HBase terms in this article: column-oriented: Row column Group: Column families Column: Column unit: Cell Understanding HBase (an Open-source Google bigtable practical application) The biggest difficulty is what is HBase's data structure concept? First HBase is different from the general relational database, which is a database suitable for unstructured data storage. Another difference is that HBase is based on columns rather than on rows. Goo ...

VMware suddenly released its first open source Paas--cloudfoundry this April. In the months since its release, the author has been concerned about its evolution and benefited from its architectural design, and felt the need to write to share it with you. This article will be divided into two parts: the first part mainly introduces the architecture design of Cloudfoundry, from the module that it contains, to the information flow of each part, how the modules coordinate and cooperate; The second part will be based on the first part, how to use Clou in your data center ...