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 ...
MongoDB is a product between relational database and non relational database, and is the most powerful and relational database in the relational database. The data structure he supports is very loose and is a JSON-like Bjson format, so you can store more complex data types. The biggest feature of MONGO is that the query language he supports is very powerful, and its syntax is somewhat similar to an object-oriented query language, which can almost achieve most of the functions of a single table query like relational database, and also supports indexing data. Just released MongoDB 1 ...
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 ...
4MLinux is a small Linux distribution with major features including system maintenance (using it as a system repair tool), multimedia playback (e.g., playing DVD video), Web servers (using the inetd daemon), and game console features. 4MLinux 3.2 Stable This version has the same functionality as an extra 4mlinux-allinone version for a fully automatic upgrade. x Library has been updated, core project support LIBXCB 1.7, libX11 1.4.3, Li ...
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 ...
Kwatee SDCM automates the deployment of files, Web applications/services, or application packages, thereby reducing the complexity of update operations by simply clicking on them. KWATEESDCM is easily adaptable to existing software packages and offers the following features: server, server-customizable variables, software and configuration, configuration change audits, and multiple configuration set versions. KWATEESDCM 1.2.0 This version supports deployment on 64-bit Linux servers. The agent plug-in mechanism has been improved to easily add new agents without schema updates. ...
The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall website completes, the maintenance and the management becomes the work which needs to carry on continuously. In this chapter, the site will be optimized for internal links, efficient maintenance, PR upgrade way to introduce. First, optimize the internal links of the site two, the site efficient maintenance of three common sense three, improve the site PageRank have a coup four, site exchange links to beware of counterfeit five, against the vulgar ban on the site's illegal content six, simple configuration let Web server impregnable ...
Since the release of the first version in 2008, we have come to realize that to make the imported operating system available to the people, we need to do a lot of optimization processing, even if it is still difficult to meet the needs of the people. After research, we decided to build an operating system from the bottom of their own, fully targeted at the special needs of the Chinese people, in line with the Chinese habit of use, and completely free for the people to use. YLMF OS 4.0 system is compiled with GCC ...
"51CTO classic" I like MongoDB mainly because it is so simple and natural to use it in dynamic languages. So far, I've used it in two projects (Encode and SPARRW), although I'm very happy with the choice, but there are some problems I haven't noticed, and these problems have kept me scratching my scalp for hours. If you have more than one machine, and then allocate a few more machines for the database, then some problems can be solved, but my project is running on a single (virtual) server on the low flow w ...
"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...
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