A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kv…
a Microsoft collaboration server product offering e-mail, calendar, and other functions.
2078 questions
A process of proving that an entity (commonly a user or organization) is who they claim to be, or who they were previously identified as being. Authentication does not guarantee that particular entity…
URL rewriting module for Apache web servers
HTTP or HTML mechanisms used for redirecting browsers to where the actual content is located
HTTP stands for Hyper Text Transfer Protocol and is the protocol used to transfer information around the World Wide Web.
a free, open source software implementation of the Domain Name System (DNS) protocols. The name BIND stands for "Berkeley Internet Name Domain", because the software originated in the early 19…
Google Cloud Platform provides cloud computing services that let you build applications and websites, store data, and analyze data on Google's infrastructure.
DHCP stands for Dynamic Host Configuration Protocol and is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol.
URL Rewriting maps an incoming URL to a modified URL, so that the request is processes as if the original request was made to the modified URL. This is often used to provide more search engine friendl…
A device that connects two or more networks and is capable of forwarding data packets to a destination based on information contained within a packet and internal routing tables.
a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs.
1891 questions
Synonym for: RAM - Acronym for: Random Access Memory, a type of computer data storage.
an open source, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for web sites crawlin…
an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites.
A version of Microsoft's database server, released in August 2008. This is different than SQL Server 2008R2.
1808 questions
a means to organize data expected to be retained after a program terminates by providing procedures to store, retrieve and update data, as well as manage the available…
a time-based job scheduler in Unix-like computer operating systems. Cron enables users to schedule jobs (commands or shell scripts) to run periodically at certain times or dates.
Primarily questions about disk storage, sometimes questions about application storage or cloud storage. Always questions about storing data.
a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliabilit…
a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL). The "CentOS6" tag refers to versions 6.x of CentOS.
a configuration management tool (Unix & Windows) with its own Domain Specific Language.
1753 questions
In computer networking, network address translation (NAT) is the process of modifying network address information in datagram (IP) packet headers while in transit across a traffic routing device for t…
the acronym for `Virtual Private Server`. Hosting companies provide customers the ability to rent computing resources, which are used to create and run virtual machines that are controlled by …
1731 questions
Programming language and runtime environment that allows compiled Java programs to run unchanged on most hardware and software platforms
a free software re-implementation, originally developed by Andrew Tridgell, of the SMB/CIFS networking protocol.
a network file system protocol originally developed by Sun Micro systems in 1984, allowing a user on a client computer to access files over a network in a manner similar t…
A form of computer programming that — in the context of system administration — lends it self well to automating tasks.
1692 questions
the collection of physical elements that comprise a computer system.
1647 questions
EOL it is past time to move on**. Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops, and media cente…
1621 questions
an open-source blogging & CMS platform. Questions about using WordPress, developing plugins and themes for WordPress, etc., may be welcome at our sister site wordpress.stackexchange.com
System that handles large amounts of data in an organised fashion
a dynamically and strongly typed programming language that encourages readability.
The process of installing software on a computer/server. Can also refer to the process of installing hardware, e.g. in a datacenter.
a generic term that can refer to port number (software related term), and computer hardware port. Here, questions referencing this tag refer to port numbers.
1509 questions
a mechanism for interacting with a computer operating system or software by typing commands to perform specific tasks.
1502 questions