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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.

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the Bourne Again SHell, the successor to the classic Unix sh (shell).
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the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.
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Questions about server hardware and software performance, or network performance.
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Refers to the software or hardware that make up a webserver, delivering content on a private or public website.
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an installable/embeddable virtualization platform based around the ESXi Hypervisor.
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an open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented …
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a built-in feature of the Microsoft Windows operating systems. Group Policy allows administrators to automatically configure myriad options within the OS. These policies can be confi…
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a server operating system from Microsoft. It went RTM on August 1st of 2012, and to general release on September 4, 2012. Like its predecessor, Server 2008 R2, it is only avai…
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the Simple Mail Transfer Protocol, the most recent standard of which is defined in RFC 5321. It's the Internet standard for sending and receiving email.
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Device or program that stands between two or more interconnected programs/devices
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a Platform as a Service (PaaS) and Infrastructure as a Service (IaaS) cloud computing platform by Microsoft. Users of the platform can deploy their applications onto cloud hosting b…
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used to encrypt and authenticate connections to network servers, most popularly for web servers but also email, file transfers, and other network connections.
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Recording activity on the system (or of a particular program) for later reporting and analysis. Logins, logouts, web server page requests, etc might all be logged.
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a provider of switches and routers to commercial consumers. Cisco devices run IOS or NX-OS operating systems. This is a generic tag to be used when no more specific tags are available. See …
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a free and open source software VPN solution. It allows secure point-to-point or site-to-site connections with routed or bridged configurations and remote access facilities.
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Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along emai…
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Questions relating to virtual hosting; that is, serving content for multiple logically-separate entities from the same machine. Usually relates to name-based virtual hosting in the web server, but ca…
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Directory-level configuration file found mostly on Apache web servers
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a general term that can refer to the arrangement of functional units according to their nature and characteristics. Also, it can refer to software configuration which more suitable fo…
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IP - Internet Protocol, the most commonly-used set of rules for dispatching data across a large computer network.
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A collection of computers or other networked resources.
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a standard network protocol used to transfer data across TCP-based networks between hosts.
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Lightweight Directory Access Protocol (LDAP) for reading and editing directories over an IP network
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a type of proxy server that fetches resources from a specific defined set of servers for a client. It is used in cases when there is an advantage to not exposing the web server with…
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an operating system from Apple Inc. It was the successor to Mac OS 9 and here the 'X' means 10. Mac OS X is based upon the NeXTSTEP and OpenStep OSes developed in the 1980s and 1990s by Ne…
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Applications or appliances that observe machines, systems and networks to find problems and notify administrators.
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Load balancing deal with the techniques involved on using multiple systems to deal with high demands, balancing the load between those multiple systems. Questions deal with networking and server load …
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an open source project that automates the deployment of applications inside software containers.
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Linux Networking refers to any networking function performed by a server running Linux. A Linux server operating as a router or firewall are the most common applications.
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a completely isolated guest operating system installation within a normal host operating system. It is a software implementation of a machine (i.e. a computer) that executes …
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a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL), belonging to the same company that distributes RHEL (Red Hat,…
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Questions about hard disks' performance, issues, tips, and software.
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the version of Microsoft's web server software released with Windows Server 2008.
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a hypervisor-based virtualization system for x86-64 systems. Hyper-V exists in two variants: as a stand-alone product called Microsoft Hyper-V Server, and as an installable role i…
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a Microsoft collaboration server product offering e-mail, calendar, and other functions.
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a combination of HTTP and SSL/TLS (Secure Sockets Layer/Transport Layer Security) and is used to provide an encrypted connection to a website.