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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linux× 14496
the generic term for a UNIX-like open source operating system based on the Linux kernel.
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apache2× 9477
Version 2 of the Apache HTTP Server.
When asking questions about virtualhosts, please include the output of the following command: "apache2ctl -S" (or "httpd -S" depending on your OS)
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windows× 6346
the brand name for a series of operating systems from Microsoft.
Instead of tagging a post "Windows", try to use a more specific tag, like windows-7, windows-xp or windows-server-2008-r2 …
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ubuntu× 5761
a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubu…
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windows-server-2008× 5600
a Microsoft server operating system released in February 2008. It is the successor to Windows Server 2003 and is based on the Windows Vista codebase. It was succeeded by Windows…
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networking× 5049
Networking refers to the technologies and techniques that enable the interconnection of devices and applications allowing them to communicate electronically.
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windows-server-2003× 4255
a Microsoft server operating system released in April 2003. It is the successor to Windows Server 2000 and is based on the Windows XP codebase. It was succeeded by Windows Serve…
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mysql× 3926
an open-source database owned by Oracle.
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dns× 3858
the Domain Name System, a hierarchical, distributed database where the keys are domain names.
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php× 3601
a general-purpose scripting language that is especially suited for Web development. The online manual is an excellent resource for the language syntax and has an extensive list of the built-in …
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centos× 3175
a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RedHat.
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sql-server× 3027
Questions related to Microsoft SQL Server. If your question is version specific please tag it specifically for that version as well. Does your SQL Server question belong here or on another site? Click…
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security× 2957
not a product, but a process.
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active-directory× 2775
a Microsoft technology primarily for managing multiple Windows servers and workstations in a single environment. It was first released in 2000.
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ssh× 2643
a protocol primarily for encrypted shell connections.
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email× 2553
The server configuration of email, including POP3, SMTP, IMAP, and popular server software packages that control email.
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iis× 2385
Internet Information Services, the web server included with Microsoft's Windows Server operating systems. The latest version is IIS 7.5, which is found in Windows Server 2008 R2.
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nginx× 2348
a lightweight, high-performance Web server and reverse proxy as well as IMAP/POP3 proxy server.
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debian× 2261
a popular and influential GNU/Linux distribution. Questions here should generally be about Debian Server.
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backup× 2113
Making copies of data so that the copies may be used to restore the original after a data loss event, or for historical retention.
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windows-7× 2022
Microsoft's latest PC operating system, released in October 2009.
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windows-server-2008-r2× 1924
an operating system from Microsoft. It is an update of Windows Server 2008. Unlike Server 2003 R2, this R2 is a fully new Operating System. It is only available in 64-bit ver…
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amazon-ec2× 1868
Amazon Elastic Compute Cloud (EC2) provides self-service, on-demand, pay-for-what-you-use computing infrastructure resources.
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vpn× 1683
the acronym for Virtual Private Network - a network type that uses a the Internet to provide remote networks or single machines with secure access to their organization's network avoiding expen…
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virtualization× 1646
a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility,…
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webserver× 1630
Refers to the software or hardware that make up a webserver, delivering content on a private or public website.
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ssl× 1617
encryption and authentication protocols that encrypt the full contents of a TCP connection, as well as potentially verifying the identities of the devices making the co…
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iis7× 1598
the latest version of Microsoft's web server software.
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sql-server-2008× 1519
A version of Microsoft's database server, released in August 2008. This is different than SQL Server 2008R2.
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macosx× 1482
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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firewall× 1475
an application or hardware device used to inspect and filter network traffic.
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iptables× 1423
the userspace command line program used to configure the Linux 2.4.x and 2.6.x IPv4 packet filtering ruleset. It is targeted towards system administrators.
Please, when asking a qu…
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postfix× 1391
Free and open source mail transfer agent (MTA) that routes and delivers email
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permissions× 1375
Questions related to permissions or access rights for operating systems, filesystems, servers, or network devices.
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windows-xp× 1372
an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops, and media centers. It was first released in August 2001, and is cu…
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performance× 1335
Questions about server hardware and software performance, or network performance.
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