These are the questions we have identified as Canonical:

## Capacity Planning

  - Generic Capacity Planning: https://serverfault.com/questions/384686
  - https://serverfault.com/questions/350458
  - https://serverfault.com/questions/350454

## Career

  - Starting out: https://serverfault.com/questions/9766

## Datacenter Design

  - https://serverfault.com/q/25319
  - https://serverfault.com/q/2382
  - https://serverfault.com/q/531516
  - https://serverfault.com/q/537384

## Documentation
   - https://serverfault.com/q/46273

## EMail & Spam
  - https://serverfault.com/q/415533
  - https://serverfault.com/questions/369460/
  - https://serverfault.com/q/419407/126699
  - https://serverfault.com/questions/227242
  - https://serverfault.com/questions/48428

## Hardware

  - https://serverfault.com/q/263694
  - https://serverfault.com/q/339128
  - https://serverfault.com/q/425335
  - https://serverfault.com/q/15040/

## Hosting provider/server hardware shopping

  - https://serverfault.com/q/326205
  - https://serverfault.com/q/398335

## Infrastructure Software

 - https://serverfault.com/q/368512
  
### Active Directory

 - https://serverfault.com/q/402580
 - https://serverfault.com/q/406240
 - https://serverfault.com/q/76715
 - https://serverfault.com/q/394804
 - https://serverfault.com/q/826444

### DNS

   - https://serverfault.com/q/23744
   - https://serverfault.com/q/125371
   - https://serverfault.com/q/309622
   - https://serverfault.com/q/74362
   - https://serverfault.com/q/355887
   - https://serverfault.com/q/612833
   - https://serverfault.com/q/482913
   - https://serverfault.com/q/588244
   - https://serverfault.com/q/613829
   - https://serverfault.com/q/649559
   - https://serverfault.com/q/669819
   - https://serverfault.com/q/710108
   - https://serverfault.com/q/634793

## Licensing

  - https://serverfault.com/q/215405
  - https://serverfault.com/q/537568

## Networking

  - https://serverfault.com/q/333816
  - https://serverfault.com/q/55611
  - https://serverfault.com/q/2163
  - https://serverfault.com/q/394393
  - https://serverfault.com/q/49765
  - https://serverfault.com/q/426183
  - https://serverfault.com/q/184524
  - https://serverfault.com/q/188350
  - https://serverfault.com/q/521618
  - https://serverfault.com/q/548888
  - https://serverfault.com/questions/725262/what-causes-the-connection-refused-messge

## General Unix/Linux OS Stuff
  - https://serverfault.com/q/449296
  - https://serverfault.com/q/449651
  - https://serverfault.com/q/449395
  - https://serverfault.com/q/671223
  - https://serverfault.com/q/489628
  - https://serverfault.com/q/563051
  - https://serverfault.com/q/597115

## Security

  - https://serverfault.com/q/587329
  - https://serverfault.com/q/218005
  - https://serverfault.com/q/357108
  - https://serverfault.com/q/323706
  - Restricted Shell: https://serverfault.com/q/89778
  - https://serverfault.com/q/40764
  - https://serverfault.com/q/212269
  - https://serverfault.com/q/339552
  - https://serverfault.com/q/364677
  - https://serverfault.com/q/531941

## SSH
  - https://serverfault.com/q/463366
  - ProxyCommand: https://serverfault.com/q/48808

## Terminal Server (RDS)

  - https://serverfault.com/q/332622

## Uptime

   - https://serverfault.com/q/316637
   - [reaching 99.9999% uptime](https://serverfault.com/q/130300)

## Virtualization

  - [Enabling hardware virtualisation BIOS; anything to beware?](https://serverfault.com/q/7690)

## Web Servers

   - mod_rewrite: [Everything you wanted to know about mod_rewrite rules but were afraid to ask](https://serverfault.com/q/214512)
   - Picking the right MPM (on *NIX systems): [How do I select which Apache MPM to use?](https://serverfault.com/questions/383526)
   - One-click (x)AMP: [Why not use a WAMP stack?](https://serverfault.com/questions/453617/why-not-use-a-wamp-stack), Meta: https://meta.serverfault.com/questions/1968
   - IIS7: [What are the differences between Websites, Directories, Virual Directories, and Applications in IIS 7?](https://serverfault.com/questions/108545)
   - SNI: [Multiple SSL domains on the same IP address and same port?](https://serverfault.com/questions/109800)
   - Host Header vs. DNS: [How does pointing a CNAME on my domain to a service-provider's server enable them to offer customized services?](https://serverfault.com/q/342999/152073)

## Windows (General)
   - Host files: [Hosts file ignored, how to troubleshoot](https://serverfault.com/questions/452268/hosts-file-ignored-how-to-troubleshoot)

## Meta

   - https://meta.serverfault.com/questions/5763/why-sf-is-failing-the-dismal-future-of-serverfault
   - https://meta.serverfault.com/questions/963/what-information-should-i-include-or-obfuscate-in-my-posts