These are the questions we have identified as Canonical:

### Capacity Planning

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

### Career

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

### Datacenter Design

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

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

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

### Hardware

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

### Hosting provider/server hardware shopping

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

### Infrastructure Software

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

    - http://serverfault.com/q/402580
    - http://serverfault.com/q/406240
    - http://serverfault.com/q/394804

  #### DNS

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

### Licensing

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

### Networking

  - http://serverfault.com/q/333816
  - http://serverfault.com/q/55611
  - http://serverfault.com/q/2163
  - http://serverfault.com/q/394393
  - http://serverfault.com/q/49765
  - http://serverfault.com/q/426183
  - http://serverfault.com/q/184524
  - http://serverfault.com/q/188350
  - http://serverfault.com/q/521618
  - http://serverfault.com/q/548888
  - http://serverfault.com/questions/725262/what-causes-the-connection-refused-messge
### General Unix/Linux OS Stuff
  - http://serverfault.com/q/449296
  - http://serverfault.com/q/449651
  - http://serverfault.com/q/449395
  - http://serverfault.com/q/671223
  - http://serverfault.com/q/489628
  - http://serverfault.com/q/563051
  - http://serverfault.com/q/597115

### Security

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

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

### Terminal Server (RDS)

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

### Uptime

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

### Virtualization

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

### Web Servers

   - mod_rewrite: [Everything you wanted to know about mod_rewrite rules but were afraid to ask](http://serverfault.com/q/214512)
   - Picking the right MPM (on *NIX systems): [How do I select which Apache MPM to use?](http://serverfault.com/questions/383526)
   - One-click (x)AMP: [Why not use a WAMP stack?](http://serverfault.com/questions/453617/why-not-use-a-wamp-stack), Meta: http://meta.serverfault.com/questions/1968
   - IIS7: [What are the differences between Websites, Directories, Virual Directories, and Applications in IIS 7?](http://serverfault.com/questions/108545)
   - SNI: [Multiple SSL domains on the same IP address and same port?](http://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?](http://serverfault.com/q/342999/152073)

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

### Meta

   - http://meta.serverfault.com/questions/5763/why-sf-is-failing-the-dismal-future-of-serverfault