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

  - Fire Suppression: http://serverfault.com/q/25319

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

### EMail & Spam
  - Incoming: http://serverfault.com/q/419407
  - Bystander: http://serverfault.com/q/415533
  - Outgoing: http://serverfault.com/q/48428

### Hardware

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

### Hosting provider/server hardware shopping

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

### Infrastructure Software

  - http://serverfault.com/q/402580
  - http://serverfault.com/q/368512
  - http://serverfault.com/q/406240

  #### DNS

    - http://serverfault.com/q/125371
    - http://serverfault.com/q/309622
    - http://serverfault.com/q/74362
    - http://serverfault.com/q/355887

### Licensing

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

### Networking

  - http://serverfault.com/q/333816
  - Hairpin NAT: http://serverfault.com/q/252521
  - http://serverfault.com/q/44
  - http://serverfault.com/q/394393
  - http://serverfault.com/q/49765

### Security

  - http://serverfault.com/q/218005
  - Linux Webserver Rights: http://serverfault.com/q/357108
  - Misbehaving users: 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

### SSH

  - ProxyCommand: http://serverfault.com/q/48808

### Terminal Server (RDS)

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

### Uptime

   - http://serverfault.com/q/316637
   - http://serverfault.com/q/130300

### Virtualization

  - http://serverfault.com/q/7690

### Web Servers

   - mod_rewrite: http://serverfault.com/q/214512
   - Picking the right MPM (on *NIX systems): http://serverfault.com/questions/383526
   - One-click (x)AMP: http://meta.serverfault.com/questions/1968
   - http://serverfault.com/questions/108545
   - SNI: http://serverfault.com/questions/109800