These are not detailed help articles, but this is what i done for my debian linux web and mail server over the
time i use linux:

1. Install The Base System
2. Setup The DNS and DHCP server dnsmasq
3. Setup The Network
4. Setup The Apache2 Web Server
5. Setup The Mail Server exim4
6. Retrive your emails from the mail servers to local pc
7. Setup the DNS server for Dynamic Ip
8. Setup The MX for Mail Server
9. Setup The Squirrelmail
10. Setup The Samba Server
11. Configure the iptables
12. Setup The firewall
13. Make a local APT Repository
14. Configure grub2
15. Install virtualbox additions, jre and flash player
16. Some linux basic commands
17. Roundcube web mail installation
18. apt-cacher-ng a cacher for deb packages
19. Install the HP printer
20. Some other tips and errors