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Bigbro Outline

Intro
Essential Details
Account Structure and Management
File System and Organization.
Network Access to Bigbro
Backing Up and Archiving
Updating SuSE 
Mail
Web Serving
Security
References
Notes
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Intro - 
	- Bigbro is the network mail and web server.
	- Bigbro is a Dell Optiplex GX400.  1.7 GHz.
	- Bigbro has  2* 80 Gig IDE Hard Drives
	- Bigbro needs to be up as much as possible so all mail deliveries reach it.
	- Don't mess with it unless you have to.

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Essential Details

Operating System = SuSE Linux 7.3.
IP = 128.253.36.10
Name = Bigbro.biophys.cornell.edu
Hard Drives
	Drive One	
		/dev/hda1 - /
		/dev/hda7 - /home
		/dev/hda8 - /usr
		/dev/hda6 - /var
	Drive Two
		/dev/hdb1 - /mnt/hdb

Administer using root.  Root password in Computer Logbook
Have an admin account.  Password in Computer Logbook.
Each user has own account.  However, logins and ssh are blocked.  Served only as
a mailbox.

See Install for details of little quirks.

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Backing Up and Archiving
	
	Rsynch is set up to do this automatically.
	Look in the FILES folder for details.

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Upgrading SuSE

	Done using YaST2.  Dan Schuette's got the most experience here.

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Mail

	Bigbro acts as a mail server.
	Postfix is the daemon that monitors the SMTP port.
	All mail is accepted by bigbro.
	SMTP Authentication is used to permit relaying.
	Imap over Stunnel is available for reading mail remotely.
	Look at the MAIL file for details.

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Web Serving

	Run Apache web server.
	Files are located in /usr/local/html.
	At present, rsync is used to match this with the Windows copy of the website with an rsync link.
	See the WEB folder for details.	

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Security	

	Bigbro has a firewall that protects via packet filtering.
	Inetd.conf is used to regulate access to normal services. (imaps)
	All other services (www, smtp, ssh, etc.) go to system logs.
	See the Security folder for details.
	
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References

	See individual files.