RaQ 2 Technical Overview

1
Technical Overview
RaQ 3i
2
RaQ 3i Hardware

• RaQ em and stack em

3
Hardware Specifications

• AMD K6-2 300MHz, x86-compatible superscalar
  processor
• Dual 10/100, auto-sensing Ethernet
• Ultra Wide SCSI connector RaQ 3i
• 40W max continuous power
• LED status lights front and back
• 1 RU form factor enables up to 40 units in a
  standard rack
• 32MB up to 512MB RAM
• 4.3GB up to 20GB ATA hard drive

4
More Hardware Specifications

• Dual serial ports
• USB port
• 512K L2 cache
• PCI standard slot with some additional space for
  long cards lt10.5(267mm) long
• SDRAM DIMM lt1.5(38.1mm) tall and lt.158 (4.0mm)
  thick, (3.3V, 168-pin, non-parity, unbuffered)
• External ultra-wide SCSI interface (mini-micro
  68-pin) 40MB/sec
• Support for UPS

5
LCD Panel

• Panel has root-level access
• Set IP number (ifconfig)
• Set subnet mask (ifconfig)
• Set gateway (ifconfig)
• Can restart or shutdown system (shutdown)
• Change UPS status
• Clear administrator password

6
Software Specifications

• LinuxCobalts Way

7
Software Specifications

• Cobalt Linux kernel 2.2.12
• Apache 1.3.6 - Web Server
• Bind 8.2 - DNS server
• sendmail 8.9.3 - Email Server
• perl 5.005 mark3
• mod_perl 1.21

8
Additional Features

• OpenSSL .93a for system administration
• OpenSSL .93a configurable for each virtual site
• postgreSQL 6.5.2 for system configuration
• majordomo 1.94.4 mail-list support

9
Development and Administration Tools

• GNU C/C compiler (gcc) and libraries
• Java Run-time Environment
• GNU Bourne Again Shell (bash)
• emacs, vi
• ls, mv, cp, ln, rm,chmod, chown, chgrp, du, df
• sed, awk, diff
• cat, more, less
• find, grep, which
• gzip, tar, cpio, rpm
• ftp, telnet, netstat, ping, finger, mail, pine

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RaQ 3 Administration

• Reducing work

11
Administrative Capabilities of the Site User

• Modify
• Password
• Email forwarding
• Email vacation autoresponder
• Post data files to home directory
• Post web content to home directory via FTP
• Backup / restore home directory

12
Administrative Capabilities of the Site
Administrator

• All the capabilities of the site user, plus
• Create delete users
• Manage users settings
• Email aliases
• Determine access rights and level of users
• Modify the web pages associated to site
• View / download web log data
• Perform site backup restore
• Post files to FTP site
• Configure SSL

13
Administrative Capabilities of the RaQ 3
Administrator

• All the abilities of the site administrator,
  plus
• root access
• Creates and delete sites
• Determine service status for web, ftp, email,
  shell
• Manages email configuration
• Creates / manages DNS
• Configures bandwidth management
• Suspends sites
• Performs maintenance
• Backup and restore
• Update software
• Monitoring system operation and status

14
RaQ 3 Administration

• RaQ ADMINISTRATOR MANAGES IT ALL
• All the abilities of the site administrator,
  plus
• root access
• Creates and delete sites
• Determine service status for web, ftp, email,
  shell
• Manages email configuration
• Creates / manages DNS
• Configures bandwidth management
• Suspends sites
• Performs maintenance
• Backup and restore
• Update software
• Monitoring system operation and status

• Administration Hierarchy

• USERS ADMINISTRATE THEMSELVES
• Modify password
• Email forwarding vacation autoresponder
• Backup home directory
• Restore home directory

• All the capabilities of the site user, plus
• Create delete users
• Manage users settings
• Email aliases
• Determine access rights and level of users
• Modify the web pages associated to site
• View / download web log data
• Perform site backup restore
• Post files to FTP site
• Configure SSL

15
RaQ 3 Initial Setup

• The Welcome Screen and Setup Wizard

16
Welcome

• From ANY html browser access the RaQ 3i using the
  IP number (Windows, MacOS, Linux, etc.)

17
Web Setup Page 1/1
18
Default page
19
The Role of the RaQ admin
20
RaQ admin Control Panel RaQ 3 Services

• Email FTP Telnet
• SNMP Web DNS

21
RaQ admin Control Panel Email

• E-Mail

22
RaQ admin Control Panel Email Parameters
23
RaQ admin Control Panel SNMP

• SNMP

24
RaQ admin Control Panel SNMP Parameters

• Support for Public R/W Communities
• Includes Linux specific MIB information
• Reports each IP interface
• Current System Load
• Load average over 1, 5 15 minutes
• CPU type

25
RaQ admin Control Panel Legato

• Legato

26
RaQ admin Control Panel Legato
27
RaQ admin Control Panel Arkeia

• Arkeia

28
RaQ admin Control Panel Arkeia
Arkeia client software already loaded.
29
RaQ admin Control Panel DNS

• DNS

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RaQ admin Control Panel DNS Parameters

• Enhanced interface provides support for A, CNAME,
  MX PTR records

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RaQ admin Control Panel DNS Adding DNS Records
Authoritative and Alias Records
32
RaQ admin Control Panel DNS MX Reverse DNS
A domain can have multiple precedence Mail
Exchange records

• Each IP address should have just one Reverse
  recordNet Mask is RFC 2317 compliant to support
  small (lt255) network ranges

33
RaQ admin Control Panel DNS Secondary DNS

• Many NICs (esp. Europe) now require two NS
  records to be populated before they will register
  a domain. They will check your Primary Server to
  verify that the domain is being served.

34
RaQ admin Control Panel DNS Server Settings
(SOA)
35
RaQ admin Control Panel Date and Time
36
RaQ admin Control Panel Date and Time
37
RaQ admin Control Panel Apache

• Web Server (Apache)

38
RaQ admin Site Management
Note Access to this screen is restricted to the
RaQ admin
39
RaQ admin Site Management Add Virtual Site
40
RaQ admin Site Management
Note Access to this screen is restricted to the
RaQ admin
41
RaQ admin Maintenance Backup
42
RaQ admin Maintenance Backup Scheduled
43
RaQ admin Maintenance Restore
The RaQ creates a .raq file during backup, locate
this file for restore
44
RaQ admin Maintenance Install Software
Used for third-party software and Cobalt upgrades
45
RaQ admin Site Usage Total
46
RaQ admin Site Usage Web
47
RaQ admin Site Usage Email
48
RaQ admin System Status
49
The Site admin
50
Site admin

• All the capabilities of the site user, plus
• Create delete users
• Manage users settings
• Email aliases
• Determine access rights and level of users
• Modify the web pages associated to site
• View / download web log data
• Perform site backup restore
• Post files to FTP site
• Configure SSL

51
Site admin Add/Delete users

• Once you create a site, you should populate it
  with users and at least 1 Site Admin.

52
Site admin Add users
Telnet Access (shell account) Leave this off for
POP / E-mail only Promote / demote Site
Admin Enable FrontPage if the RaQ admin has
enabled it for the site Set E-mail Aliases
53
Site admin Users List
Icons represent different privileges and functions
54
Site admin Add Mailing List (majordomo)
55
Site admin Mailing List Management
You can password protect the mailing list, modify
list admin privileges, add external recipients,
add and delete from local users lists
56
Site admin SSL Settings
Input site certificate information
57
Site admin Backup
58
User Self Administration
59
User Self Administration

• Profile Settings

60
Manuals Appendix C
61
Configuration Files

• Email
• /etc/inetd.conf
• /etc/sendmail.
• /etc/mail/
• DNS
• /etc/named/
• FTP
• /etc/proftpd.conf
• Apache
• /etc/httpd/conf/.conf

If necessary, you can change some configuration
files for the RaQ for development purposes, but
this may void your warranty. Please read your
warranty card before making any changes.
62
Directory Structure

• RaQ 3 home page
• /home/sites/home/web
• E.g. a file saved as
• /home/sites/home/web/testdir/test.html
• Can be accessed as
• http//ltIpaddressgt/testdir/test.html
• Virtual Site Home Page
• /home/sites/ltsitenamegt/web
• E.g. www.cobalt.com would have a document root of
• /home/sites/www.cobalt.com/web
• Only the RaQ admin and site admin can upload to
  this directory

63
CGI Usage

• You can save CGI files in any directory on your
  site
• Provided that CGI is enabled
• The CGI file is executable
• File ends with a .pl or .cgi extension
• The Web server is configure to execute CGI
  scripts using cgiwrap, which preserves the
  permissions set for the executing script.
  (www.umr.edu/cgiwrap/)

64
3rd Party Applications

• Many

• And Many More

65
Where to get help

• Manuals Appendices
• http//kb.cobalt.com
• 1 [phone] USA
• support_at_cobalt.com
• http//cobalt.user-help.org/
• Mailing list support cobalt-users_at_cobalt.com