Technical OverviewTechnical Overview

RaQ 3i

RaQ 3i HardwareRaQ 3i Hardware

“RaQ ‘em and stack ‘em”

Hardware SpecificationsHardware 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

More Hardware SpecificationsMore Hardware Specifications

• Dual serial ports• USB port• 512K L2 cache• PCI standard slot with some additional space

for long cards <10.5”(267mm) long• SDRAM DIMM <1.5”(38.1mm) tall and <.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

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

Software SpecificationsSoftware Specifications

“Linux…Cobalt’s Way”

Software SpecificationsSoftware 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

Additional FeaturesAdditional 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

Development and Development and Administration ToolsAdministration 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

RaQ 3 AdministrationRaQ 3 Administration

“Reducing work…”

Administrative Capabilities of Administrative Capabilities of the Site Userthe 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

• 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

Administrative Capabilities of the Site Administrator

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

RaQ 3 AdministrationRaQ 3 Administration

RaQ admin siteadm@dom1.com siteadm@dom2.com siteadm@dom3.com siteadm@dom4.com

user2@dom1.com

user4@dom1.com

user2@dom2.com

user5@dom3.com

user4@dom4.com

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

Administration Hierarchy

Users manage themselves without disruption of others on the box

•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

Site administrators can only manage their domains, and not access or affect othersRaQ 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

RaQ 3 Initial SetupRaQ 3 Initial Setup

The Welcome Screen and Setup Wizard

“Welcome”

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

etc.)

Web Setup – Page 1/14 Entries:•Host•Domain•Primary DNS•Secondary DNS

Type password in twice - it doesnot echo on-screen

Decide what services

Date/Time Setup

Default pageDefault page

The Role of the RaQ adminThe Role of the RaQ admin

RaQ admin: Control Panel: RaQ admin: Control Panel: RaQ 3 ServicesRaQ 3 Services

EmailEmail FTPFTP TelnetTelnet

SNMPSNMP WebWeb DNSDNS

RaQ admin: Control Panel: RaQ admin: Control Panel: EmailEmail

E-MailE-Mail

RaQ admin: Control Panel: RaQ admin: Control Panel: Email ParametersEmail Parameters

RaQ admin: Control Panel: RaQ admin: Control Panel: SNMPSNMP

SNMPSNMP

RaQ admin: Control Panel: RaQ admin: Control Panel: SNMP ParametersSNMP 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

RaQ admin: Control Panel: RaQ admin: Control Panel: LegatoLegato

LegatoLegato

RaQ admin: Control Panel: RaQ admin: Control Panel: LegatoLegato

RaQ admin: Control Panel: RaQ admin: Control Panel: ArkeiaArkeia

ArkeiaArkeia

RaQ admin: Control Panel: RaQ admin: Control Panel: ArkeiaArkeia

Arkeia client software already loaded.

RaQ admin: Control Panel: RaQ admin: Control Panel: DNSDNS

DNSDNS

RaQ admin: Control Panel: RaQ admin: Control Panel: DNS ParametersDNS Parameters

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

Only one domaindisplays at a time

RaQ admin: Control Panel: RaQ admin: Control Panel: DNS: Adding DNS RecordsDNS: Adding DNS Records

Authoritative and Alias Records

RaQ admin: Control Panel: RaQ admin: Control Panel: DNS: MX & Reverse DNSDNS: MX & Reverse DNS

Each IP address should have just one Reverse record

Net Mask is RFC 2317 compliant to support small (<255) network ranges

A domain can have multiple precedence Mail Exchange records

RaQ admin: Control Panel: RaQ admin: Control Panel: DNS: Secondary DNSDNS: Secondary DNS

Many NIC’s (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.

RaQ admin: Control Panel: RaQ admin: Control Panel: DNS: Server Settings (SOA)DNS: Server Settings (SOA)

RaQ admin: Control Panel: RaQ admin: Control Panel: Date and TimeDate and Time

Click here for date/time configuration

RaQ admin: Control Panel: RaQ admin: Control Panel: Date and TimeDate and Time

RaQ admin: Control Panel: RaQ admin: Control Panel: ApacheApache

Web Server (Apache)Web Server (Apache)

RaQ admin: Site Management:RaQ admin: Site Management:

Note:Note: Access to this screen is restricted to the RaQ admin Access to this screen is restricted to the RaQ admin

Virtual Site List, Virtual Site List, which is basically which is basically httpd.confhttpd.conf

Click on Add Virtual Site, to Click on Add Virtual Site, to add a siteadd a site

RaQ admin: Site Management: RaQ admin: Site Management: Add Virtual SiteAdd Virtual Site

These box allows for email @domain.com and sites using just domain.com without www.

Decide whether a site has shell accounts, cgi, SSI, Frontpage extensions

Anonymous FTP configuration

Enter IP number, hostname, domain name…

RaQ admin: Site Management:RaQ admin: Site Management:

Note:Note: Access to this screen is restricted to the RaQ admin Access to this screen is restricted to the RaQ admin

The added sites The added sites show up here.show up here.

RaQ admin: Maintenance: RaQ admin: Maintenance: BackupBackup

RaQ admin: Maintenance: RaQ admin: Maintenance: Backup: ScheduledBackup: Scheduled

RaQ admin: Maintenance: RaQ admin: Maintenance: RestoreRestore

The RaQ creates a .raq file during backup, locate this file for restore

RaQ admin: Maintenance: RaQ admin: Maintenance: Install SoftwareInstall Software

Used for third-party software and Cobalt upgrades

RaQ admin: Site Usage: TotalRaQ admin: Site Usage: Total

RaQ admin: Site Usage: WebRaQ admin: Site Usage: Web

RaQ admin: Site Usage: EmailRaQ admin: Site Usage: Email

RaQ admin: System StatusRaQ admin: System Status

The Site adminThe 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

Site admin

To manage a site, To manage a site, click on the wrenchclick on the wrench

Site admin: Add/Delete usersSite admin: Add/Delete users

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

Site admin: Add usersSite 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

Site admin: USite admin: Users List

Site admin

Frontpage access

Edit user email settings

Edit user

Delete user

Icons represent different

privileges and functions

Site admin: Add Mailing List Site admin: Add Mailing List (majordomo)(majordomo)

Site admin: Mailing List Site admin: Mailing List ManagementManagement

You can password protect the mailing list, modify list admin privileges, add external recipients, add and delete from local users lists

Site admin: SSL SettingsSite admin: SSL Settings

Input site certificate information

Site admin: BackupSite admin: Backup

Incremental / Full Backup

User Self AdministrationUser Self Administration

User Self Administration

• Profile Settings

Manual’s Appendix CManual’s Appendix C

Configuration FilesConfiguration 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.

Directory StructureDirectory 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://<Ipaddress>/testdir/test.html

• Virtual Site Home Page– /home/sites/<sitename>/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

CGI UsageCGI 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/)

3rd Party Applications3rd Party Applications

• Many…

• And Many More…

Where to get helpWhere to get help

• Manual’s Appendices

• http://kb.cobalt.com

• +1 (650) 623-2679 [USA]

• support@cobalt.com

• http://cobalt.user-help.org/

• Mailing list support: cobalt-users@cobalt.com