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Appendix D

178

Advanced DNS

Network Mask Notation Conversion

Use Table 2 to convert between dot-quad and bit-count subnet mask and
network size notations.

Table 2

Network Mask Notation Conversion.

Dot-Quad

Bit count

255.0.0.0

255.128.0.0

255.192.0.0

255.224.0.0

255.240.0.0

255.248.0.0

255.252.0.0

255.254.0.0

255.255.0.0

255.255.128.0

255.255.192.0

255.255.224.0

255.255.240.0

255.255.248.0

255.255.252.0

255.255.254.0

255.255.255.0

255.255.255.128

255.255.255.192

255.255.255.224

255.255.255.240

255.255.255.248

Содержание Cobalt Qube 2

Страница 1: ...Cobalt QubeTM 2 User Manual...

Страница 2: ...a complete listing of the software used within the Cobalt Qube 2 and the terms under which it can be distributed refer to the Cobalt Web site at http www cobalt com The copyright for the Glimpse searc...

Страница 3: ...stem no longer keeps accurate time and date settings it may be time to change the battery Contact Cobalt for service information There are no operator serviceable parts inside Warning There is a dange...

Страница 4: ...o not disassemble this product Take it to a qualified service person when service or repair work is required Opening or removing covers may expose you to dangerous voltage or other risks Incorrect rea...

Страница 5: ...ing the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Re orient or re locate the receiving antenna Increase the separation bet...

Страница 6: ...vi...

Страница 7: ...and Service 8 Email contact 8 Technical Support telephone numbers 8 Further information 9 Before contacting Cobalt Networks Technical Support 10 To speed up your support call 10 Cobalt logo badge 11...

Страница 8: ...ing your Personal Profile 34 Using email on the Qube 2 34 Setting up your email client 35 Email aliases 36 Email relaying 37 Developing Web pages 38 FrontPage 98 and FrontPage 2000 Server Extensions 3...

Страница 9: ...s 53 Creating a new InfoBase 53 Install software 53 4 Administrator Site 55 Qube 2 Administrator 57 Configuring the Qube 2 Administrator settings 57 Modifying the Qube 2 Administrator settings 59 Rese...

Страница 10: ...odem settings 86 Verifying the status of the modem connection 87 Control Panel 87 Services 88 Managing the settings for the services 89 Web server 89 Discussion group 89 Email server 89 SMTP server 90...

Страница 11: ...store 117 Install software 119 Third party software 121 Installing third party software 121 Reboot 121 Shutdown 122 System Status 122 Memory 123 Central Processing Unit CPU 123 Disk 123 Network 124 Mo...

Страница 12: ...on through discussions 135 Rules of discussions 135 Description of a discussion thread 135 Creating a new discussion topic 137 Joining an existing discussion 138 Viewing an existing message 138 Changi...

Страница 13: ...documents 154 Administrator Site 154 A Using the LCD console 155 Changing network configuration 156 Rebooting 157 Powering down 158 Resetting network configuration 159 Resetting IP Firewall 160 B Pro...

Страница 14: ...mail server MX record 175 Specifying an alias CNAME record 176 Configuring a secondary DNS server 177 Adding a secondary name server authority for a domain 177 Adding a secondary name server authorit...

Страница 15: ...t through a modem or the second Ethernet port to connect through a leased line File sharing By displaying the Qube 2 on the desktop as a shared network device you can move files easily to and from the...

Страница 16: ...igure 1 and Figure 2 show the Qube 2 controls indicators and connectors Front view of the Qube 2 The indicator light bar on the front glows green when the Qube 2 is powered on Figure 1 Qube 2 front vi...

Страница 17: ...on page 166 2 The On Off switch powers the Qube 2 on or off 3 You can use the recessed Reset Password button if you forget the Qube 2 Administrator password See Resetting the Qube 2 Administrator pass...

Страница 18: ...is used to secure the unit with a standard computer locking security cable Qube 2 requirements To use the Qube 2 you need A 10 100BaseTX Transmission Control Protocol Internet Protocol TCP IP based lo...

Страница 19: ...loper Network Cobalt provides a wide range of resources such as technical notes and white papers for developers of Linux applications for Cobalt platforms Premium resources are also available To regis...

Страница 20: ...Chapter 1 6 Figure 3 Administrator Site screen Figure 4 Public Site screen...

Страница 21: ...Administrator user interface UI screen Chapter 5 Public Site on page 129 explains the features on the Qube 2 Public Site UI screen Appendix A Using the LCD console on page 155 explains the LCD consol...

Страница 22: ...or send email to info cobalt com In Europe the Middle East and Africa call 31 71 565 7000 or send email to info emea cobalt com In Japan send email to info japan cobalt com Cobalt Technical Support an...

Страница 23: ...or users to address network security issues on Cobalt products The Knowledge Base Cobalt offers access to its online database of common installation and configuration problems and solutions You can ac...

Страница 24: ...r your questions The Technical Support KnowledgeBase the User Groups the Online Documentation and the Solutions page offer a wealth of information and may answer your question quickly To speed up your...

Страница 25: ...of RAM the size of the hard disk the version of the Cobalt OS Cobalt Networks trademark information The table also contains three hypertext links About The Product displays the services available on...

Страница 26: ...Chapter 1 12...

Страница 27: ...ess occurs in two phases Phase 1 Making the Connection explains the physical connection of the Qube 2 to a power source and the network Phase 2 Setting up with the Web browser explains the network int...

Страница 28: ...supply cord to an electrical outlet Powering on the Qube 2 Turn on the power by pressing the On Off switch on the back of the Qube 2 see Figure 2 The hard disk spins up and the fan turns on The light...

Страница 29: ...connect to another network through the Qube 2 you require a gateway address If you use a modem to connect to the Internet the modem serves as the gateway Using the LCD console to configure the networ...

Страница 30: ...he information entered or the option displayed Configuring the Qube 2 through a DHCP server The Qube 2 first checks to see whether a DHCP server is present on the network If there is a functioning DHC...

Страница 31: ...or appears on the second line of the LCD display The following steps explain how to enter the required network information for the Primary Network Interface The Secondary Network Interface is configur...

Страница 32: ...y 6 Press the button The LCD displays S AVE C ANCEL 7 To save the configuration information use the left and right arrow buttons to select S ave and then press the button You ll see VERIFYING AND SAVI...

Страница 33: ...that has a browser To use the browser to set up the Qube 2 follow these steps 1 Launch a standard Web browser on any computer connected to the network 2 Enter the IP address of the Qube 2 displayed on...

Страница 34: ...when an illegal value or a problem is encountered When the information is entered correctly at each stage the Qube 2 enters the changes in its configuration files before proceeding to the next step C...

Страница 35: ...name and not just by its IP address enter the IP address of your domain name system DNS server A DNS server maintains a list of computer names and their IP addresses The Qube 2 needs access to this l...

Страница 36: ...s see Figure 9 The Qube 2 Administrator has several responsibilities 1 setting up and maintaining the users groups and services on the Qube 2 2 responding to email alerts from the Qube 2 in order to f...

Страница 37: ...the admin account as his or her main email account This address can be an email address on the Qube 2 or an external address Note We recommend that you reserve the email account admin for system mess...

Страница 38: ...ates the password at eight characters and verifies the password against those eight characters only The valid characters include a z A Z 0 9 _ 2 Use both upper and lower case letters Note A password i...

Страница 39: ...en appears see Figure 10 Choose the services that you would like to be active on the Qube 2 For an explanation of services refer to Chapter 3 Services on the Qube 2 on page 33 Click the NEXT button to...

Страница 40: ...tup screen appears see Figure 11 Enter the current date time and time zone on the Qube 2 For more information on the time settings see Time on page 110 Click the NEXT button to move to the next screen...

Страница 41: ...ny individual to self register as a user The restricted option allows only the Qube 2 Administrator to add a user Note Cobalt recommends using the restricted option For more information on the setting...

Страница 42: ...uring the user settings on page 61 The Qube 2 Administrator can manage the services on the Qube 2 The administrator is also a special user that is he or she is by default a member of all groups create...

Страница 43: ...rage and private discussion area Set Group Defaults establishes the maximum allowed disk space that groups can use Note To add groups through the browser interface after the Qube 2 is set up see Confi...

Страница 44: ...and new product information Cobalt Networks Inc 555 Ellis Street Mountain View CA USA 94043 Note If you are not yet connected to the Internet you cannot register online Completing configuration with t...

Страница 45: ...Setting up the Qube 2 31 Figure 15 shows the online registration page Figure 15 Online registration page...

Страница 46: ...Chapter 2 32 Figure 16 shows the Public Site screen on the Qube 2 Figure 16 Public site on the Qube 2...

Страница 47: ...129 These services include email and mailing lists Web publishing file sharing through Windows file sharing Appleshare and file transfer protocol FTP discussion groups Dynamic Host Configuration Proto...

Страница 48: ...ail usage data backup restore Page Builder For more information see Personal Profile on page 144 Using email on the Qube 2 To use all of the Qube 2 s email capabilities you must configure the email pa...

Страница 49: ...e hostname is the name assigned to the Qube 2 for example qube1 domainname is either the official domain name that is registered with InterNIC for example cobalt com or an intranet domain name specifi...

Страница 50: ...xample Timothy Stonis can have can have the aliases timothy xyz com and tim stonis abc com if he were an avid soccer player he might want to use the alias striker xyz com All of these aliases point to...

Страница 51: ...s are defined by host or domain names as well as by IP addresses and networks A network is a range of IP addresses a network can be as small as one IP address but that is not very practical Caution So...

Страница 52: ...r more information see Enabling the email relaying feature on page 94 Developing Web pages The Qube 2 automatically provides a default home page for each individual user and each group It also support...

Страница 53: ...te and link the Web pages themselves on your desktop computer and then move them to the appropriate subdirectory in the Qube 2 through an FTP application see Publishing Web pages using FTP on page 40...

Страница 54: ...e the following information the host name or the IP address of your Qube 2 your username and password a filename of your choice to save as your main page the default filename is index html Launch your...

Страница 55: ...mounted the Qube 2 you can copy and move individual files and entire subdirectories to and from the Qube 2 by dragging and dropping The method of connecting to the Qube 2 varies depending on your comp...

Страница 56: ...d opens a window that provides an overview of the files and subdirectories that you can access Note If you don t see the Network Neighborhood on your computer consult with your network administrator B...

Страница 57: ...st connect to your Qube 2 through Network Neighborhood on your Windows desktop 6 Double click on the Network Neighborhood icon The Qube 2 listed as the hostname assigned to the Qube 2 should be includ...

Страница 58: ...ote The Qube 2 Administrator can change the server workgroup name through the Control Panel so that it matches your Windows 95 98 workgroup name See Windows file sharing SMB on page 97 Setting up Wind...

Страница 59: ...are The Macintosh file sharing protocol is calledAppleShare IfAppleShare is enabled in the Setup Wizard the Qube 2 appears as an AppleShare volume in the Macintosh s Chooser 1 From the Apple menu in t...

Страница 60: ...r Protocol FTP is typically available on platforms that support Transmission Control Protocol Internet Protocol TCP IP which are the underlying protocols used by the Qube 2 FTP is designed for transfe...

Страница 61: ...Host Configuration Protocol DHCP allows the Qube 2 to assign automatically the network configuration information such as IP address domain name DNS service subnet mask and gateway to client computers...

Страница 62: ...e 2 The Qube 2 then sends back to the client a renewed lease time along with any other settings that have changed for example new IP address es for the DNS server A short lease time is useful in a net...

Страница 63: ...own as a DHCP Offer to the DHCP client 3 The DHCP client looks at the DHCP Offer it has received from the Qube 2 and sends back an acknowledgment ACK message to the Qube 2 4 The Qube 2 responds to the...

Страница 64: ...puter Network Address Translation NAT The Network Address Translation NAT feature simplifies and conserves IP addresses by presenting a single IP address for a private network to the public network NA...

Страница 65: ...nique on the internal network into the legal address of the secondary interface packets are then forwarded onto the Internet For incoming packets NAT does the opposite NAT receives a packet from the I...

Страница 66: ...modem your Qube 2 can provide Internet access for your network no router is required For more information see Modem settings and the high speed serial port on page 84 Searching for information on the...

Страница 67: ...Managing documents on page 151 Creating a new InfoBase The Qube 2 Administrator can create can create an Infobase for any group To create a new InfoBase 1 On the Public Site screen click Programs on...

Страница 68: ...Chapter 3 54...

Страница 69: ...name domainname admin into your browser You are prompted for the Qube 2 Administrator user name and password Figure 17 shows the Administrator Site screen The options on this screen are described in t...

Страница 70: ...Chapter 4 56 Figure 17 Administrator Site screen...

Страница 71: ...Caution Be sure to remember the password you enter here otherwise you will need to reset it See Resetting the Qube 2 Administrator password on page 60 To configure the settings for the Qube 2 Administ...

Страница 72: ...Chapter 4 58 Figure 18 shows the Administrator Settings table Figure 18 Administrator Settings table...

Страница 73: ...e Administrator settings table appears 2 Modify the one or all of the following fields You cannot modify the user name Full name Enter the first name and last name of the administrator separated by a...

Страница 74: ...Push and hold a paper clip in the recessed Reset Password button on the back of the Qube 2 see Figure 2 Hold the button in for approximately 2 seconds The LCD screen displays RESETTING ADMIN PASSWORD...

Страница 75: ...dd a user modify the user s information modify the user s email settings remove a user Configuring the default user settings To configure the default user settings 1 On the Administrator Site screen c...

Страница 76: ...Chapter 4 62 Figure 19 shows the User Defaults table Figure 19 User Defaults table...

Страница 77: ...r can change the generated user name Password Enter the password twice to ensure that you have entered it as intended For guidelines on choosing a password see Password guidelines on page 24 Maximum a...

Страница 78: ...Chapter 4 64 Figure 20 shows the Add New User table Figure 20 Add New User table...

Страница 79: ...full name Enter the first and last names of the user separated by a space for example Alan Williams New password Enter the new password twice to ensure that you have entered it as intended For guideli...

Страница 80: ...mail aliases Enter additional names for which the user can receive email To add more than one alias enter one alias per line or separate them with spaces For more information on email aliases see Emai...

Страница 81: ...Administrator Site 67 Figure 21 shows the Email Settings table for a user Figure 21 Email Settings table...

Страница 82: ...page 36 5 Click Save Changes The UI on the screen refreshes and the Users List table appears If you modified the email aliases the modifications show up in the table Removing a user To remove a user...

Страница 83: ...st click to turn their check boxes on or off Only members of a group can join in the threaded discussion of that group and view or post Web content to the home page of the private group The Qube 2 Adm...

Страница 84: ...p settings The Qube 2 Administrator can configure the default group settings add a group modify the members of a group and the maximum allowed disk space for the group remove a group The group home is...

Страница 85: ...List table appears 2 Click Set Group Defaults The Group Defaults table appears See Figure 23 3 Enter a value in MB for the maximum amount of disk space available to a group for file storage Web pages...

Страница 86: ...underscore _ characters Maximum allowed disk space MB This value is the amount of disk space available to a user for file storage and Web pages The value entered must be a whole number greater than ze...

Страница 87: ...Administrator Site 73 Figure 24 shows the Add New Group table Figure 24 Add New Group table...

Страница 88: ...fields Maximum allowed disk space MB This value is the amount of disk space available to a user for file storage and Web pages The value entered must be a whole number greater than zero Group Members...

Страница 89: ...st locate the group that you want to remove 3 Click the brown trashcan icon next to that group A confirmation dialog box appears asking if you want to delete the group 4 Click OK in the confirmation d...

Страница 90: ...y to a message addressed to a mailing list your reply is copied to everyone on the mailing list the reply does not go only to the sender The Qube is designed this way You can change the settings in ma...

Страница 91: ...sh letters numbers and the hyphen and underscore _ characters There is no limit on the number of characters in the name 4 Add recipients to the mailing list To add an external recipient to the mailing...

Страница 92: ...2 Administrator can create a mailing list for the user To do so 1 The Qube 2 Administrator creates a mailing list made up of the email addresses to which the user wants to forward the email See Adding...

Страница 93: ...lowercase English letters numbers and the hyphen and underscore _ characters There is no limit on the number of characters in the name External recipients Add or remove external recipients To add an...

Страница 94: ...d from the table Network In the Network section you can enter the network configuration information and the modem settings for the Qube 2 The network settings make the Qube 2 visible to other computer...

Страница 95: ...server s here Otherwise the Simple Mail Transfer Protocol SMTP will not work SMTP is used for transferring electronic mail messages For more information on DNS see Appendix D Domain Name System on pag...

Страница 96: ...or example mydomain com or xyz com The host name and domain name must be coordinated by the network administrator in order for you to access the Qube 2 by its name and not just by its IP address The Q...

Страница 97: ...from one network interface can be routed to another 3 Modify the one or all of the interface settings IP address This is the IP address of the primary interface which connects to your Intranet This fi...

Страница 98: ...be 2 1 On the Administrator Site screen click Network on the left The settings tables for the network configuration appear 2 In the Interface Settings table click the check box next to Network Address...

Страница 99: ...choose depends on your phone line and access charges If you have a dedicated phone line for Internet access then you can choose Always Connected If the phone line you use for Internet access is also...

Страница 100: ...is the user name used to log into the PPP account This is set by the provider of the PPP account for example your ISP New password This is the password used to authenticate the PPP connection for the...

Страница 101: ...m at the top The Modem Status table appears See Figure 28 Control Panel Through the Control Panel screen the Qube 2 Administrator can enter the settings for the services access rights to different fea...

Страница 102: ...Chapter 4 88 Services Figure 29 shows the Service Settings table of the Services section Figure 29 Service Settings table...

Страница 103: ...erver This service is always on It allows users to access Web content Discussion group This service is always on It allows users to access discussions groups Discussion groups are online discussions o...

Страница 104: ...Protocol 4 IMAP4 Users can send mail using the Simple Mail Transfer Protocol SMTP For the Qube 2 to receive email the network or system administrator must enter a mail server host name in your organi...

Страница 105: ...mail Parameters table 5 Click Save Changes in the Service Settings table Configure the email parameters as follows Email Delivery Settings table This option specifies how frequently email is delivered...

Страница 106: ...s to the appropriate values for accessing your multidrop mailbox The frequency settings control how often email is retrieved Note If you set the same frequency for email delivery and retrieval then bo...

Страница 107: ...s from which you want to block any email Anyone trying to send you messages from one of these addresses or domains will receive an error message in return Caution Some users advise you to open relay t...

Страница 108: ...rvice Settings table appears the Email server option is checked on by default 2 Click the Parameters link next to Email Server The Email Parameters table appears See Figure 30 One field is labeled Rel...

Страница 109: ...e in mydomain com add the string mydomain com in the text area If you intend to receive mail addressed directly to your domain name add that name here Note If you entering a domain name or part of a d...

Страница 110: ...mous FTP log on to the site with the user name guest or anonymous You can enter any password When you log on with one of these user names you enter the directory home groups home ftp This directory ca...

Страница 111: ...ndows file sharing parameters 1 On the Administrator Site screen click Control Panel on the left The Service Settings table appears the Windows file sharing option is checked on by default 2 Click Par...

Страница 112: ...f you do have a WINS server on your network be sure to specify the IP address of the WINS server in the Other machine field If you do not have a WINS server on your network choose Other machine field...

Страница 113: ...and read and write access to this SNMP agent The default read only community is public 6 Click Save Changes in the SNMP Parameters table 7 Click Save Changes in the Service Settings table Legato file...

Страница 114: ...onfiguration information to network devices that support DHCP including Macintosh and Windows desktop computers This information includes the domain name DNS service IP address subnet mask and gateway...

Страница 115: ...time In this field specify the maximum elapsed time in seconds before a lease expires 5 Click Save Changes in the Settings for DHCP Clients table 6 Click Back in the DHCP Parameters page 7 Click the...

Страница 116: ...3 4 2 and 205 3 4 3 to the DHCP clients Click Confirm Address Assignment The UI returns to the DHCP Parameters page 5 Click Add Static Address Assignment The Add New Static Address Assignment table ap...

Страница 117: ...s rights 1 On the Administrator Site screen click Control Panel on the left The Service Settings table appears 2 Click Access Rights at the top The tables for access rights appear See Figure 34 3 Ente...

Страница 118: ...ce problems on the server With this option you can set the access rights so that only the Qube 2 Administrator can add CGI script files or both users and the administrator can add CGI script files Ope...

Страница 119: ...shell scripts or use shell commands An advanced user is someone who is proficient in the internal workings of the Unix operating system With this option you specify who has telnet access to the Qube 2...

Страница 120: ...ny or all IP addresses IMPORTANT Adding or editing rules automatically disables IP filtering Click Enable IP Filtering to re enable IP filtering after editing a rule Coordinate this information with y...

Страница 121: ...on the Port port s using Protocol protocol s The default IP filtering rule is ALLOW packets from ANY address es to ANY address es on ANY port s using ALL protocol s Rule number The Rule Number determ...

Страница 122: ...ecimal Dotted Quad Example IP Address Ranges Filtered 32 bit 255 255 255 255 Filters only 192 168 27 2 24 bit 255 255 255 0 Filters from 192 168 27 0 to 192 168 27 255 16 bit 255 255 0 0 Filters from...

Страница 123: ...u want to modify 4 Click the green pencil icon next to that rule The Modify IP Filtering Rule table appears 5 Modify the one or all of the following fields See the description of each field under Addi...

Страница 124: ...removed from the table Time The Qube 2 Administrator can configure the correct time and date and the time zone for the Qube 2 1 On the Administrator Site screen click Control Panel on the left The Se...

Страница 125: ...appears 2 Choose a utility at the top The utilities are described in the following sections Backup Caution A backup captures data only for example email messages stored on the server or Web files It...

Страница 126: ...Chapter 4 112 Manual backup This feature allows administrators to manually back up data stored on the Qube 2 Figure 36 shows the File Backup table Figure 36 File Backup table...

Страница 127: ...up the files and email in box for a specific user Choose the user from the pull down menu Files and email of group This option backs up the files and email for a specific group Choose the group from t...

Страница 128: ...Chapter 4 114 Scheduled backup This feature allows administrators to schedule regular automatic backups Figure 37 shows the Scheduled File Backup table Figure 37 Scheduled File Backup table...

Страница 129: ...ay at 1 a m Weekly means every Sunday morning at 1 a m Saturday night going into Sunday morning Monthly means on the first day of every month at 1 a m 6 Choose a backup method FTP Server writes the ba...

Страница 130: ...ontain the password for the specified user or be left blank for anonymous logins For a backup by NFS Server The location should be server share where server is the NFS server and share is the NFS volu...

Страница 131: ...99 Caution The system restores data only for example email messages stored on the server or Web files It does NOT restore users or groups to a Qube 2 Caution The system does not merge the current and...

Страница 132: ...ted Note If the file does not appear in the list and you are using Netscape 4 x or Internet Explorer 4 x you may need to change File Type in the desktop to All Files 3 If you want to restore only some...

Страница 133: ...n add new software to the Qube 2 from the browser You can install new software obtained either from the Cobalt Networks Web site or from a CD supplied by Cobalt Networks Figure 39 shows the Install So...

Страница 134: ...omputer or click Browse to locate the package that you downloaded to your computer Click Open to select the package 6 Click Install a pkg package to automatically install or upgrade the new software o...

Страница 135: ...Networks Support page appears 2 Click Resources in the green bar at the top The Cobalt Support Resource page appears 3 Click How To s in the table 4 Under the heading Other Documents click How to cre...

Страница 136: ...system components is monitored by a Cobalt Networks utility called Active Monitor For more information see Active Monitor on page 127 To view the status of the various system components 1 On the Admin...

Страница 137: ...The CPU Usage chart provides a real time update of CPU load It indicates the number of tasks waiting to be executed This chart helps you evaluate whether the Qube 2 s CPU is being used heavily or ligh...

Страница 138: ...HCP and telnet services It follows the same LED conventions as the System Status section The status of the system services is monitored by a Cobalt Networks utility called Active Monitor For more info...

Страница 139: ...d on number and types of requests You can click Download Log File to save the statistics in a log file on your personal computer Other Web Usage Statistics includes Web content ranked by number of req...

Страница 140: ...tocol SNMP The Simple Network Management Protocol SNMP chart displays the operational status of the SNMP server either normal or otherwise Domain Name System DNS The Domain Name System DNS chart indic...

Страница 141: ...ey system information every 15 minutes Active Monitor checks the status of the Qube 2 functioning warning of failure failed or inactive the status of the services on the Qube 2 To access Active Monito...

Страница 142: ...lors and status indicators Color Status Green Correct functioning Yellow Advance warning of potential problems that should be investigated by the Qube 2 Administrator for example low disk space Red Fa...

Страница 143: ...ure your email options monitor the usage of your directory s disk space back up restore and transfer your files search for information on the Qube 2 To access the Public Site enter the IP address of t...

Страница 144: ...ctionality of the Qube 2 Additional help can be accessed on the Cobalt Networks Web page For more information see Cobalt logo badge on page 11 The Qube 2 Administrator or any member of the Home group...

Страница 145: ...n the Qube 2 visit a user s personal Web page send an email to a user Viewing the users To view the users click View Users The View User List table appears For each user the table displays the full na...

Страница 146: ...he View User List table click the Back button on your Web browser Sending an email to another user To send an email to another user 1 Click View Users The View User List table appears See Figure 44 2...

Страница 147: ...s private Web page available only to the members of the group send an email to a group post a message to a discussion board for the group Viewing the groups To view the groups click View Groups The Vi...

Страница 148: ...Figure 45 2 Click the green globe with padlock icon next to that group The private Web page is restricted to members of the group only An authentication dialog appears 3 Enter your user name and passw...

Страница 149: ...e who what and why of a particular topic Rules of discussions Discussions are group based and are automatically created for each group Only members of a particular group are allowed to participate in...

Страница 150: ...ext to a message shows that there are replies to that message and that the thread is currently revealed in the list Click on the green triangle to hide that thread of messages the green triangle becom...

Страница 151: ...ussion A separate browser window opens with the title of Discussion Group group name 3 Click New Message at the top The browser window displays the Discussion Group Message window Fill in the fields f...

Страница 152: ...of the discussion thread Any member of a group can add a new message reply to a message or delete any of the existing messages Viewing an existing message To view the body of a particular message cli...

Страница 153: ...n attachment to a message To add an attachment to a message 1 In the Discussion Group Message window click Add in the Attachment frame Again a separate browser window opens and offers a list of files...

Страница 154: ...th the new message Deleting a message To delete a message from the list 1 Click once on the message to highlight it 2 Click Delete Message at the top A confirmation dialog appears asking if you want t...

Страница 155: ...each stored text file is created on the Qube 2 every day at 1 00 a m This index is a database of all of the key words used in a particular file their location within that file and their relation to o...

Страница 156: ...of the public directories on the Qube 2 This search includes all of the user and group public directories but does not include any discussion groups All accessible documents allows an authenticated us...

Страница 157: ...ed list and show the following information for each match see Figure 49 title of the document a hypertext link the location of the document shown as a URL a hypertext link a summary of the context in...

Страница 158: ...the URL for the page and the first occurrence of the line within the file are listed To view the formatted HTML page in the browser window click the file Personal Profile You can manage your Qube 2 d...

Страница 159: ...each registered user An email message sent to a group address is distributed automatically to the email address of each individual who belongs to that group Group mailing lists can also include email...

Страница 160: ...vate the option 3 In the scrolling field type the text of the message you want to send to users while you are away 4 Click Save Changes Forwarding incoming email to several recipients If you will not...

Страница 161: ...backup process If you do or if the file transfer fails for any other reason you must delete the partial backup file stored on your personal computer and try again If you try to use a partial file to r...

Страница 162: ...the Qube 2 since the last backup are lost To restore the backed up files from your local disk to your home directory on the Qube 2 1 On the Personal Profile screen click Restore at the top The File Re...

Страница 163: ...w A blank window opens within the Page Builder tool 2 To start using the tool you first need to save a new HTML file On the left select New from the pull down menu 3 Enter the name of the file in the...

Страница 164: ...exit without saving your changes or Save and Exit to save your changes before exiting The Public Site screen appears Page Builder window There are four sections to the Page Builder window See Figure...

Страница 165: ...can also install software programs on the Qube 2 server Click Programs on the left A Program List table appears This tables lists all of the programs installed on the Cobalt server To access a program...

Страница 166: ...On the Public Site click Programs on the left The Program List table appears 2 Click InfoPlace Document Organizer in the table An authentication dialog appears 3 Enter your user name and password 4 Cl...

Страница 167: ...ources From the Log In screen select Overview to get a summary of the capabilities of the InfoPlace Document Organizer this summary appears in a separate browser window Once you have logged in to an I...

Страница 168: ...wser you have the option of checking the properties of each of these URLs You can also click on one of the URLs download the file to your computer and open the file in its original application as long...

Страница 169: ...h restarts the entire system power down the unit in a way that allows the Qube 2 to close all open files and minimizes startup time the next time the Qube 2 is powered on Caution It is important to fo...

Страница 170: ...of the Primary Network Interface using the arrow buttons 6 Press the button 7 Enter the Gateway using the arrow buttons 8 Press the button 9 Use the arrow buttons to toggle the cursor between S ave o...

Страница 171: ...the Enter button 4 Use the arrow buttons to toggle the cursor between Y and N Select Y to reboot the system 5 Press the button You can also reboot the Qube 2 through the Web browser 1 On the Administ...

Страница 172: ...down the button for approximately 2 seconds The LCD screen displays SELECT SETUP NETWORK 2 Press the button until POWER DOWN appears in the LCD screen SELECT POWER DOWN 3 Press the button 4 Use the a...

Страница 173: ...n until RESET NETWORK appears in the LCD screen SELECT RESET NETWORK 3 Press the button 4 Use the arrow buttons to toggle the cursor between Y and N Select Y to reset the network configuration 5 Press...

Страница 174: ...P NETWORK 2 Press the button until RESET FILTERS appears in the LCD screen SELECT RESET FILTERS 3 Press the button 4 Use the arrow buttons to toggle the cursor between Y and N Select Y to disable the...

Страница 175: ...AM two 128 MB modules Ultra ATA hard drive Two 10 100 BaseTX ethernet network interfaces PCI slot for expansion LCD console for easy setup and administration High speed serial port Software The Qube 2...

Страница 176: ...HTML indexing and searching Private discussion groups Browser based HTML editor Browser based backup and restore utility Browser based software upgrade Physical data The Qube 2 has the following physi...

Страница 177: ...must be less than 5 5 inches 139 mm long If you have 128 MB of memory installed the second memory slot slot 2 is empty in the Qube 2 If you add a memory module you can have mismatched sizes of memory...

Страница 178: ...heet metal cover underneath 5 Slide the plastic housing up Caution Pull the bottom piece out gently to get past the serial port 6 Turn the Qube 2 upside down Remove the two screws from the bottom to r...

Страница 179: ...ady installed you have to remove the card before you can add the memory module If a PCI card is not installed go to Step 4 2 Remove the screw holding the PCI card in place 3 Pull the PCI card out of t...

Страница 180: ...n the PCI connector on the I O board Fasten the PCI card in place with the screw that was holding the PCI slot cover 9 If you want to close up the Qube 2 go to Closing the Qube 2 on page 167 If you wa...

Страница 181: ...o that it locks into place 4 With the Qube 2 still upside down replace the two screws in the bottom to fasten the plastic skirt to sheet metal 5 Turn the Qube 2 right side up Ensure that the light bar...

Страница 182: ...e Qube 2 The I O board is installed on the bottom of the Qube 2 Figure 53 Layout of the input output board Serial port connector Secondary network interface Primary network interface Power supply conn...

Страница 183: ...shows the layout of the central processing unit CPU card in the Qube 2 The CPU card fits into a slot on the I O board in one direction only see Figure 53 Figure 54 Layout of the CPU board Memory Slot...

Страница 184: ...Appendix B 170...

Страница 185: ...tname cobalt Telnet access Warning to the Qube 2 Administrator You can adversely affect the performance of your Qube 2 if you modify system configuration files Check your warranty card for details War...

Страница 186: ...o develop highly interactive powerful Web based applications by building server side CGI scripts that generate Web pages in response to specific user inputs These applications range from simple schedu...

Страница 187: ...thers The host names mail and www represent different servers registered in the same domain A domain name is a computer name suffix shared by a group of computers in the same organization A domain nam...

Страница 188: ...your country specific domain naming organization Your Internet service provider ISP can help you register your Internet server To configure a primary DNS server for your Qube 2 1 On the Administrator...

Страница 189: ...name and domain name you want to serve for example www and yourdomain com and enter its IP address for example 192 168 1 1 and network mask for example 24 5 Click Update List 6 Click Save Changes to...

Страница 190: ...Instead add a new Address A Record for mydomain com to the IP address used by www mydomain com See Configuring a primary DNS server on page 174 To specify an alias CNAME record 1 On the Administrator...

Страница 191: ...be served by the IP address in the second field In the second field enter the IP address of the primary DNS server for the Qube 2 5 Click Update List 6 Click Save Changes to DNS Server Adding a secon...

Страница 192: ...ersion Dot Quad Bit count 255 0 0 0 8 255 128 0 0 9 255 192 0 0 10 255 224 0 0 11 255 240 0 0 12 255 248 0 0 13 255 252 0 0 14 255 254 0 0 15 255 255 0 0 16 255 255 128 0 17 255 255 192 0 18 255 255 2...

Страница 193: ...examples we will configure a sample domain called mydomain com for Web service and e mail service using a sample IP address 192 168 10 10 IMPORTANT Substitute your domain name and IP address where th...

Страница 194: ...server in the Cobalt user interface UI 1 On the Administrator Site screen click Control Panel on the left The Service Settings table appears 2 Click the check box to enable Domain Name System DNS serv...

Страница 195: ...me field type mydomain com In the IP Address field type 192 168 10 10 Ensure the check box for Automatic Reverse Address Record Generation is checked This automatically creates the Reverse Address PTR...

Страница 196: ...Record Generation Click Update List Note Do not make this a CNAME record Some email server software cannot process CNAME records If you would like to create multiple names for one IP address create mu...

Страница 197: ...mydomain com In the Mail Server field type www mydomain com In the Delivery Preference field you can choose from the pull down menu Very Low Low High or Very High For our example the Delivery Prefere...

Страница 198: ...work called the ARPAnet The ARPAnet used a centrally administered file called HOSTS TXT which held all name to address mapping for each host computer connected to the ARPAnet Since there were only a h...

Страница 199: ...translate a domain name to an IP address a record equates a domain name such as cobalt com to an IP address such as 207 91 131 30 Once the domain name has been converted or resolved to an IP address...

Страница 200: ...s information for the domain name in a database and satisfies the request from the local name server 5 If the primary name server is unavailable the local name server contacts the secondary name serve...

Страница 201: ...d by the University of California Berkeley and its contributors 4 Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this soft...

Страница 202: ...e copyright notice and disclaimer of warranty keep intact all the notices that refer to this License and to the absence of any warranty and give any other recipients of the Program a copy of this Lice...

Страница 203: ...stribution a complete machine readable copy of the corresponding source code to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange or c Acco...

Страница 204: ...nce the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances It is not the purpose of this section to induce you to infringe any patents o...

Страница 205: ...HOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND...

Страница 206: ...Appendix E 192...

Страница 207: ...data the second pair is used to transmit To guarantee proper signal timing a 100BaseTX segment cannot exceed 328 feet 100 meters in length 100BaseTX is based on the IEEE 802 3 standard AppleShare A f...

Страница 208: ...w devices to take turns using the signal carrier line When a device wants to transmit it checks the signal level of the line to determine whether another device is already using it If the line is alre...

Страница 209: ...s privileges File Transfer Protocol FTP A standard Internet protocol and a way to exchange files between computers connected to the Internet FTP is an application protocol that uses TCP IP protocols F...

Страница 210: ...ty of speeds over a variety of physical media Extensions to the IEEE 802 3 standard specify implementations for Fast Ethernet Physical variations of the original IEEE 802 3 specification include 10Bas...

Страница 211: ...or search for certain parts or an entire note IMAP requires continuous access to the server during the time that you are working with your mail IMAP can be thought of as a remote file server Another p...

Страница 212: ...ation Protocol DHCP to an unrecognized computing device This method involves setting up a leased pool of IP addresses that are allocated dynamically when new devices are booted and recognized on the n...

Страница 213: ...to a client called a resolver A resolver is often just a library routine that creates queries and sends them across a network to a name server NAT see Network Address Translation NAT Netmask see subne...

Страница 214: ...power supply and grounding and 64 bits in a 188 pin connection in an expanded implementation PCI uses all active paths to transmit both address and data signals sending the address on one clock cycle...

Страница 215: ...ntry codes is maintained and made available SCSI see Small Computer System Interface SCSI Secure Socket Layer SSL Encryption technology for the Web used to provide secure transactions for example the...

Страница 216: ...d almost exclusively in TCP IP networks SNMP provides a means to monitor and control network devices and to manage configurations statistics collection performance and security on a network Small Comp...

Страница 217: ...nnection oriented transport layer protocol that provides reliable full duplex data transmission TCP is part of the TCP IP protocol stack Transmission Control Protocol Internet Protocol TCP IP A common...

Страница 218: ...Appendix F 204...

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