DeTOS 7 Administration Manual Rev2.3 For Devon IT Thin Clients and VDI Blaster PCs running version 7.0.3 Rev2.3 - 05/05/2011 WWW.DEVONIT.COM © 2011 Devon IT, Inc.
DeTOS 7 Administration Manual Notice Devon IT, Inc. reserves the right to revise and improve its products as it deems necessary. This manual provides a description of the product at the time of printing, and may not necessarily be accurate for older or future product releases. Please visit our website to download the latest version of this document: www.devonit.
DeTOS 7 Administration Manual Table of Contents 1.0 Introduction ................................................................................................................................... 5 1.1 What is DeTOS? ........................................................................................................................................... 5 1.2 DeTOS Features ....................................................................................................................................
DeTOS 7 Administration Manual 5.3 No Machines ............................................................................................................................................... 29 5.3.1 The “General” Section .......................................................................................................................................................... 29 5.3.2 The “Advanced” Section .......................................................................................................
DeTOS 7 Administration Manual 1.0 Introduction 1.1 What is DeTOS? Devon Terminal Operating System (DeTOS) is an embedded Thin Client Operating System designed to be simple, secure and centrally manageable. It is an operating system utilized in Devon IT thin clients as well as Devon IT's VDI Blaster software for older PCs. DeTOS can be used to access hosted desktops using Microsoft Remote Desktop Services, VMware View, Citrix XenApp or XenDesktop, web based applications, and more. 1.
DeTOS 7 Administration Manual 2.0 Getting Started After the initial bootup, or when booting up after having selected the “Reset to factory settings”, your thin client will display the DeTOS desktop and taskbar.
DeTOS 7 Administration Manual unmanaged (stand alone) mode. By default, DeTOS based terminals will try to locate a management server. If a management server is found, the terminal switches to managed mode, where it “pulls” its configuration from the management server. If not, it will stay in standalone/unmanaged mode and use its local configuration. The Control Panel status area also shows the OS build. This is a string based on the DeTOS version and the build date, using the following format: 7.x.x (YY.
DeTOS 7 Administration Manual 2.1 The DeTOS Control Panel The DeTOS Control Panel is the local tool for configuring Connection and System settings on terminals. Connection Settings: Your terminal has the ability to connect to remote servers utilizing several types of protocols. The rDesktop client uses the RDP protocol and allows you to connect to Microsoft Windows Terminal Servers. The Citrix ICA client is used to establish connections to Citrix Presentation and XenApp servers.
DeTOS 7 Administration Manual 2.1.2 Diagnostics If you are experiencing difficulty connecting to servers on certain segments of your LAN, then you may want to use the ping command to verify you are reaching specific servers and/or gateways on the subnet in question. To use ping, select the Diagnostics tab from the Network Tools window. In the “Host Address” field, type in the IP address or website you want to test against and then press the Ping button.
DeTOS 7 Administration Manual DHCP was used, then this is the IP address that your terminal acquired during bootup. If you configured static network settings, then this address should match the value you entered in the IP Address field. 2.3.2 Ping: Testing Network Connectivity If you are experiencing difficulty connecting to servers on certain segments of your LAN, you may want to use the ping command to verify you are reaching specific servers and/or gateways on the subnet in question.
DeTOS 7 Administration Manual 3.0 Persistence 3.1 About Persistence 3.1.1 Definition Persistence, within the scope of thin client computing, refers to the continuing existence of connections and settings after a terminal has been rebooted. 3.1.2 Default Behavior By default, or after resetting your terminal to default factory setting, DeTOS is set to persistent mode. This means that any configuration change you make will persist across reboots.
DeTOS 7 Administration Manual 3.2.3 Case Examples The Local Storage section of the DeTOS Control Panel allows you to use three methods for local storage: No Local Storage Enable Local Storage Enable Snapshot Storage These case examples are provided below to help you decide which of these 3 options will work best for you. Case 1: “I do not want any users to mess up the thin client's configuration.
DeTOS 7 Administration Manual 4.0 System Settings 4.1 Display Settings 4.1.1 Single Monitor Display This section describes the display options available for a single monitor attached to a terminal. 1. From the DeTOS Desktop, select DeTOS → DeTOS Control Panel. 2. Click the Display icon on the left hand side of the Control Panel, under System Settings.
DeTOS 7 Administration Manual 4.1.2 Dual Monitors (Thin Clients Only) This section describes how to set up and configure dual monitors*. 1. While the unit is turned off, attach both monitors to the terminal. If using the TC5c thin client, use the provided VGA-DVI combination splitter on the DVI port in the back, and attach both monitors to the splitter. 2. Turn on the terminal. 3. Upon bootup, the display will be mirrored on both monitors. 4. From the DeTOS Desktop, select DeTOS → DeTOS Control Panel. 5.
DeTOS 7 Administration Manual Screen Resolution: Select the desired resolution from the dropdown list OR select Auto-detect to allow DeTOS to automatically choose the best resolution for the attached monitor. Position: a.) “Left of” or “Right of” – If your monitors are positioned in a side-by-side arrangement, then you'll want to specify one of the monitors as being to the “Left of” or “Right of” the opposite monitor. b.
DeTOS 7 Administration Manual 4.2 Input/Time This section allows you to configure keyboard, mouse, and time settings for the terminal. 1. From the DeTOS Desktop, select DeTOS → DeTOS Control Panel 2. Click the Input/Time icon on the left hand side of the Control Panel, under System. Keyboard: By default, US is the selected keyboard. Switching to a new keyboard language will alter the keyboard mapping immediately upon pressing the Apply button.
DeTOS 7 Administration Manual 4.3 Local Storage (Thin Clients Only) The Local Storage section of the DeTOS Control Panel allows the administrator to choose one of three modes for how local storage is utilized. Note, these settings do not exist on VDI Blaster terminals. 1. From the DeTOS Desktop, select DeTOS → DeTOS Control Panel. 2. Click the Local Storage icon on the left hand side of the Control Panel, under System. No Local Storage: Selecting this mode disables persistence.
DeTOS 7 Administration Manual 4.4 Management 4.4.1 Management Server Configuration During bootup, if the terminal cannot make contact with a Management Server, then a white splash screen will appear just prior to the DeTOS desktop loading. This screen contains the Devon IT logo and displays a message saying, “Attempting to connect to Management Server”.
DeTOS 7 Administration Manual Note: The purpose of the splashscreen feature is to gracefully handle network latency that may occur during the terminal's first contact with a management server during bootup. This feature becomes vital in the case where you have a management server applying connections to the terminal that are configured to Autostart on bootup. 4.4.2 Agent Password A System Password can be set to restrict access to the DeTOS Control Panel.
DeTOS 7 Administration Manual 7. To make any changes to the Host Name, or to add or edit your own DNS servers, click the Network Configuration tab found near the top of the window. Be sure to hit Apply when finished to save. 8. Once again, when changing your Network settings, this may take 15-20 seconds depending on your network speed. This is normal and your thin client will NOT need to be rebooted for the changes to take effect.
DeTOS 7 Administration Manual 4.6 Printer Settings DeTOS supports redirected printing to a locally attached USB or Parallel printer. Once the Printer Settings are properly configured and applied, redirected printing will be enabled for all RDP, Citrix ICA, and VMware View connections created on your terminal*. 1. From the DeTOS Desktop, select DeTOS → DeTOS Control Panel 2. Click the Printer icon on the left hand side of the Control Panel, under System.
DeTOS 7 Administration Manual 4.7 Sound This section allows you to adjust the master volume level for the terminal. 1. From the DeTOS Desktop, select DeTOS → DeTOS Control Panel. 2. Click the Sound icon on the left hand side of the Control Panel, under System. 3. Enter a value between 0 – 100 in the “Volume” field. 4. Press the Apply button to save. Your changes will take place automatically. 5.0 Connections 5.0.
DeTOS 7 Administration Manual 7. Once you are finished setting up your connection, click the Apply button along the bottom of the frame. An icon for the new session will be created on the DeTOS Desktop. The end user can simply double-click this icon to launch the connection. As you create connections in the DeTOS Control Panel, icons for those sessions will appear on the desktop. Double-click the icon to launch that session. 5.0.2 How to Rename or Delete Connections 1.
DeTOS 7 Administration Manual 5.1 Citrix ICA The Citrix Receiver client in DeTOS allows you to connect to Citrix XenApp Servers (formerly known as Presentation Server). This Citrix client also contains the necessary plugin used for connecting to XenDesktop via the thin client's local web browser. 5.1.1 The “Connection” Section The first section displayed for a Citrix ICA session is Connection. This form panel will already be expanded for you. 1.
DeTOS 7 Administration Manual 5.1.2 The “Options” Section 1. Window Size: Select the type of window you want your ICA session to display in. Fullscreen: The ICA session will take up the entire display.
DeTOS 7 Administration Manual 6. Autostart: Enable this checkbox to automatically launch this session each time the thin client completes its boot procedure. 7. Auto Restart: Select “Yes” or “Prompt” to automatically restart the connection. Yes: Once the session is terminated, the session will automatically restart. There is no way for the enduser to stop it from occurring every time it closes.
DeTOS 7 Administration Manual 1. Application: Specifies the path of the application on the Citrix server to be automatically launched when the connection is made. This is an optional field. 2. Working Directory: Specifies the working directory used for the application. 5.2 Firefox Web Browser The following section describes the steps for configuring the local Firefox web browser on DeTOS. 5.2.1 The “General” Section 1.
DeTOS 7 Administration Manual 5.2.2 The “Proxy Settings” Section 1. Auto-detect proxy settings for this network: This option will allow Firefox to automatically detect the proxy settings for your network. 2. Use system proxy settings: This option allows you to use the proxy settings configured for your system. 3. Manual proxy configuration: Choose this option if you have more than one proxy server and you would like to specify which server to use.
DeTOS 7 Administration Manual 5.3 No Machines The following section describes the steps for configuring a No Machine connection on DeTOS 7. 5.3.1 The “General” Section 1. Server Address: Enter the IP Address of your No Machine server. 2. Credentials: Enter the User Name and Password for your No Machine session. 3. Server Port: This is the port number needed to connect properly to the No Machine session. 4. Link Speed: Choose a connection speed (this is optional). 5.
DeTOS 7 Administration Manual 5.3.2 The “Advanced” Section 1. Resolution: This dropdown allows you to choose from a Fullscreen mode or several fixed sizes. 2. Enable SSL Encryption: By default, this box will be checked. Unchecking this box will disable SSL Encryption. 3. Disable ZLIB stream compression: Checking this box will disable the ZLIB stream compression, which will lower the CPU usage on the server, or to avoid overheads due to VPN software compressing network traffic. 4.
DeTOS 7 Administration Manual 3. Domain: Specifies the domain to log on to. 4. Desktop Name: If the user of this terminal should always connect to the same desktop, then you may consider entering its name into this field. If you choose to leave the field empty, then the user will be prompted to select an available desktop at the time they connect to the VDM server. 5. Autostart: Enable this checkbox to automatically launch this session after the thin client completes its boot procedure. 6.
DeTOS 7 Administration Manual 1. Session Type: Choose from the single app “SSH App” type or the “XDMCP” connection. 2. Server Address: Specify which IP address is the X11 server. 3. Credentials: Specify the User Name and Password of a user account you wish to log on as. 4. Application: This is the file path of the application if you are planning on launching a single application within DeTOS, using the X11 connection. This is only available when choosing the SSH App session type. 5.
DeTOS 7 Administration Manual 5.6.2 The “Display” Section 1. Operate in full screen mode: The RDP session will take up your entire display and will not allow minimization. 2. Operate in maximized window mode: This option will display the RDP session in a window within DeTOS. You will be able to maximize and minimize this window if you want. 3. Use specified screen size: The RDP session will launch in a fixed sized window, specified by the dimensions chosen in the dropdown list below.
DeTOS 7 Administration Manual 2. Enable Printer Redirection: Mark this checkbox to redirect printing to a printer attached the local terminal. 3. Enable Client Drive Mapping: Allows the user plug USB Flash Drives locally into the terminal and access the contents of the drive via the RDP session. 4. Enable Com Port Mapping: Redirects serial devices on your terminal to the server. 5. Enable Smartcard Support: Specifies whether redirection of Smart Cards is permitted during server authentication.
DeTOS 7 Administration Manual 1. Connection Speed: Specifies the RDP Experience. As you change connection options in this dropdown box, associated behaviors in the checkboxes below will be selected or deselected accordingly. 2. Enable bitmap caching: Enable caching of bitmaps to disk (persistent bitmap caching). 3. Disable cursor from blinking: Indicates that cursor blinking should be disabled during the RDP session. 4.
DeTOS 7 Administration Manual 6.0 VDI Blaster 6.1 What is VDI Blaster? VDI Blaster allows you to repurpose your current Windows XP based PCs into stateless thin client devices. It extends the useful life of your hardware and allows you to manage your PCs centrally using Devon IT’s Echo Thin Client management software. VDI Blaster can be installed without erasing the existing XP installation, and can be uninstalled at any time reverting the PC back to its normal Windows OS boot mode.
DeTOS 7 Administration Manual 6.3 Using the VDI Windows Installer Executable This section describes the hardware requirements and installation steps for installing VDI Blaster DeTOS on a PC, without overwriting the existing Windows XP operating system. 6.3.1 Hardware Requirements A PC running Microsoft Windows XP (32-bit) NTFS* formatted hard drive with 1GB available disk space Minimum 1GHz CPU, 512MB RAM *NTFS is the default file system for Windows XP. 6.3.2 Installation Steps 1.
DeTOS 7 Administration Manual 2. Once installation is complete, reboot the PC. It is now configured to automatically boot into thin client mode. Optionally, you may edit the win.ini file if you want to change the default behavior. You will see 2 entries, one for Windows XP and one for Devon IT DeTOS (Devon Terminal Operating System). After installing VDI Blaster, the PC's default boot option will be DeTOS. 3.
DeTOS 7 Administration Manual 6.3.3 How to Uninstall VDI Blaster DeTOS 1. Reboot the PC. During boot up you will see the OS boot menu briefly appear on your screen. Use the arrow keys on your keyboard to select the “Windows XP” option for bootup. 2. Log in as the Administrator account for that XP system. 3. Open ”Start Menu → Control Panel → Add or Remove Programs”, select the program named, Devon IT DeTOS Thin client, and then press the Change/Remove button to uninstall VDI Blaster. 4.
DeTOS 7 Administration Manual 6.4.2 How to Install the License 1. Open a web browser, enter the address to your management server (ie. ws-broker), and then click the Web Based Administration Tool icon to log into the Admin GUI. 2. From the top of the page, select Admin → Manage Licenses to open a new screen displaying the current inventory of licenses. 3. Select Add → License from the top of this page. The details pane on the right-hand side will display a “License Upload” form. 4.
DeTOS 7 Administration Manual 6.5 Achieving Persistence in VDI Blaster PCs Once you have installed the VDI Blaster software, for all intents and purposes, your PC has been converted into a thin client terminal and now possesses virtually all of the same attributes and behaviors one would expect from a typical thin client device. Your PC now runs in a stateless, non-persistent mode.
