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Background - hardware

Background - hardware. User interface devices to system Mainframe Text mode only Command-line (text mode) interface “Some” menus available (NOT a GUI) PC All points addressable (APA) interface True GUI Command line interface in text mode window only (the DOS command prompt window).

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Background - hardware

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  1. Background - hardware • User interface devices to system • Mainframe • Text mode only • Command-line (text mode) interface • “Some” menus available (NOT a GUI) • PC • All points addressable (APA) interface • True GUI • Command line interface in text mode window only • (the DOS command prompt window)

  2. Background – software - 1 • Accessing VM (2 non-GUI methods) • Via TN3270 (the Mocha program) • Command-line (text mode) interface • Uses special hardware characters to position data • Echoed commands/responses not scrollable • Command input • Via putty or SSH • Command-line mode interface • No use of 3270 h/w except keyboard re-mapping • Echoed commands/responses ARE scrollable

  3. Background – software - 2 • Accessing your V.M. GUI method • V.M. must already be running • VNCSERVER must be running too • Provides full GUI in a Window • Available from both Windows and Linux

  4. Booting a system • Log in to VM using TN3270 client (Mocha) • Automatic profile allows selection of a VIRTUAL MACHINE (V.M.) • CMS is the default, • Set up by system admin • #CP I CMS • VM command, forces re-boot of CMS • Equivalent of PC’s power-on boot sequence • Same as logging on (above) • Green menu (from a Linux boot-up script) • Allows selection of LINUX kernel

  5. Logging in to VMfrom on-campus • Start a TN3270 (Mocha) client • Downloadable from BU computing services • Connect to BINGTZ1.CC.BINGHAMTON.EDU • Login as TJWnnn (your VM account) • Passwords as found on the grade calculator

  6. Logging in to VMfrom off-campus • Open a browser • Go to SSL.BINGHAMTON.EDU • Click on the Network Connection • Close the browser • Login to the network • with PODS or BGM userid & pw • Network connection menu auto-closes • Continue procedure as “on-campus” on slide 1

  7. Logging in to Linuxfrom on-campus • Login to CMS (as previously discussed) • Watch the text on the screen CAREFULLY • At the prompt, type a “1” to BOOT Linux and wait for the login prompt, then either • Enter “#CP DISC”, press “Enter” and close the 3270 window OR • Just close the 3270 window • Start an SSH session (e.g.; Putty) • Connect to TJWnnn.cc.binghamton.edu nnn is your number • Login as root (pw as discussed in class) Continued…

  8. Enter: vncserver Close the Putty or TN3270 window (don't type anything) You MIGHT be asked to create a password. Make up a NEW one. It is for the VNC interface. Connect again (via TightVNC) to: TJWnnn.CC.BINGHAMTON.EDU Use the vnc password you created above Continue here to start the GUI

  9. Linux login • Start the Remote Connect, if needed • Login as root at the “tjwnnn login:” prompt

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