CentOS installation steps – Part 2

Proceeding with installation of CentOS on Virtualized environment. Last step in previous post was to click on Connect to launch CentOS bootable image.

1. CentOS 7 bootable image gives option to

  • Install
  • Test
  • Troubleshoot

2. Click on Tabs to move to different options. Select “Install CentOS 7” and  hit enter.

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3. Executes bunch of commands. Nothing much to do but wait till execution is complete..

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4. After sequence of steps are complete, launches CENTOS 7 INSTALLATION SCREEN

5. Select necessary language and click “Continue” button at bottom right corner.

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5. Click on each of options below and configure as required.

  • Date & Time: To configure date and time. Configure Local Time and configure same consistently across all VMs.
  • Keyboard: To configure Keyboard layout.
  • Language Support: As afore detailed, language to be supported by OS
  • Installation Source: Auto detects to ISO image if not can be manually configured.
  • Software Selection: Multiple options (With UI, DevTools and Minimal Install). Used Minimal Install as running on very low Memory.
    • Also noticed UI is not smooth (may be because of Virtual Machine instead of Physical Machine)

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6. Clicking on Date & Time opens up map where Country and location can be selected.

7. Also Network Time Protocol (NTP, norm in enterprises) can be configured when connected to network.

8 Choose appropriate Time Zone and formatting details at bottom and click on “DONE” on left top corner below “Date & Time” to return to Setup Configuration screen

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7. Clicking on “Installation Source ” is optional as ISO was mounted in earlier step.

8. But good to check options under, click “”Installation Source” to open below window.

9 Nothing much to change, review and click “Done”

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10. Click on Software Selection to choose one among various options.

  • For GUI and prebuilt development tools, select GNOME desktop or KDE plasma workspaces
  • GUI can be enabled later as well if required

11. Here “Minimal Install” was selected as we want to manually install software using Linux Command line utilities.

12. After choosing type of  Software Installation, click Done to to move to main installation configuration screen

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12. Click on “Installation Destination” to review options.

13. Leave default, post review and click “Done”

 

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14. Click Network and Hostname to open configuration options.

15. If already connected to network and enabled to Virtual Machine Manager (on HOST OS), Guest OS (CentOS) gets IP address.

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16. After all configurations are complete, there should be not be any warnings (Red or Orange color ! and text below each button)

17. Click “Begin Installation”, bottom right corner to start installation of CentOS.

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18. Parallel to installation running behind the scenes, two tasks need to be completed.

  • Setting  up Root password
  • Creation of User

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19. Click on each button and configure as required.

  • Complex Password requirement.
  • Additional admin user is what was created for this setup.

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20. After installation is complete below screen is presented that prompts for “root” user login.

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This completes Linux Installation (only Minimal Installation). Next post is installing preq-requisites software to run CloudEra Hadoop Installation (CDH5)

Until then..

-Abhyast

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2 thoughts on “CentOS installation steps – Part 2

  1. Pingback: Redis Cluster Setup (Linux on Windows) | Abhyast

  2. Pingback: Hadoop Cluster – Part 3 (Installation and Configuration) | Abhyast

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