Kamran Agayev’s Oracle Blog

Kamran Agayev’s Oracle Blog

Archive for January, 2009

Installing CentOS on VMware – Step by Step

Posted by Kamran Agayev A. on January 5, 2009

Today, I’m going to show you, installation of CentOS on a virtual machine

First of all, we’ve to download CentOS. CentOS is a freely-available operating system that is based on Red Hat Enterprise Linux system.  You can download the latest release (5) from its website. To download, please refer to download page of CentOS web site

http://isoredirect.centos.org/centos/5/isos/i386/

Select nearest location and begin downloading *.iso files.

After you finish downloading *.iso files, you have to mount it and let your VMware recognize it as a virtual “cd” or “dvd”. For this purpose, I prefer to download one DVD *.iso installation file. Please open VMware, double click on CD-ROM (IDE 1-0) item, select Use ISO image option and click Browse button to select your recently downloaded *.iso installation file of CentOS as shown below

 

 

Now you virtually inserted you installation DVD into DVD-ROM. And you’re ready to install your OS virtually.  

 

You should change your Memory to 1024 MB for your further Oracle installation. Double click on Memory item and set it to 1024

Then click Power button to start your virtual pc

  

When your virtual pc starts, you’ll see welcome screen of installation CentOS

 

 

If you’ll not be able to see this screen, then restart your virtual pc and click Esc button for Boot menu. And from this menu, select CD-ROM Drive

Click enter. The installation will tell you to begin testing of your installation cd or dvd. Select Skip button. It will skip testing your cd media and save your time

 

Then you’ll get another welcome screen, you only have to click next button on this screen

 

Select your language of installation and click Next

 

Then, select your keyboard configuration to use it for the system you’re installing and click Next

 

Then, you’ll be warned to create new partitions by erasing ALL DATA on your newly created hard drive. As there’s no information in this drive, you’ll select Yes

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In this step, just let it remain selected and click next

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Then there’ll be warning “You have chosen to remove all Linux partitions (and ALL DATA on them) on the following drives: /dev/sda   Are you sure you want to do this?” Click Yes

Then, you’ll see Network Configurations screen, as it is your test virtual pc, don’t change anything and click next. You can change whatever you want after installation, for now, let it continue in this way and click Next

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From this screen, select your region and click Next

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Then, you’ll be prompted to enter password for root user, enter it and click Next

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To install packages, especially for working with Oracle Server, select all options except Clustering and Storage Clustering. Then select Customize now option and click Next

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Then, from Base System menu, select Legacy Software Support, System Tools and click Next

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Now, you’re ready for installation. Click next on this screen, the installation will begin

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You’ll see how all packages are installing. After a while, your OS will be ready for use

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After the installation is completed, click Reboot button to reboot your OS

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After reboot, you’ll face with another Welcome screen. There’re some steps need to be completed

Click Forward button on the screen.

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Here, just disable your Firewall. Its only for test purpose, don’t disable your Firewall on real system! And click forward button

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For testing purpose, it would be good to disable SELinux too

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Then keeping Kdump disabled, click Forward

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If you need, make your Date and Time configuration and click Forward

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If you want to create a new user, you can fill these blanks. You can pass this step too by clicking Forward button

 

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Then Click Finish and the system will reboot

 

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After reboot, CentOS will be opened and you’ll be prompted to enter username (root) and password (root’s password)

 

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Your Centos is ready to use! Congratulations.

 

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In the next article, I’m going to show installation of Oracle 10g Release 2 on our Centos OS

 

Additionally, while using an operating system inside VMware, you recognize that every time you have to enter to its area and then press Ctrl+Alt buttons to leave this area and to return to your system.

To solve this issue, you should install VMware Tools.

As the VMware Tools will be installed from CD-Rom device, you should disconnect your connected CD-Rom device as shown below

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Next, Select VM menu on VMware application and select Install VMware Tools menu item.

 

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Then click Install button on this message box to Install VMware Tools

 

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Then enter to My Computer and double click on CD-ROM Drive. You’ll see there two packages.

 

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Now, double click on *.rpm file to setup   

After installation complete, copy another *.gz file to anywhere in hard drive. In our example we are coping it to tmp directory inside FileSystem, paste the file into this folder, right click on it and select Extract Here menu item

 

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Then enter to the folder vmware-tools-distrib and double click on vmware-install.pl file and click Run in Terminal button

 

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Then, whenever you’re asked to enter the value, just click enter

But when you’re prompted to enter value for the display size of your X, be careful to enter default value. If you want your Virtual Machine to be little size, enter 2 (800-600)

That’s all! Your VMware Tools installed. Now you can enter to VMware’s area and exit it without clicking Ctrl+Alt

P.S. If you’ll face with “VMware hgfs: HGFS is disabled in the host” error, just reboot your system

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