VMware errors/Warning regarding Hardware Virtualization CPU feature

When you install VMWare ESXi hypervisor, the installer report the following error.

Error(s)/Warning(s) Found During Ssytem Scan
The system encountered the following warning(s).

Solution:
Reboot the server and go to the CMOS/BIOS setup. Navigate to the CPU section and enable the Intel Virtualization Technology.

i.e. In HP Blade server CMOS/BIOS setup -> Advanced Options -> Processor Options -> Intel (R) Virtualization Technology -> Enabled.

VMware ESXi requires the Execute Disable/No Execute CPU feature to be enabled Error

When you try to install VMware ESXi Hypervisor in the HP Blade server, the VMware Installer report the following error.

The system has found a problem on your machine and cannot continue.
VMware ESXi requires the Execute Disable/No Execute CPU feature to be enabled.

To solve the problem, reboot the HP Blade server and hit F9 to enter the CMOS setup. In the main CMOS setup screen, choose Advanced Options. After that, scroll down to Processor Options…. In the next screen, you will find one line that said “No-Execute Memory Protection”. Choose that and select Enable afterward.

Once that is done, save the changes and exit the CMOS setup. The VMware ESXi installer should work fine now.

Ubuntu Linux network installation with PXE Boot

If the server you are using supports PXE boot, you can install or re-install your server operating system by booting to the Cybercon Server Utilities via PXE boot.


1. Once the server boot to the Cybercon Server Utilities via PXE boot, you can select Client Area from the menu. Please noted that entering the Client Area and using the utilities available in that area may cause data loss in the server (Such as clean OS reinstallation). Proceed only if you are 100% sure you do not need any data from the server or you have data backup in a different location outside the server.

2. In order to access the client area, you need to enter the word acknowledge as password to confirm that you understand the risk of losing data when performing OS installation.

3. Select Operating System Installation from the Client Area Menu.

4. Select Linux OS from the Operating System Installation Menu.

5. Select Ubuntu Linux from the Linux OS Menu.

6. Select Ubuntu Server 12.04.01 LTS (64bit) (or the 32bit version if you prefer)

7. The official Ubuntu install menu should start. Just choose Install.

8. In the first Ubuntu installer screen, select your prefer language for the installation process. In our example here, we choose English.

9. Choose the location for your time zone. United States is the default location we set in our example here.

10. The next question the Ubuntu installer ask is if you allow the installer to detect the keyboard you are using for the installation. We choose No and select the keyboard ourselves.

11. So now, the installer prompt you to select the keyboard. We choose English (US).

12. As for the Keyboard layout, select English (US) as well.

13. In the next scree, enter the Hostname for your server. This is going to be the server name.

14. By default, Ubuntu installer install the package files from one of the mirror sites. Therefore, select the region where the server is located. In our example here, we choose United States.

15. Based on the answer (location) we selected in the previous question, Ubuntu installer will suggest a archive mirror. Just hit enter to accept the default suggestion.

16. For the HTTP proxy information, just leave it blank since we are not using any Proxy Server for the HTTP access.

17. The Ubuntu Installer now loading some additional components.

18. Now, you need to enter the Full name you normal use for managing the server. This user is a non-root user. For security reason, Ubuntu prefer using a normal user for server management instead of root user.

19. Enter the username for the account you are creating. This is the log in name as well.

20. Enter the password for the account. You need to confirm the password when asked.

21. The next question from the Ubuntu Installer is if you need to Encrypt the new user home directory. It is up to you as far as security concern, in our setup example here, we choose the default answer which is No.

22. As for the server time zone setting in the next question, if the default location is fine, choose Yes. Otherwise, select No.

23. Since we need to choose the US Central time zone, therefore Chicago is selected.

24. In the next question regarding Disk Partition, you can choose your own partition scheme. In our example, we choose Guide – use entire disk.

25. Select the disk you like to use.

26. The Ubuntu installer will then ask you to confirm the partition scheme, choose Yes to write changes to the disk(s).

27. After that, the disk will be partitioned and formatted.

28. Once formatting is done, the install will install the base system and other related files.

29. As for the how the server handle system updates, we choose No automatic updates. We prefer update the server manually so that we can schedule the updates in maintenance window we prefer.

30. Select the package you like to install to your server. Select LAMP server if you are using the server as a Web server running PHP and MySQL. (LAMP = Linux Apache MySQL PHP)

31. Since we choose LAMP as the server package, so we need to enter the password for the MySQL root user.

32. We are almost done here. Now the Ubuntu installer ask you if you like to install GRUB boot loader in the master boot record, choose Yes.

33. For the System clock set to UTC question, it is up to you if you prefer set to UTC or not. In our example, we choose yes.

34. Now the installation is complete. Hit Continue will end the installation and the server will reboot by itself. After the server finish booting up, you can log in with the user you created during the setup and perform the following tasks.

– At the command prompt, enter “sudo apt-get update”.
– At the command prompt, enter “sudo apt-get -u upgrade”.
– At the command prompt, enter “sudo apt-get -y install ssh”.
– At the command prompt, enter “sudo nano /etc/network/interfaces”
– Replace the line that said “iface eth0 inet dhcp” with

iface eth0 inet static
address {{IP_ADDRESS}}
gateway {{GATEWAY}}
netmask {{SUBNET_MASK}}

(You can find the IP_ADDRESS, GATEWAY and SUBNET_MASK info from the Cybercon welcome email. If you are not able to locate the email, please contact Cybercon support for assistant.)

– Save the file and exit.
– At the command prompt, enter “sudo /etc/init.d/networking restart” to restart the network.
– Ping google.com to test if the network is working.

After that, Ubuntu Server installation is done.

PXE boot with HP Blade Server

If you rent a HP Blade server from Cybercon, you can install OS via the Cybercon PXE boot network. Here is how.

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1. Log in to the HP iLO web server management interface. For log in information to your server, please refer to the welcome email received from Cybercon. For more information, please contact Cybercon support team via phone, email or SMC ticket system.

2. After you log in to the HP iLO, you can power on your server (if it is not already on) by hitting the Momentary Press button under System Status or Power Management tab. Now access the server console by clicking the Launch button in System Status tab or Server Console link in Remote Console tab.

3. If your server do not have any Operating System installed, it will boot to the PXE environment automatically. Otherwise, you need to hit the F-12 on your keyboard when ask. (As shown in the diagram)

4. The HP server boots to the PXE environment and obtains an IP address from the network so that it can access other available network resources.

5. At the end, you will see the Cybercon Server Utilities Menu. To install Server Operating System, select the Client Area from the menu. If you need more information regarding a specific operating system installation, please visit the corresponding articles in this tutorial site.

What is PXE Boot?

PXE is Preboot Execution Environment. It is an environment allows computer such as your server to boot from the Network interface card instead of computer storage device. (i.e. hard disk, RAID)

In Cybercon, we created a PXE environment to allow some of our clients to install Operating System to their server with ease. Forget about downloading ISO files or burning a CD/DVD disc. Just boot the server from the server network interface, access the Operating System Installation area via the Menu system and select Operating System you like to install.

Windows Server 2008r2 netinstall for HP Blade Server via PXE Boot

If the server you are using supports PXE boot, you can install or re-install your server operating system by booting to the Cybercon Server Utilities via PXE boot.


1. Once the server boot to the Cybercon Server Utilities via PXE boot, you can select Client Area from the menu. Please noted that entering the Client Area and using the utilities available in that area may cause data loss in the server (Such as clean OS reinstallation). Proceed only if you are 100% sure you do not need any data from the server or you have data backup in a different location outside the server.

2. In order to access the client area, you need to enter the word acknowledge as password to confirm that you understand the risk of losing data when performing OS installation.

3. Select Operating System Installation from the Client Area Menu.

4. Select Microsoft Windows

5. For 64bit Microsoft Windows Server such as Windows Server 2008r2, choose HP SmartStart Version 8.7 (64bit)

6. That should launch the HP SmartStart utility. In the first screen, select English for the preferred language and US English for current keyboard. Of course, you can choose other available language and keyboard based on your own preference. Click Next to continue.

7. Click Agree to accept the HP End User License Agreement.

8. Click the Install icon on the left to start the installation.

9. Select the disk you like to install the OS to and click Next.

10. Navigate to the desire Windows version and check it. In this example, we will check the Microsoft Windows Server 2008 R2, Web Server x64. Click Next to continue.

11. For Select where you would like to install the OS from, choose Network File Share. And choose CD/DVD Archive file (.ISO) for Select operating system media format. Click Next to continue.

12. Choose eth0 for the Network Device along with DHCP. And enter the rest of the Network share information as follow.
Server Name: eaglessmb.cybercon.net
User name: client
As for the password, please contact Cybercon support team

Once you fill out the information, click Next.


13. Double click net0.

14. Select the corresponding ISO file. In our case here, we select Win2K8_R2_standard
_enterprise_datacenter_web_x64.iso. Please note that you need to have a Product Key to activate the Windows Server after the installation. The Windows server will stop functioning after a short while if you do not activate it.

15. Choose the Disk Partitioning scheme you prefer. In our example here, we choose the entire drive with NTFS file system. Click Next to continue.

16. In this screen, you need to enter the server information such as Server name, Administrator password etc. Once you finish entering the information, click Next.

17. In the next screen, the HP SmartStart installer will ask you if you need to install SNMP and the HP Insight Management WBEM Providers for Windows. In our example, we choose No for both questions and click Next.

18. Now, the installer will ask you how you like to install the server driver support pack. Just choose Express and click Next.

19. At this point, we are about to install the Server OS. Please review the installation information and see if everything is correct. If yes, click Next. Otherwise, you can choose Exit to stop the installation or click Previous to modify the settings.

20. The HP SmartStart will partition the disk and format it follow by copying the necessary files to the server for the installation.

21. At one point, the HP SmartStart installer will prompt you to accept the Microsoft Windows License. You can check the check box and click Accept or ignore it this time. If you do nothing at this point, the installer will continue the installation and Windows will prompt you to accept the License at a later time.

22. Once the require files are copies to the server, the server will reboot and the Windows installer take over the installation. The server will reboot one more time to the log on screen.

23. Go ahead and log in with user Administrator and password you created earlier.

24. As this is the first time you log in to the newly installed Windows Server, therefore the HP SmartStart installer initiate the driver and utilities installation. In order to complete the process, the server will need to reboot one more time.

25. After the server finish rebooting, press CTRL+ALT+DEL to log in.

26. Your Microsoft Windows Server installation is now finish. However, there are couple other tasks need to do.

27. First, we need to bind an static IP address to the server. To do so, right click the Network icon at the lower right hand corner of the screen then choose Open Network and Sharing Center.

28. In the left hand side of the Network and Sharing Center window, choose Change adapter settings.
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29. Right click Local Area Connection and choose Properties.

30. Highlight Internet Protocol Version 4 (TCP/IPv4) and click the Properties button.

31. Enter the IP address information based on Cybercon supplied information and click OK when done.

32. Be sure to run Windows Update to patch and update the newly installed server. Once that is done, the Microsoft Windows Server 2008r2 installation in complete.

CentOS 6.3 network installation with PXE Boot

If the server you are using supports PXE boot, you can install or re-install your server operating system by booting to the Cybercon Server Utilities via PXE boot.


1. Once the server boot to the Cybercon Server Utilities via PXE boot, you can select Client Area from the menu. Please noted that entering the Client Area and using the utilities available in that area may cause data loss in the server (Such as clean OS reinstallation). Proceed only if you are 100% sure you do not need any data from the server or you have data backup in a different location outside the server.

2. In order to access the client area, you need to enter the word acknowledge as password to confirm that you understand the risk of losing data when performing OS installation.

3. Select Operating System Installation from the Client Area Menu.

4. Select Linux OS from the Operating System Installation Menu.

5. Select CentOS Linux from the Linux OS Menu.

6. Select CentOS Linux ver 6.3 from the CentOS Linux Menu.

7. There are 4 choices in the CentOS Linux ver 6.3 Menu. Choose between 64bit and 32bit. If you want to customize your own installation, please choose Normal Install, otherwise, select Quick Install. In our example here, we choose Quick Install (64bit)

8. If the storage disk you are planning to install CentOS to is blank, CentOS installer may prompt you a Warning message. All you need to do is choose either Re-initialize or Re-initialize all.

9. In the next screen, the CentOS installer will ask you to enter the root password for the server. Just enter your desire root password twice and choose OK to continue.

10. In the next screen, the CentOS installer will ask you how you like to partition the drive. Typically, choose Use entire drive and then hit OK to continue

11. The CentOS installer will partition your drive and format the partition. It depends on the size of the drive/partition, it may take some times.

12. Once the Installer finish formatting the partition, it will start the Package Installation.

13. After the Package Installation, the Installer will run the post-installation scripts. And that includes updating the OS from the Internet directly.

14. After the post-installation scripts is done, the server will reboot by itself.

15. Once the server finish rebooting, it will launch the first time boot setup screen. You can customize the firewall and keyboard configuration here as well as the System services. The most important is the Network configuration. So choose Network configuration and hit Run Tool.

16. In the next screen, select Device configuration.

17. In the Select A Device screen, choose eth0.

18. Remove the check mark in Use DHCP and enter the Static IP, Netmask and Default gateway IP based on the IP information obtained from Cybercon. For Primary DNS server, you can enter 216.15.129.205 and 216.15.129.206. Hit OK when it is done.

19. Now,choose DNS configuration.

20. Enter the server and domain name in the Hostname area. The name you enter here will be the name of the server. Hit Ok when it is done.

21. Now, hit Save&Quit to save the changes.

22. Now your CentOS 6.3 server is ready to go.

VM OS installation via ISO image in VMware Environment

There are few ways to install Operating System (OS) to the Virtual Machine (VM), one of the popular way is Upload an OS ISO image to the Host Machine and then mount that ISO image as a CD/DVD ROM and install the OS with it. Here is how to mount the ISO image to the VM.


1. After you log in to the VM Host machine via VMware vSphere client, right click the VM you want to install the OS and choose Edit Settings.

2. In the hardware window, click the CD/DVD drive. In the Device Status, make sure Connect at power on is checked. Then select the Datastore ISO File follow by clicking the Browse… button.

3. In the Browse Datastores window, double click the datastore (i.e. localstore).

4. Locate the ISO image and click OK.

5. Once you back to the previous screen, click OK to continue.

6. Highlight the VM and click the Green triangle to Power on the VM.

7. Right click the VM and choose Open Console.

8. The VM should boot from the CD/DVD image and you should be able to continue your OS installation whether it is CentOS or Windows.

Upload OS iso image to VMware Host machine.

If you are planning to install multiple virtual machines (VM) in the physical host with the same operating system (OS), you can save some time by uploading the OS ISO image to the physical host machine. So each time when you need to install or reinstall the OS to a VM, you can mount the OS ISO as a CD/DVD in the VM.

Here is how to upload the ISO image from your local computer to the remote VMware host machine.


1. Log in to your VMware host machine via VMware vSphere client.

2. Highlight the physical host machine name or IP address on the left hand side. Then single click the Configuration tab on the right and choose Storage. From there you will the datastore in your server. Right click the datastore (i.e. localstore) and choose Browse Datastore.

3. A new Datastore window will popup. Single click on the storage icon with an green up arrow and choose Upload File …

4. Locate and select the operating system ISO image from your local machine harddrive.

5. After you select the ISO image, vSphere client will upload the image to the Host Machine. It will take awhile to upload the file depends on your internet connection and size of the ISO image. Once that is done, you will see the ISO image in your Host Machine Datastore and it is ready to be used for OS installation.

Create Virtual Machine with VMware vSphere Client.


1. Open the VMware vSphere Client in your Windows Machine. Type your VMware IP address or host name, User name and Password in the text boxes provided.

2. Once you log in to your server, right click the server name or IP address and choose New Virtial Machine …

3. In the Create New Virtual Machine window, choose Typical and click Next.

4. Enter the name of the new virtual machine you are going to create and click Next.

5. Select the available storage (i.e. localstore) for the virtual machine and click Next.

6. Choose the Guest Operating System and click Next. Guest Operating System is the operating system you are planning to install in the new virtual machine.

7. Choose the number of Network Interface Card NIC you need qui vend viagra. You can select more than one even if there are only one physical network interface in the host machine. Under network, select VM Network and Adapter E1000. Make sure Connect at Power On is checked.

8. Enter the amount of hard disk space available to the new virtual machine. If you want the virtual hard disk grow as it goes, select Thin Provision. Click Next to continue.

9. In the next screen, review the settings and if everything looks find, click Finish to complete the setup.

10. Now, you should see the new virtual machine listed under the physical host machine. You can power on the virtual machine by highlighting it and click the Green play button.