Category Archives: Operating System

vt-x is not available; use PVM instead of HVM if you need to run VirtualBox inside your guest machine

You get this error when you try to run a VirtualBox inside on a physical machine which has not activated the support of VT-x from the bios. But how to solve this issue when you want to run a VirtualBox … Continue reading

Posted in Linux, Linux, Oracle server (ovm server), VBox | Tagged , , ,

Fusion Application Installation : Provisionning time for all fusion module

This is a summary of my configuration: OVM 3.2.6 Vitualization Oracle Fusion Application, all fusion module installed IDM Host: (idmdb + IDM applications) Processor Speed (GHz): 2.93 Processor Model: Intel(R) Xeon(R) CPU X5570 @ 2.93GHz – Sockets Filled: … Continue reading

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yum install oracle-validated for Oracle Enterprise Linux 5

To install an oracle database on linux, use the oracle-validated package from the Oracle Repository to satisfy all the system per-requisite: You should have the following output:

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OVM image file backup with tar and pigz to speed up archive process

After installing Oracle Fusion Application 11.1.7 on my OVM Server 3.2.6, I end up with at least 500Gb file for my Oracle VM. I almost spend 2 full days to install it, due to the *very long* installation process. So, … Continue reading

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MEMORY_TARGET not supported on this system

I got this error when i reboot my OS linux system which contains an Oracle database instance. The database cannot start properly and the logs file shows this error: To solve this issue, apply the following command as a root … Continue reading

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Installing an Oracle Database on Oracle Linux

You can use an Oracle VM template to get a running Oracle clustered database in less than 10 mn (excluding VM images download time). But sometimes, it is useful to have our own custom DB instance for testing purpose. Here … Continue reading

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Can’t open /dev/sdb1 exclusively. Mounted filesystem?

I got this error when I tried to add a volume group in my VBOX Linux (guest) environment using the following command: Listing all my disk show this Strangely /dev/dm-5 matche the new disk that I have declared and then … Continue reading

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