How much bandwidth is my Linux system using, and other network info.

Recently I was building a new Oracle Linux yum repository for a project, and had to kick off a uln-yum-mirror. This process is the key to making a local copy of an Oracle yum repository, enabling local hosts to use Continue reading How much bandwidth is my Linux system using, and other network info.

vboxadd.sh: failed: Please check that you have gcc, make, the header files for your Linux kernel and possibly perl installed..

  First, if you don’t already use Virtualbox for your local sandbox/development environment, you really should take a look at this very powerful notebook/desktop hypervisor. Not only is it free, but when you install the extensions into your guest VMs Continue reading vboxadd.sh: failed: Please check that you have gcc, make, the header files for your Linux kernel and possibly perl installed..

Manually installing an OEM 12c sandbox environment – Part 4 OEM Installation

In Part 3, we created the database. Now we are down to the final step, and install OEM.     Cd to the directory where the OEM installation files have been extracted to, and start the runInstaller script   As Continue reading Manually installing an OEM 12c sandbox environment – Part 4 OEM Installation

Manually installing an OEM 12c sandbox environment – Part 3 Database Creation

In Part 2, we installed the Database Software.  Next we need to create the database, and make a few tuning tweaks. Next, lets run dbca, to create the database instance   We are going to use the advanced mode And Continue reading Manually installing an OEM 12c sandbox environment – Part 3 Database Creation

Manually installing an OEM 12c sandbox environment – Part 2 Database Software Installation

In Part 1, we prepared the server for the installation. Next we need to install the database.     First, we will pickup where we left off, and cd to the directory where the database installation files have been extracted Continue reading Manually installing an OEM 12c sandbox environment – Part 2 Database Software Installation

Manually installing an OEM 12c sandbox environment – Part 1 System Preparation

  Often I am asked what are the steps to install a basic OEM 12c system. It is a simple task for a non highly available system, like what you would use for a small lab, or sandbox environment. The Continue reading Manually installing an OEM 12c sandbox environment – Part 1 System Preparation