I get asked this question all the time… “Can you please add 20 G to/u01 for me?” Many DBAs and Middleware admins are nervous about making changes to their Linux systems, especially if they do not understand how changes effect Continue reading How to grow a file system with Oracle Linux 6
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.
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..
This is a new one for many Solaris admins, earth shattering in many ways. You can now run Linux on Sparc! From Oracle! Yes, take a deep breath, I really used the words Linux, Sparc and Oracle in the same Continue reading Linux on SPARC!
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
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
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
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
I recently was asked on the best way to encrypt a directory under Linux, with a way that did not let root have the key to decrypt the data. Built into Oracle Linux, is a package called eCryptFS. This allows Continue reading Encrypting a directory under Oracle Linux 6 with eCryptFS
Ever need to know how fast two servers can move data between each other? I recently needed to show a client how much bandwidth was available between two database servers. To do this I used a tool called iperf. iperf Continue reading How fast is that network?