AristaDBA's Oracle Blog....

MAC under SELinux allows you to define a security policy that provides granular permissions for all users, programs, processes, files, and devices. Access control decisions are...

I finished a session this weekend and there were a lot of questions regarding query tuning. The answers (for the questions) were around the following points....

Control groups (cgroups) provide a mechanism to put Linux processes (tasks) into groups, ensuring that critical workloads get the system resources (CPU, memory, and I/O) that...

The main configuration file for DM-Multipath is /etc/multipath.conf. This file is not created by the initial installation of the RPM package. However, the following file is...

Device-Mapper Multipath (DM-Multipath) is a native Linux multipath tool that allows you to configure multiple I/O paths between a server and a storage device into a...

For a requirement, I had to install MySQL on a linux vm. Since I didn’t have a ready VM with Linux on it, so I decided...

I have cleared OCI Architect Associate exam(1072-22). This was my first time using the Oracle Univ’s own certification platform. It was so an easy and simple...

After establishing a session, the LUNs are represented as block devices in the /dev directory. In an Oracle VM Server for x86 environment, disk devices appear...

A session is a TCP connection between an initiator node port and a target node port.LUNs are not accessible until a session is established. After targets...

Discovery is the process that makes the targets known to an initiator. It defines the method by which the iSCSI targets are found. The following discovery...