AristaDBA's Oracle Blog....

Use the systemd-run command to run a program in a transient scope or service unit. This allows you to set limits on resources consumed by the...

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...