linux performance Archives - Tales from the Datacenter v2.0

What are those numbers in Linux top command?

Posted on November 17, 2018 by admin — No Comments ↓

I’m asked all the time about what the numbers in top mean, Most admins understand the basics like Memory and tasks but other fields are often miss understood or ignored. Lets take a look at the following top from one Continue reading What are those numbers in Linux top command?→

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Let’s do some image magic! January 20, 2025

One of my all time favorite utilities built into Oracle Linux is ImageMagick. ImageMagick is a free, open-source software suite that allows users to create, edit, and manipulate images. ImageMagick supports almost 200 file formats, including JPEG, PNG and GIF. Continue reading Let’s do some image magic!→ The post Let’s do some image magic! appeared […]

Part 2; Upgrading OEM to 24ai January 6, 2025

So, in the prior post, we patched OEM 13.5 to the latest RU, and made sure our database was patched. Now, it’s time for the big task, upgrading to OEM 24ai! Before we upgrade, we need to make sure that Continue reading Part 2; Upgrading OEM to 24ai→ The post Part 2; Upgrading OEM to […]

Mounting an iSCSI LUN in Oracle Linux January 4, 2025

So we created a Target, and setup the LUN on the QNAP. Now we need to setup an Oracle Linux system to use the new LUN. First , lett’s install the iscsi initiator utilities. sudo dnf -y install iscsi-initiator-utils Next Continue reading Mounting an iSCSI LUN in Oracle Linux→ The post Mounting an iSCSI LUN […]

Creating a new LUN in QNAP January 3, 2025

In the previous post (https://talesfromthedatacenter.com/2025/01/creating-an-iscsi-target-on-a-qnap-array/) , I created a new iSCSI target that will be used for this post. Next up, we need to create a LUN. A “LUN” stands for “Logical Unit Number” and is a unique identifier used to Continue reading Creating a new LUN in QNAP→ The post Creating a new LUN in […]