RHCK_IO_thumb1.jpg - Tales from the Datacenter v2.0

An introduction to Cockpit September 22, 2024

Linux Cockpit is a web-based graphical interface designed for managing Linux servers. It simplifies system administration tasks by providing an easy-to-use dashboard, making it accessible to both experienced administrators and beginners. With Linux Cockpit, you can perform various tasks directly Continue reading An introduction to Cockpit→ The post An introduction to Cockpit appeared first on […]

Creating a forwarding DNS server for my lab with Oracle Linux October 10, 2023

I started some home lab cleanup this long weekend, and one of the first steps was to set up a separate DNS server for the lab. This is really just to make it easier for me to try some automation Continue reading Creating a forwarding DNS server for my lab with Oracle Linux→ The post […]

Error adding new node to Gluster cluster September 4, 2023

While working on a Gluster project, I ran into an issue adding in a third node to an existing cluster running on Oracle Linux 8. This was very frustrating, as the cluster was working fine. I went ahead and built Continue reading Error adding new node to Gluster cluster→ The post Error adding new node […]

Arming your Database! A comparison of Arm vs X64 July 3, 2023

Oracle recently released it’s popular Enterprise Database for the Arm CPU. This is news, as it’s the first new architecture announced by Oracle since they added the Itanium architecture. In fact, this also reverses the current path, where Oracle has Continue reading Arming your Database! A comparison of Arm vs X64→ The post Arming your […]

What version of Java gives the best performance? June 13, 2023

It’s important to note that Java performance can differ across various versions of the software, influenced by several factors. It’s not uncommon for developers and application owners to be caught off guard, as the latest Java version may not necessarily Continue reading What version of Java gives the best performance?→ The post What version of […]

Installing Oracle Linux from the internet! April 27, 2023

I’ve done this several times, and decided it was time to write up how it works. Basically, this blog will show you how to install Oracle Linux using the Oracle public yum server! While this is showing how to install Continue reading Installing Oracle Linux from the internet!→ The post Installing Oracle Linux from the […]

Monitoring Internet performance with a Raspberry PI #PiDay2023 March 13, 2023

Ever wonder how your ISP is really doing, with the quality of their services? Wouldn’t it be fun to be able to track critical metrics, like bandwidth availability and network latency? While we all think about how fast my internet Continue reading Monitoring Internet performance with a Raspberry PI #PiDay2023→ The post Monitoring Internet performance […]

The easiest way to change Oracle passwords for app servers … two passwords at the same time! December 9, 2022

I just wrapped up a webinar this week, and it went well. Once of the folks attending asked about a feature I have beeb really enjoying in 19c. This feature called gradual password rollover allows a database user to have Continue reading The easiest way to change Oracle passwords for app servers … two passwords […]

Installing KVM on ARM with Oracle Linux December 4, 2022

I was talking with a friend recently, and he was looking for a quick and easy way to virtualize a small lab system. We discussed a full out hypervisor and management system like Oracle Linux Virtualization Manager (OLVM and Oracle’s Continue reading Installing KVM on ARM with Oracle Linux→ The post Installing KVM on ARM […]

Setting up vnc server on Oracle Linux 8+ on ARM and X86 December 3, 2022

I’m a huge fan of VNC. It’s a great way to get X access to a server, without having to install X on your PC. VNC aka Virtual Network Computer, also has an advantage that the X session is running Continue reading Setting up vnc server on Oracle Linux 8+ on ARM and X86→ The […]

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