November 2018 - 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?→

How to control OMC cloudagent using systemd on Oracle Linux 7

Posted on November 1, 2018 by admin — 1 Comment ↓

Controlling Oracle Management Cloud agent to startup at boot can be a little complicated. Often admins KLUDGE up shell scripts to make it work, but there is a cleaner way using systemd commands.systemd is one of the core components of Continue reading How to control OMC cloudagent using systemd on Oracle Linux 7→

It’s about time to talk about chrony November 9, 2024
Chrony is a versatile, lightweight, and high-performance Network Time Protocol (NTP) daemon used to synchronize system clocks in Unix-like operating systems, including Linux. It’s particularly known for being efficient on systems with intermittent network connections or variable latencies, like laptops, Continue reading It’s about time to talk about chrony→ The post It’s about time to […]
Installing Windows 11 on OLVM/oVirt 4.5 October 22, 2024
I’m getting more and more interest in OLVM and oVirt these days. Customers really want to dump proprietary virtualization stacks and more to Open Source solutions. Oracle Linux Virtualization Manager ( OLVM) is Oracle’s distribution of oVirt, a popular open-source Continue reading Installing Windows 11 on OLVM/oVirt 4.5→ The post Installing Windows 11 on OLVM/oVirt […]
getPartitionByPath anacondra error on a new Linux install October 14, 2024
So I purchased purchased some refurbished Dell servers for my personal home lab. Three Dell 630s, each with a pair of new SSDs. This is from a new company that I have not worked with before, but being local and Continue reading getPartitionByPath anacondra error on a new Linux install→ The post getPartitionByPath anacondra error […]
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 […]