When using the NetworkManager it is possible to create multiple connections with the same name, which may result in confusion how to list them all…
CentOS 8
DNF install and conflicting requests – nothing provides module(platform:el8) needed by module
Here there are broken modules in the DNF package manager. It was a result of an upgrade, but it may occur if some unofficial repositories…
How to upgrade to CentOS Stream 9 from CentOS Stream 8
This article will show how to update to CentOS Stream 9 from CentOS Stream 8. If only official repositories are used it is fairly easy…
Install and use collectd-ping under CentOS 8 to monitor latency
Tracking the network latency of the servers’ network is not an easy job. Most monitoring software is capable to monitor the state of the server,…
Install newer version of python 3.10 under CentOS 8
At present, the default version of python under CentOS 8 is Python 3.6.8, which is 6 years old. More and more python software needs newer…
How to run QEMU full virtualization with MacVTap networking using NetworkManager under CentOS 8
In addition to the previously presented article on the subject Howto do QEMU full virtualization with MacVTap networking this one shows how to run a…
Create MacVTap device using NetworkManager nmcli under CentOS 8
In continuation of NetworkManager management with nmcli, here is a quick Linux console tip for users like CentOS 8 (or all distributions, which use the…
How to run QEMU full virtualization with bridged networking using NetworkManager under CentOS 8
In addition to the previously presented article on the subject Howto do QEMU full virtualization with bridged networking this one shows how to run a…
Create bridge and add TUN/TAP device using NetworkManager nmcli under CentOS 8
This article shows how to create a network bridge device and a TUN/TAP device, which then is added to the bridge. The CentOS 8 Stream…
Install and deploy MySQL 8 InnoDB Cluster with 3 nodes under CentOS 8 and MySQL Router for HA
This article is going to show how to install a MySQL server and deploy a MySQL 8 InnoDB Cluster with three nodes behind a MySQL…