Recover a deleted Logical Volume in LVM | 1 Quick guide
A quick guide about restoring a deleted logical volume in Linux operating system. vgcfgrestore a single command is more than enough to restore the LV.
Change default kernel to boot in RHEL 8 | Easy guide
A how-to guide to Set the default kernel in RHEL based operating system. This may be required when we are installed with multiple kernel versions in our Linux servers.
grub2-editenv: error: environment block too small | Simple Solution
A quick guide to resolve the "grub2-editenv: error: environment block too small" error when the grubenv file size exceeds the expected 1024 bytes.
Adding USB Network Adapter to VMware ESXi 7.0 | Easy Guide
Quick and easy guide to add a USB Network Adapter in VMWare ESXi 7.0 servers by installing its driver and making the changes persistent.
Foreman Upgrade with Katello in 3 easy steps
Upgrade foreman version in three steps or resolve the HTTP error (500 - Internal Server Error): Unable to register system, not all services available by following this simple quick guide.
Kubernetes metrics | Error from server (ServiceUnavailable) | Quick 2 fixes
A quick fix for the Kubernetes Metrics (service unavailable) and metric showing as (unknown) for Worker nodes.
Configure a PXE Boot Server with Kickstart on CentOS 8 – Easy guide
This guide will help to up and run with a PXE Boot Server or Network Boot installation in a short time span. Instead of performing step by step install, we will use a kickstart file to automate the process.
Prometheus with Grafana for Linux server monitoring in 5 easy steps
Prometheus with Grafana is an Open Source metric and alerting system. Let's up and run to monitor the Linux servers in a few steps.
VMFS Partition Cleanup on VMware vSphere 7 – Easy Guide
A quick step by step guide to manually clean up the VMFS Partition on VMware vSphere 7.0 ESXi.
Deploy VMware Virtual machines with Ansible for lazy admins
Deploy a VMware virtual machine with Ansible using vmware_guest in a short span of time. This reduces manual intervention and creates virtual machines from an existing template.