Fix GPG Check Failed Error on RHEL 10.1

Overview On some RHEL 10.1 installs users are running into this error, post-install, when attempting to install packages via dnf. Unsure if the issue is isolated to users attempting to install RHEL via the full DVD ISO, from the minimal boot ISO, and users deploying RHEL 10.1 via kickstart. GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release … Continue reading Fix GPG Check Failed Error on RHEL 10.1

Moving Beyond OMSA: A Guide to Dell iSM Installation on RHEL 10 and PowerEdge R730

The shift from srvadmin (OMSA) to iSM (iDRAC Service Module) marks the end of bloated, "in-band" server management. This occurred between Dell 12th gen and Dell 13th gen server. If you have a 12th Gen Dell Server, you can still leverage Dell srvadmin (Idrac 7). I wrote a post on it here. While OMSA ran … Continue reading Moving Beyond OMSA: A Guide to Dell iSM Installation on RHEL 10 and PowerEdge R730

Dell OpenManage Server Administrator: Comprehensive Guide for Hardware Monitoring (RHEL)(Dell 12 Gen)

Dell OpenManage Server Administrator (OMSA) is Dell’s on-host hardware management and monitoring framework for PowerEdge servers.  It runs inside the operating system and provides direct visibility into system hardware such as RAID controllers, physical and virtual disks, power supplies, fans, temperatures, memory, processors, and chassis health.  OMSA communicates with the server’s iDRAC and hardware controllers … Continue reading Dell OpenManage Server Administrator: Comprehensive Guide for Hardware Monitoring (RHEL)(Dell 12 Gen)

Setting up Chrony/NTP Server with GPS on Ubuntu 22.04

This post details the setup of an NTP/Chrony server on Ubuntu 22.04 using a GPS receiver. It covers hardware requirements, package installations, GPSD configuration, firewall settings, and Chrony installation and configuration. Key functionalities include time synchronization and location sharing, all while ensuring secure incoming and outgoing network traffic.

RHEL 10 – Install and Configure NUT UPS Tools and Monitor Via Zabbix.

This guide outlines the installation and configuration of Network UPS Tools (NUT) for monitoring a Tripp Lite USB PDU, enabling Zabbix integration. It covers prerequisites, file configuration, USB permissions, firewall settings, service management, and setting up Zabbix agent parameters, concluding with adjustments for SELinux to facilitate data collection.

Mastering Chrony: Essential Commands and Configurations

Chrony is a flexible and modern implementation of the Network Time Protocol (NTP). It is designed to synchronize the system clock with NTP servers, reference clocks, or manual input with high accuracy. It excels in environments where the connection to the time source is intermittent or when the system clock is frequently interrupted (such as virtual machines)