Linux – Cory Fiala

Mass Delete Devices from LibreNMS with Operating System: Generic Device

How to Reset the root password on Ubuntu 22.04 if you forget it

To reset the root password on Ubuntu 22.04, you can follow these steps: mount -o remount,rw / passwd root reboot -f Note that resetting the root password in this way can be a security risk if someone gains physical access to your system. It is recommended to use other security measures, such as encryption and

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How to Install TFTP on Ubuntu 22.04

1 Comment / Linux

TFTP (Trivial File Transfer Protocol) is a simple file transfer protocol that is often used to transfer configuration files and firmware images between networked devices. In this tutorial, I will guide you through the steps to install and set up TFTP on Ubuntu 22.04. Step 1: Installing TFTP Server To install the TFTP server on

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Xymon | Gifs Are No Longer Animated

Installing Xymon on Ubuntu 20.04: A Step-by-Step Guide

1 Comment / Linux, Software

If you’re looking to set up Xymon on a fresh Ubuntu 20.04.4 LTS installation, this guide is for you. I’ve recently performed a clean install and fully patched the system before installing Xymon. For demonstration purposes, I allocated 8 cores, 16GB of RAM, and a 90GB drive, which is admittedly a bit overkill for Xymon.

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Graylog | Finding failed login attempts that lock out AD Users

2 Comments / General Tech, Linux, Microsoft, PowerShell

I’ve been using the free trial of Netwrix to find failed logins and sadly it’s way out of our budget for K-12 so I’ve been searching for another solution and can help the team. We’ve been having an uptick in AD accounts getting locked due to numerous login failed attempts. 99% of the time it’s

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Using Xymon and BBWin to auto start failed services

Leave a Comment / General Tech, Linux, Microsoft

I was recently informed by David you can use BBWin on a windows server to automatically restart/start a service if the status changes to red for example. So I decided to give it a try. Print Servers (the Baine of our existence) are some of the most unreliable services we run. We run both Server

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Xymon – Remove Column From The Dashboard

3 Comments / Linux

Might be embarrassing but it took me way to long to figure out how to remove 2 columns I accidently created via the hosts.cfg file. So the fix? Navigate and edit your xymon hosts.cfg file on your server. In my screenshot above you’ll notice the column “web” is only associated with “print” server. So in

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Xymon – Ignore SNAP INODE and DISK

3 Comments / Linux

I’ve recently started digging into Xymon. This NMM solution was setup by my previous boss and I’ve grown to love it even though it’s not the prettiest. Anyways I’ve had an issue for awhile with 3 servers that I couldn’t get to ignore SNAP. Todays the day I finallly figured it out. On the xymon

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