I came across an issue on a laptop after a motherboard replacement where BitLocker would ask for the recovery key on every single reboot. I troubleshot and verified the usual suspects like Secure Boot and TPM being turned off, tried a few posts online, but nothing would fix the issue. I did some more digging […]
Read MoreMicrosoft LAPS (Local Administrator Password Solution) solves the issue of the password management with those local user accounts across your Active Directory domain but randomizing and expiring those local password. In this post I’ll go over how to install and setup LAPS. Prerequisites Download: https://support.microsoft.com/en-us/help/3062591/microsoft-security-advisory-local-administrator-password-solution-laps Should not be installed on a domain controller (will change the […]
Read MoreWe host our Unifi Controller on Ubuntu and needed a way to back it up to our Windows server (don’t ask). Prerequisites A base install of Ubuntu 20.04 LTS with a static IP address When editing a file with Nano, to save your changes to do the following: Ctrl+X to Exit Y to save the edits currently stored in the buffer […]
Read MoreWe have a number of Linux servers that we manage for various reason and wanted to integrate Single Sign-on with our Active Directory domain accounts for user login for better security and ease of user management. This has been tested on Ubuntu 20.04 LTS. As a prerequisite, create a security group in Active Directory that […]
Read MoreBy default Nagios Core’s web interface only authenticates locally using a .htpasswd file. Each user would have to be manually added to this file along with a few other places within the Nagios configuration files to be able to login and view host/service statuses. When editing a file with Nano, to save your changes to do the […]
Read MoreBefore a server can be monitored the Nagios NCPA Agent must be installed. This article will go over installing the agent on both Windows and Ubuntu Linux based machine. NCPA agents are available other flavors or Linux as well as MacOS at https://www.nagios.org/ncpa/#downloads Windows Servers Begin by logging into the server. Once logged in, download the […]
Read MoreHosts or Servers are added to Nagios with text based cfg files and for my setup, are stored in /opt/nagios/servers. Prior to adding a server, it is a good idea to have the Nagios NCPA Agent installed on each server that will be monitored. When editing a file with Nano, to save your changes to do the […]
Read MoreContacts are created in Nagios for email alerts. They can be setup for individual users or a distribution list. They can also be setup to alert at different times of the day and can send alerts based on severity of the issue. If you don’t already have a Nagios server setup, you can follow my […]
Read MoreI use Nagios a lot for work to monitor our Linux and Windows servers as well as Ubiquiti equipment. I put together a walkthrough of how I setup Nagios. This is mainly for my documentation, but if you find it useful as well or have any recommendations to make my steps better, please let me […]
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