Gökhan - Random IT Blog (Page 3)

Linux

Setting up NTFY with Ngnix-Proxy-Manager, authentication and Ansible notifications (Update)

(Update) I added the use of access tokens. Hi there, today I have something pretty cool. NTFY. An HTTP-based notification server, that also has a nice phone app. It allows me to get notification from basically anything I want. To tell you the truth, I don't have to

Windows

Windows Server Certificate Authority | Windows Client keeps generating new certificate

Computer Template Just a quick one today. I deployed a Windows CA at one of our customers for an Aruba Clearpass deployment. So its main use was to generate client certificates to authenticate with Clearpass. For whatever reason, the clients kept requesting new computer certificates every few hours. I'

Windows

Configure RDP on Clients with Group Policy (Update)

Update: Forgot to include the Firewall Rule Hello everyone. Today, I want to show you, how to enable RDP on a client with a GPO. I wanted this for a test environment I set up. Nothing to fancy, just the policy. Let's begin. Group Policy Management Create a

Linux

Setup SSH with MFA

Hello there, Today, I want to write down the steps on how to set up MFA for SSH. I will also configure an exclusion for the internal network, just to showcase how that works. I created an Ansible role for this years ago, but I actually don't remember

CheckMK

Basic guide on deploying CheckMK and nginx SSL / HTTPs reverse proxy with docker

Hi there, This will be a simple guide on how to deploy CheckMK, a Monitoring System. Nothing to fancy, since I don't have too much experience myself. I just want to test the application and write down my experience with it. I will be using Rocky Linux 8.

Linux

Quick look at NormCap, an OCR screen capture tool

Hi there, Today I just want to highlight an application, I found a few days ago. NormCap. A screen-capture OCR tool. Rather than taking screenshots, it uses OCR to copy the marked text into your clipboard. Short demonstration A quick demonstration. Let's take this random picture of a

ESXI

Removing invalid VMs in VMWare ESXi

Hi there. Today will be a short one. Recently we replaced our old VMWare cluster with 3 new ProLiant DL325 Gen10 Plus v2 Servers and a MSA2062. This meant that we had old Hardware lying around for testing purposes. After migrating the VMs and moving the hardware to another rack,

Networking

Finding physical device in a network with only IP and MAC

Hi, Today, I want to go through the process of finding a physical device in a network if you only have an IP address or a MAC address. This is my way of doing it, and it is very simple actually. Of course there could be a better way of

Fedora

Fedora / Rocky Linux Cloud Image deployment using cloud-init on KVM with LVM

Hello there, it's been a while. Didn't really have a topic. Today I want to take a look at a simple local deployment of Rocky / Fedora. For this, I will be using cloud-init and the cloud images provided by both distributions. This is a simple setup

HPE

HPE / Mellanox / Nvidia SN2100M | First steps, MLAG, split-cable setup

So, we finally received 2x HPE SN2100M switches for internal use. They will be our new switches for the 3x ProLiant DL325 Gen10 Plus v2 we recently got for our VMWare ESXi Cluster. The switches are "slightly" overkill for what we need, but they are what I got.

Sophos XG

Sophos XGS VPN Provisioning File

In the last few weeks, I have been migrating Sophos SG to Sophos XGS for a lot of customers. One of the more tedious parts is the redeployment of VPN configurations to the clients. As far as I know, the only way to get the user configuration for SSL VPN

KVM

Cockpit | Access to the VM console created by Virtual Machine Manager

Hi there. A few months ago, I started to mainly use "cockpit" for managing my virtual machines rather than "Virtual Machine Manager". But after switching, I noticed that the console was not accessible through the WebUI. I only had the option to connect with a remote