Draco Cyber Security
Uptime Kuma (Docker) – Configuring Apache Reverse Proxy with Let’s Encrypt SSL(Ubuntu 22.04)
This tutorial assumes that you already have uptime kuma installed in a Docker Container and the that Apache Web Server have been installed. First let's install the certbot for apache. sudo apt install certbot python3-certbot-apache You can use the default Apache web...
Windows 10 – Create Template using Sysrep
Creating Windows machine template has become important part of automation and testing. In this tutorial I will cover different aspect of creating a VM template. This similar for VMWare, OracleBox, KVM and most general virtualization technology. Depending on how you...
Install uptime-kuma with Apache as a reverse proxy (Ubuntu 22.04)
Uptime Kuma is an open-source tools that allows you to monitor servers, websites and services that are running in your environment. It is a very useful tools for monitoring your lab environment. You can install Uptime Kuma as a standalone or in a Docker container. For...
Changing Ubuntu 22.04 Hostname through CLI
Here are the steps to change the Ubuntu hostname. To check your current hostname and summary of your machine. hostname hostnamectl There a few ways to change your hostname. sudo hostnamectl set-hostname <new hostname> # Manually changing it in the hostname file...
Deploy FTDv Cisco Secure Firewall Threat Defense Virtual in KVM (Ubuntu)
https://youtu.be/nZ_noM6fbME In this tutorial I am going to show you how to deploy FTDv in KVM. The minimum system requirements for deploying FTDv are 4vCPU and 8GB RAM (Default). You will need to have at least 4 interfaces to successfully boot up. Create a shell...
Bash Prompt in Linux – Change the prompt temporally
OS: Linux You should be familiar with Bash prompt if you are a linux user. Whenever you start a terminal the command line interface of the Linux server you should be using Bash as a default unless you have change the default shell to something else. Bash prompt is set...
Install KVM on Ubuntu 22.04 Server
Install the cpu-checker to check if your system support virtualization. sudo apt install -y cpu-checker Run the command to see if the sys kvm-ok Install all the necessary packages. sudo apt install -y qemu-kvm virt-manager libvirt-daemon-system virtinst...
Ubuntu 22.04 ssh port change additional steps
For those of you who started using Ubuntu 22.04 Jammy Jellyfish and realized the conventional way of editing /etc/ssh/sshd_config does work. Hope this tutorial is useful and nothing else changes. This works as of Feb 19 2023. I am not sure when this started but in...
Basic Network Configuration for Ubuntu 22.04
Let's start with the basic. To check the ip address assign or interface available. ip address Another command to help identify all network interfaces available to your system is lshw sudo lshw -class network ethtool is a program that displays and changes Ethernet card...
Configure ASAv password and Management IP Address – VM on ESXi
ASAv Version: 9.16 After deploying the ASAv on ESXi. You can start the ASAv VM. There are 2 basic configuration that you need to perform to enable ASDM Access. Set a password Configure a IP address. Set a password...
Firewalls
Deploy ASAv in VMWare ESXi
ASAv Version: 9.16 In this tutorial I will show you how to install ASAv on VMWare ESXi. Steps Download the ASAv software. You need to have a valid Cisco Account or get a trial from a Registered Cisco Partner. You...
Umbrella SIG Tunnel with Fortigate 60F
In this tutorial, I will show you how to configure Cisco Umbrella SIG tunnel to Fortigate 60F in your lab environment. First, I will show you how to configure Cisco Umbrella SIG, followed by Fortigate 60F. I will also show you where you can see the status and the logs...
How to create a VLAN in Fortigate 60F
In this quick tutorial, I am going to show you how to create a VLAN in Fortigate 60F To create a VLAN for the lab go to Network -> Interfaces, then select the interface that the VLAN for the tunnel is going to be and click on Create New. Select Interface. Enter a name...
Configure RSyslog to log iptables log to another log file instead of kern.log/syslog.log
In this tutorial I am going to show you how to customized rsyslog to log iptables log to a different log file. This is useful if you want to look at specific iptables log and also understand how packets flow through the iptables. Create a new config file in the...
Configure Rsyslog to log multiple iptables log prefix to multiple log files – Ubuntu 20.04
In this tutorial I am going to show you how to customized rsyslog to log multiple iptables log (with different prefix) to different log files. This is useful if you want to look at specific iptables log and also understand how packets flow through the iptables. Create...
Iptables Basic Configurations – Ubuntu 20.04
Iptables is a very useful linux firewall for protection and learning of how the ip packets transverse the linux system. Although the newer nftables is starting to gain popularity as well as ufw and firewalld due its simplicity as well as add GUI capabilities it is...
Configure IPTABLES port forwarding to nested Guest VM in KVM (Default NAT virtual bridge) – Ubuntu 20.04
For those using iptables and would like to configure iptables allow http and RDP access to the Guest VMs. Here are the steps to configure and explanation of the rules. 1. Configure the iptables use the nat table to route the mapped port to the guest VM IP address and...
IPTABLES Basics Understanding – Ubuntu 20.04
In this tutorial, I will share my learning and understanding of IPTABLES. There are a few things that will help in your understanding and configuration of: . TABLESTables form the basis of the IPTABLES where chains and rules are created base on the tables that the...
Install pfSense on VMWare ESXi 7.0 U2
This is quick tutorial to setup pfSense. I decide to try out pfSense for routing. Was deciding between VyOS and pfSense and since I have used pfSense before, I have decide to try out pfSense. For those who are looking at using vSphere vCenter. This video does not do...
UFW basics – Debian 11
OS: Debian 11 (Bullseye) In this tutorial I will show you how to quickly install ufw in Debian 11. Do take note that if you do not specific the protocol by default both TCP and UDP protocol will be enabled Install ufw in Debian. sudo apt install ufw First lets allow...
Tech
Changing Ubuntu 22.04 Hostname through CLI
Here are the steps to change the Ubuntu hostname. To check your current hostname and summary of your machine. hostname hostnamectl There a few ways to change your hostname. sudo hostnamectl set-hostname <new hostname> # Manually changing it in the hostname file...
Deploy FTDv Cisco Secure Firewall Threat Defense Virtual in KVM (Ubuntu)
https://youtu.be/nZ_noM6fbME In this tutorial I am going to show you how to deploy FTDv in KVM. The minimum system requirements for deploying FTDv are 4vCPU and 8GB RAM (Default). You will need to have at least 4 interfaces to successfully boot up. Create a shell...
Bash Prompt in Linux – Change the prompt temporally
OS: Linux You should be familiar with Bash prompt if you are a linux user. Whenever you start a terminal the command line interface of the Linux server you should be using Bash as a default unless you have change the default shell to something else. Bash prompt is set...
Install KVM on Ubuntu 22.04 Server
Install the cpu-checker to check if your system support virtualization. sudo apt install -y cpu-checker Run the command to see if the sys kvm-ok Install all the necessary packages. sudo apt install -y qemu-kvm virt-manager libvirt-daemon-system virtinst...
Ubuntu 22.04 ssh port change additional steps
For those of you who started using Ubuntu 22.04 Jammy Jellyfish and realized the conventional way of editing /etc/ssh/sshd_config does work. Hope this tutorial is useful and nothing else changes. This works as of Feb 19 2023. I am not sure when this started but in...
Basic Network Configuration for Ubuntu 22.04
Let's start with the basic. To check the ip address assign or interface available. ip address Another command to help identify all network interfaces available to your system is lshw sudo lshw -class network ethtool is a program that displays and changes Ethernet card...
SSH Tunneling – Remote Port Forwarding – Debian 11
OS: Debian 11 (Bullseye) https://youtu.be/SRAr0eaWZBs You have seen my tutorial of Local Port Forwarding and should have a basic understanding of how SSH Tunneling work. If you have not seen the tutorial you can go to the link below on how to setup local port...
SSH Tunneling -Local Port Forwarding – Debian 11
SSH Tunneling or SSH port forwarding is a way where you can access application leveraging on the SSH ports and tunnel in the event that you do not want to open additional ports on your firewall. In this tutorial I am going to show you how...
Enabling SSH Key Login
OS: DebianSSH: OpenSSH 8.2p1 Enabling SSH Key Login is a great way of protecting your SSH access to the cloud server. In the event that you still prefer password login (For convenience if you access the SSH server from multiple machine and does not want to port your...
Grep and cut Command by example with SSH logs – Brute Force
Linux: Debian 11 Grep is a very useful tools to quickly look through logs and text file. In this tutorial by example I will go through some useful commands and options that you can use to quickly get the ip address and username that is use to brute force your ssh...