Draco Cyber Security
Contabo – Fixing Console not working after installing GDE such as xfce4. – Ubuntu 20.04
Stuck at the above screen after you reboot your Ubuntu 20.04, this is a very common problem when you install Graphical Desktop Environment (GDE) such as xfce4, lightdm, Ubuntu Desktop etc in your Linux Environment. If you face the same issue. For those of you who have...
Assigning static IP Address to Guest VM in a nested KVM – Ubuntu 20.04
You can always manually configure the ip address of your guest VM especially you are going to expose the guest VM in your KVM or you can configure to use DHCP to assign a static ip address base on the virtual machine virtual MAC address. List the available network by...
KVM/QEMU – Creating a Bridge in Netplan and Defining the Bridge in QEMU with virsh define – Ubuntu 20.04
You can find the official Netplan configuration example in the link below. https://netplan.io/examples/#configuration This tutorial will focus on creating a bridge using netplan and define the bridge in QEMU/KVM so that you can attached the bridge to the Guest...
Configure Default Route using ip route – Ubuntu 20.04
While setting up your lab environment sometime it is useful to change the default route. In this tutorial I will show you how to quickly configure the default route and some of the commands to check the config. Using the command ip route add You can use ip route / ip...
Manually Resetting WordPress User Password through SSH
OS: Ubuntu 20.04.2 LTSDB: MariaDB 10.3.34Wordpress: 6.0 In this tutorial I am going to show you how to change the Wordpress User Password through SSH and mysql statement in 6 simple steps. Always backup you configuration before making changes so...
Install Xrdp Server – Debian 11
OS: Debian 11 (Bullseye) Xrdp is the open-source implementation of the Microsoft Remote Desktop Protocol (RDP that allows you to control a remote linux server graphically. For any technical folks especially pentester that are doing web penetration testing using kali...
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...
Install TightVNCServer on Ubuntu 20.04
VNC (Virtual Network Computing, is a tool that allows you to connect to the GUI (Graphical User Interface) of linux GDE (Graphical Desktop Environment). This allow you to interact with Ubuntu using mouse and Keyboard in a GUI. Install xfce and choose the display...
Install Ubuntu 20.04 om Nested KVM (QEMU) Ubuntu 20.04
Kernel-based Virtual Machine (KVM) is the leading open source virtualization technology for linux. It is available natively on all linux distributions and turns underlying physical servers into hypervisors. For those of you who are...
Install Windows Server 2022 on nested KVM – Ubuntu 20.04 – Standard NAT
In this tutorial I am going to show you how to install Windows Server 2022 on Ubuntu Nested KVM. You can download the Windows Server 2022 from the official Microsoft Evaluation Download site. You need to enter you information do download the...
Firewalls
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...
UFW basics – Ubuntu
OS: Ubuntu 20.04.3 LTSUFW: 0.36 UFW (uncomplicated firewall) is the default firewall configuration tool that runs on top of iptables, included in Ubuntu distributions. For those that are looking at using the GUI configuration option. You can check out Gufw. By default...
NFTables Beginners Guide
OS: Debian 11 (bullseye)nftables version: 0.9.8 (E.D.S.) For those of you that are familiar with iptables by Netfilter. You might be interested to learn nftables which is available in linux kernels >= 3.13. The good news is it comes with a compatible layer that...
Tech
Install TightVNCServer on Ubuntu 20.04
VNC (Virtual Network Computing, is a tool that allows you to connect to the GUI (Graphical User Interface) of linux GDE (Graphical Desktop Environment). This allow you to interact with Ubuntu using mouse and Keyboard in a GUI. Install xfce and choose the display...
Install Ubuntu 20.04 om Nested KVM (QEMU) Ubuntu 20.04
Kernel-based Virtual Machine (KVM) is the leading open source virtualization technology for linux. It is available natively on all linux distributions and turns underlying physical servers into hypervisors. For those of you who are...
Install Windows Server 2022 on nested KVM – Ubuntu 20.04 – Standard NAT
In this tutorial I am going to show you how to install Windows Server 2022 on Ubuntu Nested KVM. You can download the Windows Server 2022 from the official Microsoft Evaluation Download site. You need to enter you information do download the...
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 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...
Basic Ubuntu Commands that is useful
For Beginners it is Important to take note that linux commands are CASE sensitive. In this section I have list down the commands that are frequently used by me in my lab setup. 1. sudo sudo – command that allows you to run programs or commands with administrator...