Nowadays a bast majority of server workloads run using linux containers because of his flexibility and lightweight but have you ever think… — Nowadays a bast majority of server workloads run using linux containers because of his flexibility and lightweight but have you ever think how does linux containers works. In this tutorial we will demystify how does linux containers works with some practical examples. …

In this tutorial we gonna deploy a dns add-blocker with pihole using a recursive dns as upstream server accessible in LAN network and… — In this tutorial we gonna deploy a dns add-blocker with pihole using a recursive dns as upstream server accessible in LAN network and internet through wireguard vpn. We utilized K3S as kubernetes provider. Assumptions To follow this tutorial you need to have: A computer running any linux distribution (in this tutorial…

When you are testing your deploy in a kubernetes cluster on the cloud you have a few options to expose your services outside world, for… — When you are testing your deployments in a kubernetes cluster on the cloud you have a few options to expose your services outside world, for example you can use a NodePort service, but also you need to configure the firewall rules for each NodePort service, the other type of service…

In this tutorial we will configure a raspberry pi to connect with hc-05 bluetooth module and arduino using a python script. — In this tutorial we will configure a raspberry pi to connect with hc-05 bluetooth module and arduino using a python script. The hardware Raspberry pi 3b+ (it has inbuilt Bluetooth) Arduino micro HC-05 Bluetooth module System requirements arduino-cli picocom python 3 Configurations for Bluetooth module HC-05

In this tutorial we will configure raspberry pi as an access point to connect to the esp8266 WiFi board using the arduino SDK and python — In this tutorial, we will configure a raspberry pi as an access point to connect to the esp8266 WiFi board using the arduino SDK and a python script. The Hardware is Esp8266 with arduino sdk Raspberry pi 3b+ System requirements arduino-cli picocom python3 Configurations for Raspberry Pi

When you browse at school or work you probably have experienced some problems browsing in certain websites or using certain applications… — When you browse at school or work you probably have experienced some problems browsing in certain websites or using certain applications. …

Assumptions — Many users need to secure their laptop, workstation or regular PC, this users want to protect their information. In Linux exist many cryptographic techniques to protect a hard disk, directory and partition, one of this techniques is Linux Unified Key Setup (LUKS) which uses the kernel device mapper subsystem via…

Security is one of the most important things now days specifically in enterprise environments, a vpn helps to encrypt traffic from client… — Security is one of the most important things now days specifically in enterprise environments, a vpn helps to encrypt traffic from client to internet. Wireguard is a vpn protocol than works on the kernel side and acts like a network interface, is one of the most modern vpn protocols it’s…

One of the best features of ssh is tunneling, it has 3 types of tunneling: local, remote and dynamic. Each of than can be use for… — SSH tunneling is a method of transporting arbitrary networking data over an encrypted SSH connection. It can be used to add encryption to legacy applications. It can also be used to implement VPNs (Virtual Private Networks) and access intranet services across firewalls.