If you have ever worked with Containers such as Dockers, you know how efficient and fast they are. Kubernetes is […]
DNS Ad-Blocker with Pi-Hole in a Raspberry Pi Zero
The Pi-Hole [Link] is nothing but a DNS server with Blacklist that is automatically updated from the internet. The blacklist […]
Creating a Service for “rc.local” to Run Script on Startup (Boot)
There are some ways to run a script, application, or command when the system loads. The easiest way is to […]
Using Find in Linux CLI
Find is a very powerful tool for searching for files and directories in a command-line interface that can also perform […]
Opening a Tunel Trough the Firewall with NGROX
Why would I want to open a tunnel through my firewall? Suppose you have one service (HTTP, SSH, etc) in […]
Encrypting and Decrypting Files with GnuPG (OpenPGP) in Linux CLI
Creating a key-pair: gpg –gen-key OR gpg –full-generate-key Backing up the secret/private key: gpg –list-secret-keys gpg –export-secret-keys -a ‘[email protected]’ > […]
Linux CLI Monitoring Tools
Top probably is native from most of the Linux distributions. top Htop is an upgraded and very useful version of […]
Run Commands on Boot in Linux
To execute commands on the start-up of the Linux add the commands at the file /etc/rc.local sudo nano /etc/rc.local The […]
Install and Re-Install DW Agent in Ubuntu 20.04 and Raspberry Pi OS
To install download the latest dwagent.sh file from the DW Service [Link]. Make it executable and then execute it: sudo […]
Setting Up a Headless Raspberry Pi + SSH + VNC + WiFi
The following steps will work in any Raspberry Pi with Raspbian (now called Raspberry Pi OS), regardless of the model. […]