tutorials

Kodegeek.com Tutorials

Over the years I wrote several tutorials with Open Source code, here is a summary of them.

I tried my best to group them by categories.

Categories

Bash and Linux

• 10 articles to sharpen your command line skills
• Deprecated Commands
• 20 single line commands you would not be able to live without on Linux
• Replacement commands you should use
• Running Android Games on Linux
• Bash Here documents
• Bash Error handling techniques
• Interactive Bash Script, menus, user input in Bash
• Dates And Complex In Bash, when Bash is not so simple
• Bash Resources, useful pointers
• Command line tips and tricks

Automation

• Packaging your software using RPM
• Self extracting Scripts
• Yet Another Food Dispenser, with Arduino
• Nexus 3 On OrangePI, with Ansible
• Stop Using Telnet To Test Ports
• Oracle Cloud Home Lab provisioning with Ansible
• Getting started with FPM - Multi format package manager

Python

• Python debugger
• Debugging Applications, multiple techniques
• Extending Ansible With Python
• Enable Sysadmin Rss Reader, a TUI written with Python and Rich
• TUI applications with Click and Trogon

Java

• Covid 19 Informer REST API

Cybersecurity

• Home NMAP - A ptyhon application to keep track of your home network, with NMAP
• Kismet Home, improve the security of your home network with Kismet. Comes with Python code!
• rpm_query - Simple Python script to query your RPM database
• Insecure protocol tutorial, replace insecure protocols with these tools. Demonstration with Wireshark, etc.
• SuricataLog, a Python application to handle your Suricata logs easily
• Falco, using it to secure your network
• linktester - Check status of links using Iperf3

Observability

• NYRR - Grafana Dashboards and data ingestion using NYRR data
• Grafana Dashboards using variables with custom JSON DataSource, Mockoon, FastApi and Prometheus
• Influxdb Introduction, with Dashboards
• Influxdb Datasets of the state of CT, with dashboards
• Glances and InfluxDB for monitoring and troubleshooting
• Spy on NFS

Blog En Español

Mi bitácora original. El formato es mas relajado, con pedazos de código y el contenido no es necesariamente de tecnología.

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