Linux: stdin, stdout and stderr, how to work with them
bash utilize file descriptors to read and write data, The numerals 0 through 9 are file descriptors .…
$ whoami — Konstantinos Patronas
Linux: create your own TCP port scanner!
Imagine the following situation, you have to check TCP services running on remote hosts in a subnet but you don't have any tools like nmap……
Linux: How to real-time plot in a terminal
Often i need a quick visualization of data generated in real time by a command line tool, looking for such tools i found ttyplot which is……
Python: How to create a generator function
As you might already know a function is used to return a result at the end of the execution, its a super handy feature but it has two……
Nmap network reconnaissance using TCP Ping
In a previous article we had discussed about Nmap network reconnaissance using various ICMP requests , which can be a powerful tool that……
Nmap network reconnaissance using various ICMP requests
Nmap is the most well known network scanner tool, and is used by System administrators, network engineers and security specialists; it can……
Linux: chmod awesome tips and tricks
chmod tips and tricks!…
Linux: create a cron expression based on current time plus the amount of time you want
Automate the creation of cronjobs!…
docker-compose as systemd service
In this article i will show you how to use docker compose with systemd in order to start docker containers as systemd services…
Docker: how to work with Grafana and influxdb
In this article i will show you how to create a docker-compose file that will create a Grafana and an influxdb instance…