Bash
File hash check – sha256sum
A brief guide to check if an hash is correct. Firstly generate the sha256sum of the file and store to a local file then check if the file is changed if the hash matches else
Server
Reverse proxy gzip compression httpd – sveltekit
Here the configuration script for the httpd-vhosts.conf file of httpd apache server. In the following example connection from <name.domain> from port 443 are proxied via https and gzip compressed. Note: The receiver is a node.js server serving static html file Read more…
Bash
Network manager CLI
Network manager CLI (nmcli) is a command-line tool for controlling NetworkManager and reporting network status. I personally use it to connect / disconnect pre-configured VPNs Here some useful commands Assign static ip
Java
Simple Date Format not thread safe
The java library SimpleDateFormat (java.text.SimpleDateFormat) cannot be considered thread safe and the programmer should avoid the usage in a multi thread environment. The problem is based on the way it’s implemented To fix the problem there are 3 main ways: Read more…
Bash
Git merge branch excluding file
Here a simple snippet to merge a local branch excluding a file. This is case “myfile.txt”
Bash
Ubuntu – Rtsp stream to video chat: skype, google chat, zoom..
Here a simple guide to convert any rtsp stream to a virtual device that you can use inside your favourite video chat. Check your stream Firstly check your input stream that is working correctly A simple method could be using Read more…
Js,Ts,Css
How to debug node with vscode
The IDE Visual Studio Code has a fully integrated debug that allows the developer to work proficiently with multi-languages support. In this case we are interesting in debug a node.js application (javascript or typescript) To debug a node.js app we Read more…
Java
Performance comparison – php, node, java and rust
The aim of this experiment is to compare the languages that I daily use with Rust to understand better its potential. I build the same webserver in four languages (php, node, java and rust) and I exposed 3 apis: “/” Read more…
Bash
Unpack / Unzip war file via command line
It happens that you are connected via shell to a remote server and you don’t have your “normal” working tool. Here a couple of command to unpack / repack a war file via command line using only “unzip” and “zip” Read more…
Js,Ts,Css
Node http server – Cors – Static pages
Here a simple approch to serve static content using a node.js server. It allows any origins The intent is for DEV purposes, is not a prod ready snippet