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Articles posted on 2026

by alex
in 2026

tagged linux, tools

Updated: 2026-05-21

PDF Command line examples

These is just a bunch of Linux commands to manipulate PDF files: Check PDF image details: pdfimages -list your_file.pdf Check PDF metadata: pdfinfo file.pdf ...

by alex
in 2026

tagged javascript, ~remove

Updated: 2025-05-12

javascript snippets

Compute how an element is hidden Iterate over LI elements Adding/removing classes to/from elements Get current date as YYYY-MM-DD escape HTML characters ...

by alex
in 2026

tagged encryption, openssl, python, browser, idea, alpine, linux, tools, windows, library, computer, ~remove, directory, database, configuration, address, information, remote, authentication, password, security, application, service, domain

Updated: 2025-05-12

Certificate Authorities

For home users there is not much use for running you own Certificate Authority (CA), and with availability of Letsencrypt and the plethora of ACME libraries setting TLS encryption is quite straight forward. ...