How to make a Variable read-only (constant) in Bash [New Question]
A quick question, answered on Heelpbook, about “How to make a Variable read-only (constant) in Bash”. Useful if we need use constants in Bash scripts on a Linux system. Read More …
Category: Medium
WordPress – Disabling XML-RPC and Rest API to improve security
In WordPress we have always had inbuilt features that let us remotely interact with our site. We have two different approaches available: XML-RPC, a legacy method, or the newer Wordpress REST API that simplifies the remote interactivity and development of external apps. We can disable both of them if we do not need any remote access to the site and/or we do not use any app for the Wordpress resource. Read More …
Powershell – Test URL “ping” from command line
The following scenario could be useful for those that need to regularly monitor the response type of specifc URL or URLs; this can be done quite easily by using Powershell. The approach can be easily integrated in functions and automated/scheduled scripts to get a periodic status of the URLs monitored. Read More …
Raspberry Pi – Controlling PWR and ACT LEDs (Red and Green LEDs)
Raspberry Pi models have a few built-in LEDs; the modern models have a PWD and a ACT LEDs, that can be turned off quite easily directly by software, to save a bit of mW (energy) and letting it to run without disturbing lights. Read More …
Python – Convert Int to Complex
Let’s see how to convert an INT number into a Complex number in Python, easily. The two methods shown are very quick to implement and use in any Python program and scripts. Read More …