Category Archives: Uncategorized

Home Assistant & Smart Infrastructure Setup (2): Interfacing with the UniFi Site Manager Cloud API

By | June 11, 2026
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Goal: Query Ubiquiti’s cloud portal (unifi.ui.com) using custom API keys to track remote WAN status and local IP addresses of UniFi Express (UX) gateways. Before jumping into the script code, it is important to understand why command-line scripts are extremely useful for modern smart homes. Beyond convenience for terminal users, these CLI scripts act as… Read More: Home Assistant & Smart Infrastructure Setup (2): Interfacing with the… »

Determine the size of all the tables in a Oracle database schema

By | February 19, 2026
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Finding the size of tables in Oracle can be a bit more nuanced than in other databases because Oracle manages space through segments. To get an accurate picture, you generally want to look at the USER_SEGMENTS view (for your own schema) or DBA_SEGMENTS (if you have administrative privileges and want to see someone else’s schema).… Read More: Determine the size of all the tables in a Oracle… »

Starship with bash: customize the status command line with a workday hour counter

By | October 16, 2025
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I am a big fan of of Starship Cross-Shell prompt see https://starship.rs/ You can add to the command line very fancy information besides the default stuff that is also extremely useful. You can add a workday hour counter to your Starship prompt by creating a small script and then telling Starship to display its output… Read More: Starship with bash: customize the status command line with a… »

Summer days philosophy : The “paper straw” metric, mega yachts and the “green bulshit” .

By | June 29, 2025
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What a wonderful thing, to relax, sit by the sea, with a gin tonic in your hand. What can spoil that moment? Obviously, because I am always picky and obsessive to find flaws in everything, I found it. The f.king paper straw that dissolved half way my gin tonic. Annoyed by it I looked up… Read More: Summer days philosophy : The “paper straw” metric, mega yachts… »

Secure Grafana with HTTPS: Extracting Keys and Certificates

By | May 30, 2025
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When setting up https for Grafana we need separate files to set the security. One with the certificate chain in PEM format and another with the private key. Step 1: Convert the JKS keystore to the PKCS12 format. After that it will be easier to extract the certificate chain and the private key. Step 2:… Read More: Secure Grafana with HTTPS: Extracting Keys and Certificates »

Be your own media company, do not let others sell your work

By | May 18, 2026
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Lately I have seen several good Twitter thread that resonated very well to my own conviction. Traditional media is dead. The printed press, the TV news, the traditional news agencies are all now just chasing the clicks, the sensational, the tabloid news. The quality of reporting is abysmal, the angle of the news is always… Read More: Be your own media company, do not let others sell… »

Learn #banking, #fintech and #payments jargon: Payment V-Mode advantages

By | July 25, 2022
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As I mentioned in a previous post usually there are two channels of sending payments to a Real Time Gross Settlement System: using a VPN network that connects all the participant financial institutions to the RTGS . using a 3rd party network like SWIFT that connects all the participant financial institutions to the RTGS Bellow… Read More: Learn #banking, #fintech and #payments jargon: Payment V-Mode advantages »