Get the X509 (TLS) certificate fingerprint

One of the most common operation I perform on X509 (used e.g. in TLS) certificates is getting their fingerprint – it’s sometimes necessary to point to a specific

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OCR from CLI with AWS Textract

A couple days ago I decided to get my act together regarding incoming mail (physical ones) and other documents so I scanned everything before throwing to big box

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Generating secrets in Linux terminal

While working with the infrastructure, on the daily basis I need to generate some random passwords for various services and users. Of course you can use some shell

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Escaping Argo Workflows templates in Helm

Go Templating syntax is used everywhere in Kubernetes world. The most popular use case and a place you can find it are… Helm Charts. But other products such

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