Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Jon Seager @jnsgruk@hachyderm.io

2/16/2026, 11:20:08 AM

Public

Today I published an update on the #Canonical supported #upki project, which brings browser-grade Public Key Infrastructure to Linux through the efficient #CRLite data format, with the core revocation engine now functional and available to test!

Beyond current progress, this post explores broader integration, performance, and future capabilities like Certificate Transparency enforcement and Merkle Tree.

This is all part of the effort to increase the resilience of #Ubuntu machines by default, but I hope it has a wider benefit on the Linux ecosystem going forward!

https://discourse.ubuntu.com/t/77063

#CertificateTransparency #PKI #Cryptography

An update on upki

Last year, I announced that Canonical had begun supporting the development of upki, a project that will bring browser-grade Public Key Infrastructure (PKI) to Linux. Since then, development has been moving at pace thanks to the tireless work of Dirkjan and Joe. In this post, I’ll explore the progress we’ve made, how you can try an early version, and where we’re going next. Architecture & Progress As a reminder, upki’s primary goal is to provide a reliable, privacy-preserving, and efficient cer...

discourse.ubuntu.com · Ubuntu Community Hub

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