news
today's howtos
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It's FOSS ☛ How to Change Raspberry Pi Wi-Fi Details From the SD Card
No need to connect the Raspberry Pi to a display and keyboard. Take out the SD card and modify the WiFi credentials directly.
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Linuxize ☛ How to Open a Port in the Firewall on Linux
Open a port in a GNU/Linux firewall with ufw, firewalld, nftables, or iptables, then make the rule persistent and test remote access.
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OSTechNix ☛ 8 SSH Hardening Tips to Secure a Linux Server Against Brute-Force Attacks
Enough said. In the following sections, we will learn how to apply these protections on a Linux server.
Following are the 8 essential SSH security hardening tips I'd recommend to defend your Linux system against password brute-force attacks.
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Darren Goossens ☛ No-Width Optional Break is not working; workaround
No-Width Optional Break is not working. Replace with zero width space (Unicode 200B).
This webpage is really handy: [...]
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Reverse dependencies as a zypper plugin
A few years ago I wrote a blog post about a small hackweek project called
rdepends. The idea was simple: given a package, find out what other packages depend on it, recursively. It lived in my home project on the build service and it was a useful but rough tool.Since then a few things happened that made me revisit it.
Zypper got the feature
Back when I started this project, zypper had no built-in way to ask “what depends on package X?”. You could ask the other direction easily with
zypper info --requires, but not the reverse. I raised this with the zypper developers and Benjamin Zeller implemented the--requires-pkgflag in zypper 1.14.33. So now you can do: [...] -
Peter 'CzP' Czanik ☛ Using syslog-ng with Elasticsearch 9.5
Recently, I heard complaints within the syslog-ng community that using Elasticsearch is not that easy anymore. I installed Elasticsearch 9.5 with Kibana to verify these claims.
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TecMint ☛ How to Manage Linux Updates Across Multiple Distributions
But a scheduled job can keep them all current automatically, so running updates is rarely the problem. The challenge isn’t in applying the updates themselves; it’s being able to see, at any moment, which machines are actually current and which have quietly slipped behind.
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TecMint ☛ usermod Command: Manage Linux Users, Groups, UID, Shell and More
Everything below was tested on Ubuntu 26.04 with shadow-utils. Where behavior differs on RHEL-based systems, I’ve called it out.
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How to Try Omarchy Linux on a Mac, Without Installing Linux
Omarchy is a new curated Linux distribution that offers a pre-configured keyboard driven environment and window manager. It’s lightweight and highly customizable, with system integrated AI tools, making for a unique take on operating systems. With Omarchy gaining quite a bit of attention, you might be curious in giving Omarchy a test run, but perhaps you’re not yet ready to commit an entire computer to running the new Linux distro, or don’t want to tinker with a VM.