#linux

If you run a server exposed to the internet, it’s being probed right now. Most people know this but...

At a construction company where I worked as IT manager, communication was fragmented across three...

Introduction You may never have installed Linux on your own computer, but you use it...

A key passed as a flag is readable by every account on a shared Linux box. How to wire a CLI that only takes --apikey without the key touching a command line.

You added a line to your crontab, waited, and nothing happened. Or the script works perfectly when...

In August an external penetration test listed twenty three of our Linux servers as accepting SSH...

MSL is my Mac Subsystem for Linux: type msl <instance> in any terminal and you're in a Linux...

Slow cloud server and nothing changed in your code? Check CPU steal time: what the st column in top and vmstat means, when it matters, how to log it with sar and what to do when it stays high.

One of the DevOps team members was working on to create a new custom docker image on App Server 1 in...

Run warden on demo data, sign in, and query it over REST and MCP before wiring it to your own machines. Every step is re-run weekly on a fresh box.

systemd-homed makes a Linux account and its home directory one signed, encrypted, portable object. Here is the homectl lifecycle, the on-disk layout, PAM/NSS integration, and the gotchas.

I measured QSV HEVC on real 1080p files: ICQ 18–22 inflate thin sources, the quality cliff sits between 28 and 30, and fast equals medium byte for byte.