How to Network Connect Two Containers With Docker-compose

Networking is one of the fundamental aspects of working with containers in Docker. Using Docker Compose, you can easily connect multiple containers and manage complex applications comprised of several services. In this article, we will explore how to connect two containers using Docker Compose effectively. By the end, you will have a clear understanding of how to define networks in your configuration and enable seamless communication between your services.

You have 4 days to update Firefox before everything breaks

On March 14, 2025, a root certificate used to verify signed content and add-ons for Firefox, Thunderbird, and other Mozilla projects expired. The expiration of this certificate will cause problems for Firefox users unless they update to version 128 (or ESR 115.13+). This includes versions for Linux, MacOS, Windows, Android, and iOS — in other words, all platforms.

Is Ubuntu Compromised? Push Away From GNU and GPL Led by Army Officers.

What if we told you that the person who pushes Rust into Ubuntu (to replace GNU) comes from the Army, where he worked on mass surveillance, according to himself? He later went into the same industry the former CEO of Canonical had come from. His Web site says that he: “Architected and built multiple high-end bespoke Electronic Surveillance capabilities.”

[$] Better CPU vulnerability mitigation configuration

Modern CPUs all have multiple hardware vulnerabilities that the kernel needs to mitigate;
the 6.13 kernel has workarounds for 14 security-sensitive CPU bugs just on x86_64.
Several of those have multiple variants,
or multiple mitigations that apply on different microarchitectures. There are
different kernel command-line options for each of these mitigations, which leads
to a confusing situation for users trying to figure out how to configure their
systems. David Kaplan recently posted

a patch set
that adds a single, unified command-line option for controlling
mitigations and
simplifies the logic for detecting, configuring, and
applying them as well.
If it is merged, the patch set could
make it much easier for users to navigate the complicated web of CPU
vulnerabilities and their mitigations.