If your SSH port is exposed to the internet and your account password is compromised, an attacker could use it to log in to your server. One way to reduce this risk is to disable password login and require an authorized SSH key instead. Only clients with access to the matching private key can authenticate, so a stolen account password alone is not enough.

Here is how to configure it, check the settings, and test a new connection without locking yourself out.

The server commands below are for Debian. On other systems, the configuration paths, service names, or service-management commands may differ.

I am setting up Home Assistant on an old Dell laptop. Because this machine will run all the time, I have been looking for small ways to reduce its power usage.

One simple improvement is to turn off Wi-Fi whenever Ethernet is connected, then turn Wi-Fi back on when the Ethernet cable is unplugged. Debian 13 uses NetworkManager, so this can be automated with a dispatcher script.

Build your own DNS, Git, Redis, or programming language from scratch with Codecrafters.

Git is an essential tool for modern software development. While most developers are familiar with basic commands like git add, git commit, and git push, there are many lesser-known but incredibly useful Git commands that can make your workflow more efficient. This post covers some handy Git commands that might not be part of your daily routine but can be extremely valuable in specific situations:

• Finding Branches Containing a Specific Commit
• Finding the Merge Base Between Two Branches
• Finding Changes Between Commits
• Stashing Untracked Files
• Searching Through Commit History
• Checking Out Pull Requests Locally
• Recovering Lost Commits

Adding a comment section to your Docusaurus blog can increase engagement with your readers. Giscus is an excellent choice as it uses GitHub Discussions as a backend, allowing readers to comment using their GitHub accounts without requiring additional authentication systems.

I've been struggling with System Data on my iPhone taking up all the storage. I tried many solutions, including this discussion thread, but nothing worked.

Finally, I found a solution that reduced my System Data from 17GB to 1.57GB!

Steps to install HP LaserJet 1020 printer on macOS.

Need to find which branches contain a specific commit? Here's how.

In some scenarios, you may want to customize the HTML in Vitest to align with your actual app's HTML structure. You can do it by one of the following options:

Sometimes during development, you might encounter situations where console.log has been overridden. This commonly happens in production builds where logging is disabled to prevent exposing sensitive information or to improve performance. However, when debugging, you might need to restore the original console.log functionality.