System & Network Admin

nixbuild.net provides Nix builds as a cloud service. It takes away the effort of managing and scaling build clusters and integrates with any setup using Nix.

(I wanted to split this thread from #296 (comment) .) Let's discuss relations with IPFS here. As I see it, mainly a decentralized way to distribute nix-stored data would be appreciated. What we...

You can use the stat command to view dates and times associated with Linux files, and the date command can do some handy conversions if you’d like to display the current time in the epoch format.

Our topic today is configuring desktop Linux DNS settings. It’s simple in principle and can yield privacy, security, and availability benefits. Yet despite how straightforward it is in theory and historically was in practice, customizing your device’s DNS is no longer an intuitive matter.

I’ve been using Nix for a few months now, and one of my largest outstanding pain points is that any time I’m in a nix-shell, none of my stuff works the way I want it to. On a scale from “uses the stock PS1” to “wrote their own shell,” I’m prettttty far to the right. I haven’t actually written my own shell, but, you know, I’ve started writing my own shell, and I have lots of aliases and a fancy custom fzf-based autocomplete thing and weird tmux integrations and strong feelings about how my shell should behave. And I cannot tell you the number of times I have seen this error message:

Discover what key factors you should know before planning an outdoor PoE installation.

Learn to verify files and directories in Bash with our concise guide: How to Check if a File or Directory Exists in Bash.

Our proof-of-concept minimal CI System that builds an Elixir release and deploys it as a systemd service on NixOS, which itself presents an attractive value proposition: reproducible, declarative, reliable Linux system configuration.

Shufflecake is an innovative tool for creating an encrypted and hidden filesystem in Linux. Learn how to setup your own in Ubuntu today.

The message isolation approach offers a scalable, cost-effective solution for testing Kafka-based asynchronous workflows.

Containers, processes, namespaces, security, troubleshooting

If you’re reading this article, you’ve most likely used SSH to connect to a remote server and SCP (Secure copy protocol) to copy files…

In popularizing Linux containers, Docker brought about a new era of systems design based on these lightweight platforms, rather than heavy virtual machines. However, now that Docker is slowly declining, it’s time to learn about the next generation of Linux container tools.

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Introduction: An FTP server allows connected users to download, upload, and navigate the directories of files stored on the server. After this server setup is complete, you will be able to access the FTP server via terminal, or by using its credentials in an FTP client like FileZilla or Cyberduck. We'll use vsftpd as well

Introduction: Big business and small startups alike, servers form the core infrastructure of any tech company. If you're setting up those servers yourself, you'll want to make sure you're doing it right. Linux systems form the backbone of the world's server computers, and a good portion of those machines are running on Ubuntu (or some kind of

Introduction: In business, proxy servers are often used in penetration testing to simulate attacks on networks without leaving a trace. Here, we're going to set up a proxy server using ProxyChains. ProxyChains is a powerful open source tool for passing infiltrating traffic through a number of proxies, making it difficult to attribute traffic to its

How do you set up your servers? You probably just know how to, like it's an instinct. But is it the absolute best way to do it? Are you leaving holes in your security, or forgetting to add users that desperately need access? Or, look at it another way: If you're the only one who

Introduction: If you want to host content on the web — or just want to serve html files internally — there's little more reliable, better documented, and wholly supported than Apache. Its strengths justify its ubiquity: Apache serves 46% of all active websites. In this checklist, we'll walk through a basic Apache setup that lets

Introduction: While the back end of an office might be pure Linux, the machines that see daily use by employees probably aren't. Without a file server, it's difficult to make Linux and Windows computers share files nicely. he solution is to install Samba on a server, and store the files that should be shared on

In this guide, we shall take a look at how to extract tar, tar.gz, tgz, and tar.bz2 files to a specific or different directory in Linux systems.

A launchd primer covering configuration, administration and troubleshooting. Complete with examples.

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