System & Network Admin

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.

Programming book reviews, programming tutorials,programming news, C#, Ruby, Python,C, C++, PHP, Visual Basic, Computer book reviews, computer history, programming history, joomla, theory, spreadsheets and more.

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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In Terminal on your Mac, use launchd to run a shell script as a daemon.

When we run certain commands in Unix/Linux to read or edit text from a string or file, we most times try to filter output to a given section of interest.

In this article, we will explore how to leverage Awk to print fields and columns, providing practical examples and explanations to demonstrate its effectiveness

Using Elixir instead of Python or Ruby for shell scripting.

Unlock Linux kernel insights with eBPF tracing. Collect performance data, troubleshoot, and gain granular visibility.

Errors are easy to make when programming multiple concurrent processes or threads. Using atomic operations and well-formed locks can help to avoid such errors.