You investigate Btrfs. You read the documentation and many blog posts about it.It has its advantages. It gives you value. Structure.Then you check some installation guides: No. You don’t have to be a magician to install Debian on Btrfs.The Debian installer can do it for you. The installer creates a perfectly usable Btrfs filesystem.You can…
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Small and medium businesses are in a difficult position concerning technology and computers.Most of you are in survival mode to be able to operate. Probably an acquaintance or relative helps you – or a small company suggested by them.
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A major system upgrade.A risky configuration change.Testing a new application. On traditional filesystems, recovery usually means restoring from backups.Sometimes it requires reinstalling the system entirely. OpenZFS provides tools for managing risk.Snapshots, dataset properties, compression, and encryption can be managed directly by the filesystem. OpenZFS is more than a filesystem.It is a filesystem and volume manager designed to simplify storage administration.
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The classic system administration changed a lot in a decade.Virtualization and container technology went through a remarkable improvement. They have a stable place in the systems: FreeBSD Jails don’t compete with containers.They don’t substitute virtual machines.Jails just fill a gap.
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XMPP or Extensible Messaging and Presence Protocol is an open communication protocol.It has been actively developed since it was introduced in 1999.Over time, a large part of its user base migrated to centralized cloud platforms. IRC is a simple, reliable, text-based protocol.Matrix is a robust but more complex protocol with higher resource requirements.XMPP sits between them, closer to IRC…
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If you care about privacy, you probably already know the Matrix protocol.The federated structure of the decentralized network loosely resembles IRC networks.Matrix ships with spaces, rooms, user management, and much more. Most of you don’t host it because of its complexity.I break it down to simple, actionable steps.
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You saw the simplicity of Ergo Chat.Now you think about how to build a modern, modular IRC server – like in the old days. Together they form the base of a stable and reliable communications service. In 2026 IRC may not be the primary comms channel, but it’s perfect for secondary/backup.
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Want a private comms channel without relying on Discord or Slack?IRC is alive, and you can run your own today. A small, well-configured IRC server gives you privacy, control, and minimal attack surface – all in a few commands. Some people think that IRC is dead.Some of them don’t even know what is it.They’re young,…
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Windows Subsystem for Linux: a practical way to run Linux on Windows. Run Linux GUI applications – through WSLg. There are situations when a powerful Linux desktop is not given. In this case WSL can provide some Linux tooling and flexibility. Operators don’t break. We bend – we adapt.
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Sensitive information is everywhere: Names. Password hashes. Emails.Financials. Customers. Quotes.Configurations. Passwords. Every company has their own threat model. Yet – everyone should protect their most sensitive data.
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When the enterprise behind one of the widespread hypervisors was acquired:many sysadmins decided to move on. Only a very few operators dared to rework their processes and architecture. KVM (Kernel-based Virtual Machines) is part of the Linux kernel.It is a stable and fast hypervisor. KVM is not a downgrade. It’s a sideways step.
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Automation and configuration management are not just about comfort.They provide security, auditability and operational freedom. For this reason Tom’s IT Cafe provides an Ansible role that: The role focuses on a small, auditable code base with strong security.
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You feel the comfort of the cloud – low maintenance, fast setup.Your source code, configuration and files are safe. Or… are they? You rely on a third party for infrastructure control, security operations and availability.What would your business continuity plan look like if your SaaS provider became unavailable? In this article we investigate a self-hosted…
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If you have any data – backups are not optional.Devices crash. Pendrives disappear. Houses burn down. Your backups are useful only if you can restore them.
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Linux power management was tricky in the early days.Adding LUKS and LVM to the mix was a suicide combo. Today it’s not just a possibility – it’s a baseline requirement for secure Linux setups.
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