Linux

Articles and tutorials about Linux compute, storage and networking services to help you build better and more secure systems.

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Linux

How to Install and Configure a Private BIND DNS Server on Ubuntu 22.04?

Mar 20, 2023 by Mantas Levinas

Learn how to install and configure BIND 9 DNS server on Ubuntu 20.04 and configure DNS zones to work with Cloudflare as a DNS forwarder.

Linux

How to Secure Your PostgreSQL Server?

Mar 1, 2023 by Mantas Levinas

Learn different measures that you can implement to fortify the security of the PostgreSQL server and establish a safeguard against potential breaches.

Linux

How to Use Rsync on Linux to Synchronize Local and Remote Directories?

Jan 31, 2023 by Mantas Levinas

Learn to use Rsync - a file transfer and synchronization tool that securely copies and synchronizes files between two directories - local or remote

Linux

How to Set Up ZFS File System for PostgreSQL on Ubuntu 22.04?

Dec 12, 2022 by Mantas Levinas

Learn how to use ZFS with PostgreSQL to build a performant and easily scalable database that is a much cheaper alternative to managed cloud database services

Linux

How to Manage Linux System Routing Rules With Iptables

Dec 5, 2022 by Mantas Levinas

Learn how to use iptables filters, chains and tables to manage firewall rules in the Linux kernel and ensure system security.

Linux

A Complete Guide to Understanding Linux File System Tree

Nov 14, 2022 by Mantas Levinas

Linux filesystem follows a tree-like hierarchical layout that is governed by the Filesystem Hierarchy Standard (FHS). Learn about the core principles behind it.

Linux

How to Partition and Format Disk Drives on Linux

Sep 15, 2022 by Mantas Levinas

This article will walk you through how you can partition and format disks to complete common Linux administration tasks.

Linux

An Ultimate Guide of How to Manage Linux Systemd Services With Systemctl Command

Sep 8, 2022 by Mantas Levinas

Systemctl is a CLI interface to systemd - a default service manager that provides core functionality for many modern Linux distributions. Learn how to use it.

Linux

How to Setup Linux Firewall Using Firewalld

Aug 22, 2022 by Mantas Levinas

Firewalld is a customizable host-based firewall management solution for Linux with a comprehensive set of firewall rules. Learn how to install and start using it.