Checkmate: Your Open-Source Infrastructure Monitoring Solution
Discover how Checkmate brings uptime checks, server metrics, Docker monitoring, notifications, incident history, and public status pages into a self-hosted monitoring platform.
Tag Linux Tutorials
How to Set Up SSH Login Without a Password on Linux
Home / Linux / SSH Authentication Tutorial LINUX TUTORIAL OPENSSH SERVER SECURITY How to Set Up SSH Login Without a Password on Linux Configure SSH key-based authentication to connect securely to Linux servers without entering your account password every time.…
Linux User and Group Management Commands (2027 Guide)
This guide covers the commands you need to create, modify, lock and delete accounts, manage groups, control password aging, grant administrative rights safely and audit who is logged in.
How to Install and Configure PHP on Ubuntu 26.04
PHP is a widely used server-side scripting language for websites, content management systems, APIs, and web applications. Ubuntu 26.04 LTS provides PHP packages through its official repositories, making it possible to install PHP without compiling it from source or adding an external repository.
How to Add a User to a Group in Linux
Learn how Linux groups control access to files, services, and administrative tools. This guide covers adding users to supplementary groups, assigning multiple groups, changing a primary group, verifying membership, and safely troubleshooting common mistakes.
How to Add a User to Sudoers in Ubuntu
On Ubuntu, an authorized sudo user can run administrative commands using their own password, rather than sharing the root account password. By default, Ubuntu grants broad sudo permissions to members of the sudo group. The sudoers policy can also define more limited permissions for individual users or groups.
Linux sudo Cheat Sheet: Commands, Options and sudoers
sudo lets an authorized user execute a command as another user, usually root. The sudoers policy determines which commands are permitted and under what conditions. This makes it possible to delegate administrative tasks without sharing the root password.
SSH Multiplexing: Configure OpenSSH ControlMaster
SSH multiplexing lets multiple shell sessions and file-transfer commands reuse one authenticated SSH connection. With OpenSSH's ControlMaster, ControlPath, and ControlPersist options, you can reduce repeated connection setup for trusted hosts and automation workflows.
KVM vs Hyper-V: Differences, Performance, Cost, and Use Cases
KVM vs Hyper-V: Differences, Performance, Cost, and Use Cases Virtualization · Informational Guide KVM vs Hyper-V: Differences, Performance, Cost, and Use Cases KVM and Microsoft Hyper-V are two established virtualization platforms, but they fit into different operating environments and management…
KVM vs VMware: Differences, Performance, Cost, and Use Cases
KVM and VMware are both widely used for server virtualization, but they take different approaches to deployment, management, licensing, and ecosystem integration.