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Debian is a free and open-source Linux distribution that is known for its stability, versatility, and commitment to the principles of free software. It serves as the foundation for many other Linux distributions and offers multiple branches to cater to different user needs. Debian is developed by a volunteer community and is available in three main branches: Stable, Testing, and Unstable.
Why Choose Debian?
Stability: Debian Stable is renowned for its focus on stability and reliability, making it an excellent choice for production servers and systems that require minimal downtime.
Community and Philosophy: Debian strictly adheres to the Debian Free Software Guidelines (DFSG) and promotes the use of free and open-source software. Its strong commitment to principles attracts users who value software freedom.
Package Management: Debian's package management system (APT) is robust and versatile, enabling users to easily manage software installation, updates, and removal.
Wide Software Availability: Debian's extensive repositories offer a wide variety of software packages, allowing users to find applications and tools for various use cases.
System Customization: Debian provides a high level of system customization, allowing users to build tailored systems by selecting software components during installation.
Server and Desktop Use: Debian is suitable for both server and desktop environments, providing a solid foundation for web hosting, databases, and other server applications, as well as a user-friendly desktop experience.
Update Packages: After deploying Debian, use the apt package manager to update the system packages and ensure you have the latest security patches and bug fixes.
Network Configuration: Set up networking by configuring network interfaces, IP addresses, DNS settings, and other network-related parameters.
User Accounts and Permissions: Create user accounts, set passwords, and configure user and group permissions for files and directories.
Firewall Setup: Configure the firewall using tools like iptables or ufw to allow necessary services and block unauthorized access.
Install Additional Software: Use the apt package manager to install software packages needed for your server's purpose, such as web servers, databases, and utilities.
More Tips for Debian
Package Management: Learn the various apt commands for managing packages, including installation, updating, upgrading, and removal.
Backports and Third-Party Repositories: Debian Backports offer newer software versions for the stable release. Additionally, consider using third-party repositories when needed, but exercise caution to maintain system stability.
Security Updates: Regularly apply security updates to keep your system secure. Enable automatic updates or set up a regular update schedule.
Systemd: Familiarize yourself with systemd for service management, logging, and system control. Use commands like systemctl to manage services.
Filesystem Hierarchy: Understand the Linux filesystem hierarchy, as Debian adheres to these standards. This knowledge helps with managing files and directories effectively.
Kernel Management: Keep the kernel updated and consider using the backports repository for newer kernel versions.
Documentation: Debian provides comprehensive documentation, including the Debian Administrator's Handbook. Use these resources for troubleshooting and learning.
SSH Security: Enhance SSH security by using key-based authentication, disabling root login, and configuring SSH access settings.
Remember that Debian offers different branches (Stable, Testing, and Unstable) with varying levels of software stability and updates. Choose the appropriate branch based on your needs and preferences.