1. Introduction For many Ubuntu users, managing ports is a crucial aspect of maintaining security and network performance. Checking open ports is essential for preventing attacks, especially when runn […]
1. Introduction Why Change the Hostname on Ubuntu? The hostname is a crucial element for identifying a machine within a system or network when managing servers or virtual machines. This is especially […]
1. Overview of Netplan in Ubuntu What is Netplan? Netplan is a network configuration management tool introduced in Ubuntu 17.10 and later versions. Previously, ifconfig and /etc/network/interfaces wer […]
1. What is the ping command? Overview of the ping command The ping command is a fundamental tool used to check the connection status between a host on a network. It sends ICMP ECHO_REQUEST packets and […]
1. Importance of NTP on Ubuntu What is NTP? NTP (Network Time Protocol) is a protocol used to accurately synchronize the time of computer systems over a network. Maintaining accurate time is essential […]
1. What is a Static IP Address? Basics of a Static IP Address An IP address is a unique number used to identify each device on a network. In most network environments, IP addresses are dynamically ass […]
1. Introduction Opening ports is a necessary configuration that allows specific applications and services to be accessed from external sources. By default, most ports are closed in Ubuntu to enhance s […]
1. What is an IP Address? An IP address is a unique number used to identify a device on a network. It is essential for sending and receiving data over the internet or a local network. There are two ma […]
1. Introduction Samba on Ubuntu is a powerful tool that enables file sharing across different operating systems. It allows seamless data exchange between Linux, Windows, and macOS, making it particula […]
Guide to SSH Configuration and Security Hardening on Ubuntu 1. What is SSH? How to Use It on Ubuntu SSH (Secure Shell) is a protocol used to securely connect to and operate a remote server. In Linux-b […]