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Operating System Articles
Page 24 of 171
Hegemon - A Modular System Monitoring Tool for Linux
Hegemon is an open-source, modular system monitoring tool designed specifically for Linux systems. It provides real-time visualization of system performance metrics through an intuitive interface, allowing administrators and developers to track CPU usage, memory consumption, disk utilization, and network traffic efficiently. System monitoring is essential for maintaining optimal Linux system performance and preventing potential issues before they impact operations. Unlike traditional monitoring tools that can be resource-intensive or difficult to configure, Hegemon offers a lightweight, customizable solution that adapts to specific monitoring requirements. How Hegemon Works Hegemon operates through a modular architecture where each module monitors specific ...
Read MoreHow to Access a Remote Server Using a SSH Jump Host?
SSH Jump Host is an intermediate server that acts as a secure gateway to access remote servers that are not directly reachable from your local network. It provides an additional layer of security and allows you to connect to target servers through a controlled access point. Remote servers, also known as cloud servers or virtual private servers (VPS), are computing machines hosted off-site that may be placed behind firewalls or in private networks. SSH jump hosts solve connectivity challenges by serving as a secure intermediary, allowing you to access remote servers without exposing sensitive information or compromising security. ...
Read MoreHow to Access BMC Windows Server
BMC (Baseboard Management Controller) is a specialized service processor that monitors the physical state of a server using sensors and communicates with system administrators through an independent network connection. Accessing BMC on Windows Server allows remote management of hardware components even when the server is powered off. BMC provides out-of-band management capabilities, enabling administrators to monitor server health, manage power states, and troubleshoot hardware issues remotely. This is particularly valuable for data centers and remote server locations where physical access may be limited. Prerequisites for Accessing BMC Windows Server Network Configuration BMC requires a dedicated network ...
Read MoreHow to Change Console Fonts in Ubuntu Server?
Console font customization in Ubuntu Server allows system administrators to improve readability and personalization of the command-line interface. The default console font may be too small or difficult to read, especially on older monitors or in low-resolution environments. Benefits of Changing Console Fonts Customizing console fonts offers several advantages for system administrators and users working in terminal environments. Better Readability The default Ubuntu Server console font can be challenging to read, particularly on older monitors or displays with low resolution. Changing to a larger or clearer font reduces eye strain and improves productivity during extended terminal ...
Read MoreHow to Change FTP Port in Linux?
FTP (File Transfer Protocol) is a standard network protocol used to transfer files between hosts over a TCP-based network. In Linux systems, FTP servers typically run on port 21 by default. However, changing this default port is a common security practice that makes it harder for attackers to discover and target your FTP service. Understanding the Default FTP Port The default FTP port is 21, assigned by the Internet Assigned Numbers Authority (IANA). This port is well-known and widely recognized, making FTP services easily discoverable by both legitimate users and potential attackers. Security Risks of Default Port ...
Read MoreHow to Change Hostname in Debian 10?
Hostname is a unique name that identifies your computer on the network in Debian 10. Changing the hostname can improve system organization and identification, making it easier to manage devices on your network and connect remotely to your machine. Checking Current Hostname Before changing the hostname, it's essential to check the current system hostname. The hostnamectl command provides comprehensive information about your system's naming configuration. Terminal Command for Checking Current Hostname $ hostnamectl status This command displays detailed information about your system's hostname configuration, including − Static Hostname − The permanent ...
Read MoreHow to Change Hostname on Ubuntu 18.04?
A hostname is the unique identifier of a device in a network, used to identify and connect to other devices. It is a label given to a computer that enables unique identification when connected to the internet or any network. By default, Ubuntu assigns a hostname during installation, but you may need to change it to reflect the machine's function or location for easier network identification. Checking Current Hostname Before changing your Ubuntu 18.04 hostname, check the current configuration using the hostnamectl command. Open a terminal and run − hostnamectl This displays system information ...
Read MoreHow to Change Hostname on Ubuntu 20.04?
A hostname is the unique name that identifies a device on a network. It allows other devices to locate and connect to it, making it an essential component of any network setup. Whether you're running a small home network or managing multiple servers in an enterprise environment, understanding how to change the hostname can come in handy. In this article, we'll explore how to change the hostname on Ubuntu 20.04 using both the command line interface (CLI) and Ubuntu's graphical user interface (GUI). Checking Current Hostname Before changing the hostname, you first need to know what the ...
Read MoreHow to Change Jenkins Home Directory?
Jenkins is a popular automation server that helps automate tasks in the software development process. The Jenkins Home Directory, also known as JENKINS_HOME, is the location where all configuration files, plugins, jobs, and other essential files are stored. This directory plays a significant role in maintaining the stability and performance of the Jenkins environment. There may be situations where you need to change the Jenkins Home Directory location, such as moving to a larger disk, relocating to a different server, or organizing your file system better. Preparing to Change Jenkins Home Directory Understanding the Current Jenkins Home ...
Read MoreHow to Change Nginx Port in Linux?
Nginx is a popular open-source web server known for its speed, reliability, and scalability. The default port for Nginx is 80, which handles standard HTTP traffic. While this port works well in most cases, changing it can enhance security by making your server less predictable to potential attackers who commonly target well-known ports. Checking Current Nginx Configuration Before changing the Nginx port, it is important to verify that your current configuration is correct and identify where the port settings are located. Step-by-Step Configuration Check Follow these steps to check your current Nginx configuration − ...
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