Tag: Linux
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Enable or Disable Root Login via SSH on Ubuntu
Root access via SSH on Ubuntu is disabled by default for security reasons. However, in certain scenarios, enabling root login can be beneficial, such as during administrative tasks or troubleshooting. This guide walks you through the process, highlights essential considerations, and offers tips to ensure security is not compromised. Read more…
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Installing NETDATA on Ubuntu with Nginx Reverse Proxy and Access Control
This guide provides a step-by-step walkthrough to install and configure NETData on an Ubuntu server, set up Nginx as a reverse proxy, and implement Access Control Lists (ACLs) for enhanced security. By the end, you’ll have a robust monitoring setup tailored to your needs. Introduction Server monitoring is a cornerstone of maintaining a secure and… Read more…
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How to Set Up a Proxy Server Using the Terminal
The ability to configure a proxy server is a valuable skill for managing network traffic, enhancing privacy, and bypassing restrictions. While graphical interfaces provide simplicity, using the terminal offers greater flexibility and control. In this guide, we will explore how to set up a proxy server using the terminal on various operating systems. Excerpt Configuring… Read more…
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Configuring Memcached for Secure Access Using Username and Password
Memcached is a powerful in-memory caching system often used to improve application performance. However, by default, it lacks authentication mechanisms, making it vulnerable to unauthorized access. This article outlines how to configure Memcached with username and password authentication, ensuring your cached data remains secure and protected. Introduction to Memcached Security Memcached is a high-performance, distributed… Read more…
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Batch Compress Image Files into WebP Format with cwebp on Linux
Efficient image compression is vital for web developers and designers striving to optimize website performance. This guide walks you through using cwebp, a Linux-compatible tool, to batch convert JPG, JPEG, and PNG files into WebP format—an image standard known for its superior compression and quality retention. By the end, you’ll have an automated solution to… Read more…
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Mastering the dig Command for DNS Queries
The dig command (Domain Information Groper) is a powerful and flexible tool for querying Domain Name System (DNS) records. It is commonly used by network administrators, developers, and security professionals to troubleshoot DNS issues, verify domain configurations, and gather domain information. This article provides a detailed guide on using dig effectively. Basic Usage The simplest… Read more…
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Advanced Configuration of Vim Editor: Taking Your Editing Experience to the Next Level
Vim is renowned for its versatility and efficiency as a text editor. While its basic functionalities are often sufficient for everyday tasks, advanced features make Vim a powerful tool for developers, writers, and anyone who works with text. This article explores advanced techniques and configurations that can elevate your Vim editing experience. Customizing Vim with… Read more…
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MTR – My Trace Route : A Powerful Network Diagnostic Tool
MTR (My Traceroute) is a comprehensive network diagnostic tool that amalgamates the functionalities of the traditional ping and traceroute commands. By providing real-time analysis of the network path between a source and a destination, MTR assists in identifying issues such as latency, packet loss, and routing anomalies. Installation: Basic Usage: To initiate MTR in its… Read more…