How to Disable Unattended Upgrades on Ubuntu

How to Disable Unattended Upgrades on Ubuntu

Unattended upgrades can be a double-edged sword. While they keep your system up to date automatically, they might also unexpectedly change the system’s state or introduce new issues without your prior knowledge. In certain environments, especially in production or where stability is a must, it might be preferable to disable these automatic updates. This guide will walk you through the steps necessary to disable unattended upgrades on your Ubuntu system.

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How to Install G++ (C++ Compiler) on Ubuntu

How to Install G++ (C++ Compiler) on Ubuntu

Welcome to this comprehensive guide on installing and managing different versions of the G++ compiler on Ubuntu. The G++ compiler is a vital tool for developers who need to compile C++ applications, and having the correct version installed can significantly affect the functionality and compatibility of developed software. This tutorial is designed to help students, hobbyists, and professional developers successfully install the G++ compiler on their Ubuntu systems and navigate between different versions as needed. Whether you are setting up a development environment, learning C++, or managing multiple C++ projects, this guide will provide you with detailed steps and explanations to ensure that you have the necessary tools to work efficiently with Ubuntu, a popular choice for developers due to its stability and robust community support.

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Ubuntu Restricted Extras: What They Are and How to Install Them

Ubuntu Restricted Extras: What They Are and How to Install Them

Ubuntu Restricted Extras is a software package that enhances the user experience on Ubuntu desktops by providing a set of important utilities and codecs that are typically not included in the standard installation. This includes media codecs necessary to play various audio and video files, support for playing DVDs, and Microsoft TrueType fonts. These are called “restricted” because they are not included with Ubuntu by default due to legal and copyright restrictions in various countries.

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How to fix: The requested nginx plugin does not appear to be installed

How to fix: The requested nginx plugin does not appear to be installed

Encountering an error stating “the requested NGINX plugin does not appear to be installed” can be a stumbling block when setting up or configuring your web server. This issue often arises during the installation of Let’s Encrypt SSL certificates using Certbot or when configuring certain modules within NGINX. Fortunately, with a systematic approach, this problem can be resolved efficiently.

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Enabling SSH Root Login on Ubuntu/Debian Linux Servers

Enabling SSH Root Login on Ubuntu/Debian Linux Servers

Securing remote server access is paramount for system administrators and developers. While it’s common practice to disable root login over SSH due to security concerns, there are scenarios where enabling it is necessary, such as when managing a remote server without a user account or for specific administrative tasks. This article guides you through enabling SSH root login on Ubuntu or Debian Linux servers or desktops, ensuring you can access your system with the necessary precautions.

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How to find my IP address on Ubuntu Linux

How to find my IP address on Ubuntu Linux

Finding your IP address on Ubuntu can be crucial for various networking tasks, such as setting up a server, troubleshooting connectivity issues, or simply ensuring your network’s security. Ubuntu, with its powerful command-line interface and graphical user interface options, offers multiple methods to discover your machine’s IP address. Whether you’re a seasoned system administrator or a curious novice, understanding how to locate your IP address is a valuable skill in the digital age. Keep in mind that your internal IP address is different from your system’s external IP.

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How to Restart Network on Ubuntu Linux

How to Restart Network on Ubuntu Linux

Network connectivity issues can be a common frustration for users of Ubuntu Linux. Whether you’re dealing with slow internet speeds, connection dropouts, or changes in network configuration, restarting your network services can often be a quick and effective solution. This guide will walk you through several methods to restart your network on Ubuntu Linux, ensuring you can get back online with minimal disruption.

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Ubuntu 20.04 Download

Ubuntu 20.04 Download

In this tutorial, you will learn where to download and how to download Ubuntu 20.04 LTS ISO image for Ubuntu, Kubuntu, Ubuntu Budgie, Ubuntu Studio, Xubuntu, Lubuntu, Kylin desktops and Ubuntu 20.04 Server. Additionally, you can download server preinstalled images for Raspberry Pi and various other architectures. Lastly, hypervisor cloud images such as Azure, Vagrant, KVM or VirtualBox are also available for download.

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Mount USB Linux

How to mount USB drive in Linux

Mounting USB drive is no different than mounting USB stick or even a regular SATA drive. The video example below will illustrate the entire process of mounting USB drive on Linux system. To gain more understanding, read the subsequent paragraphs. In Linux, you can mount all file systems including ext4, FAT, and NTFS.

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Setting Up a Linux Intrusion Detection System with AIDE

Setting Up a Linux Intrusion Detection System with AIDE

An intrusion detection system (IDS) is an important security tool for system administrators. Its purpose is to notify us whenever it detects that a potential intrusion has occurred. When an attacker compromises a system, one of the first things they will usually do is attempt to change file permissions, attempt to escalate to the root user account, or start modifying system files. The IDS is configured to monitor for these changes and make us aware of them if they occur.

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How to use Raspberry Pi to monitor network traffic

How to use Raspberry Pi to monitor network traffic

There are a plethora of tools available for the Raspberry Pi that system administrators can use to monitor network traffic. Newer Raspberry Pi models even come with a built in WiFi chip in addition to the traditional Ethernet port, giving us even more options for connecting to networks and monitoring traffic. Network monitoring can be useful for troubleshooting connectivity problems or identifying bottlenecks that are slowing down connections.

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Set up Raspberry Pi as Router

Set up Raspberry Pi as Router

The Raspberry Pi can be a great choice if you want to implement a customizable router for your home network. Rather than paying big bucks for a router which is not as configurable due to its proprietary software, the Raspberry Pi can be transformed into a router while retaining its default Linux operating system, with which system administrators are very familiar. Firewall rules and network monitoring are made easy when all of the traffic is passing through the Raspberry Pi instead of a locked down router.

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