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How to Install Adobe Acrobat Reader on Ubuntu and Debian Linux

While Ubuntu and Debian come with native applications to open PDF documents by default, some users may prefer to install Adobe Acrobat Reader for its additional features and compatibility. This tutorial will guide you through the process of installing Adobe Acrobat Reader on Ubuntu and Debian. This application will provide enhanced capabilities for opening and managing PDF documents on these Linux distributions.

How to monitor a CPU temperature on RHEL/CentOS Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jul 18, 2024 3:59 AM CST)
  • Story Type: Tutorial; Groups: Linux
Monitoring the CPU temperature on RHEL/CentOS systems is crucial for ensuring the optimal performance and longevity of your hardware. Overheating can lead to thermal throttling, reduced lifespan of components, or even system crashes. In this guide, we will explore several methods to monitor CPU temperature, providing you with the tools to keep your system cool and running smoothly.

How to Install Chrome Browser on CentOS Linux

Installing Google Chrome on CentOS can be a straightforward process if you follow the right steps. Chrome, a popular web browser developed by Google, offers a fast and secure browsing experience. This guide will walk you through the process of installing Google Chrome on your CentOS system, including CentOS 7, 8, 9, and higher, as well as CentOS Stream versions.

Linux: What Process is Listening on a Port

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jul 8, 2024 8:30 AM CST)
  • Story Type: Tutorial; Groups: Linux
Understanding which processes are listening on specific ports in Linux is crucial for system administration and security. This knowledge helps diagnose network issues, secure the system, and ensure services are running as expected. In this article, we’ll guide you through identifying listening ports and the processes using them on your Linux system.

Bash Scripting vs Shell Scripting: Differences, Examples, and Comparisons

Bash scripting and shell scripting are essential skills for anyone working in a Unix-like environment. Although these terms are often used interchangeably, they refer to different scopes and functionalities. Understanding the nuances between bash scripting and shell scripting can significantly enhance your ability to automate tasks, manage systems, and write efficient code.

Restarting Docker on Linux: daemon, containers, composer and services

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jul 6, 2024 5:21 AM CST)
  • Story Type: Tutorial; Groups: Linux
Docker is a powerful platform for developing, shipping, and running applications inside containers. However, there are times when you might need to restart Docker or its components for various reasons, such as applying updates, resolving issues, or simply refreshing the environment. This guide will walk you through multiple ways to restart Docker on a Linux system, ensuring your containers and services continue to run smoothly.

How to Reset a Network Interface in Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jul 3, 2024 11:59 PM CST)
  • Story Type: Tutorial; Groups: Linux
In this tutorial, we will explore how to reset a network interface in Linux. Resetting a network interface can help resolve network issues, apply new settings, or refresh the network connection. This process involves bringing the interface down and back up, reloading drivers, and flushing configurations if necessary.

How to keep two directories in sync using lsyncd on Linux

  • linuxconfig.org; By Egidio Docile (Posted by linuxer on Jul 1, 2024 11:28 AM CST)
  • Story Type: Tutorial; Groups: Linux
Lsyncd (Live Syncing Daemon) is a free and open source we can use to keep a source and a target directory tree in sync. Written in the LUA programming language, it works by keeping track of filesystem events on the source, and replicating them on the target, typically using tools like rsync and ssh, under the hood. In this tutorial, we learn how to install lsyncd on the most used Linux distributions, and how to configure it to keep local and remote directories in sync.

How to Remove All Files and Directories Owned by a Specific User or Group on Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 28, 2024 9:03 PM CST)
  • Story Type: Tutorial; Groups: Linux
Removing all files and directories owned by a specific user or group on a Linux system can be crucial for maintaining system integrity and ensuring proper management of user data. Whether you need to clean up resources after removing a user, enforce security policies, or simply free up disk space, understanding the steps to perform this task efficiently and safely is important.

How to list all VirtualBox available virtual machines from command line

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 28, 2024 12:08 AM CST)
  • Story Type: Tutorial; Groups: Linux
In this article, we will explore various methods to list all available virtual machines (VMs) in VirtualBox using the command line. This will include techniques to list running, stopped, suspended VMs, their states, disk sizes, and more. Command line management of VMs is a powerful way to automate and streamline your virtualization tasks, especially for system administrators and power users.

How to reset MySQL root password on your Linux server

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 27, 2024 5:40 AM CST)
  • Story Type: Tutorial; Groups: Linux
Resetting the MySQL root password on a Linux server can be a critical task when access to the MySQL server is lost or when setting up a new server. This process involves several steps, including stopping the MySQL service, starting MySQL in a safe mode, and updating the root password. This guide will walk you through each step in detail to ensure you can reset your MySQL root password successfully.

How to List Filesystem Partition Type Codes in Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 25, 2024 6:25 PM CST)
  • Story Type: Tutorial; Groups: Linux
Understanding the filesystem partition type codes on a Linux system is crucial for managing disks and partitions effectively. These codes help identify the type of filesystem and the partitions’ role within the system. This guide will walk you through the steps to list these partition type codes using various command-line tools in Linux.

How to Remove Unused Packages on CentOS Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 24, 2024 6:28 PM CST)
  • Story Type: Tutorial; Groups: Linux
Removing unused or orphaned packages from your CentOS Linux system can help free up disk space, improve system performance, and reduce potential security vulnerabilities. Orphaned packages are those that were installed as dependencies for other software but are no longer needed because the original software has been removed. This guide will walk you through the steps to identify and remove these orphaned packages effectively.

Setting Up Nginx Reverse Proxy Server on Ubuntu/Debian

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 22, 2024 12:25 AM CST)
  • Story Type: Tutorial; Groups: Linux
A reverse proxy server is a type of server that sits in front of web servers and forwards client (e.g., web browser) requests to those web servers. Reverse proxies are typically installed to increase security, performance, and reliability. This tutorial will guide you through the process of setting up Nginx, a high-performance and highly scalable web server, as a reverse proxy on a system running Ubuntu or Debian.

How to Find Writable Files and Directories in Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 21, 2024 1:59 AM CST)
  • Story Type: Tutorial; Groups: Linux
When managing a Linux system, ensuring the security and appropriate permissions of files and directories is crucial. Particularly, being aware of which files and directories have write permissions is important for system security and data integrity. This guide will show you how to use the find command to search recursively through the file system to identify files and directories based on their write permissions.

How to disable NGINX logging on Linux

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 20, 2024 2:05 AM CST)
  • Story Type: Tutorial; Groups: Linux
Disabling logging in NGINX can be useful for various reasons, such as reducing disk usage, improving performance, or simply because you don’t need the logs for a particular application. This guide will walk you through the steps to disable access and error logging in NGINX on a Linux system.

How to Retrieve Docker Container’s Internal IP Address

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 18, 2024 8:40 PM CST)
  • Story Type: Tutorial; Groups: Linux
Docker containers are an essential part of modern application deployment and development. Often, there is a need to know the internal IP address of a Docker container for debugging, networking, or integration purposes. This article will guide you through the steps to retrieve the internal IP address of a Docker container using different methods.

Bash Scripting: Understanding the Use of Parentheses, Brackets, and Braces

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 13, 2024 8:10 AM CST)
  • Story Type: Tutorial; Groups: Linux
In this tutorial, we will explore the various uses of parentheses, brackets, and braces in BASH scripting. These symbols have distinct functionalities and are crucial for writing effective scripts. Understanding their uses can help you in tasks such as arithmetic operations, test constructs, and parameter expansions.

Using sed and Bash to Fill Empty Cells in a CSV File

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 12, 2024 1:11 AM CST)
  • Story Type: Tutorial; Groups: Linux
Dealing with CSV files containing empty cells can be challenging, especially when trying to process or analyze data programmatically. In this article, we will explore how to use Bash and the powerful text stream editor sed to fill these empty cells efficiently. This approach ensures that your data is complete and ready for further manipulation or analysis.

Internal vs External Linux Shell Commands

  • linuxconfig.org; By Lubos Rendek (Posted by linuxer on Jun 10, 2024 12:48 AM CST)
  • Story Type: Tutorial; Groups: Linux, LPI
Linux commands are an essential part of managing and operating Linux systems, providing users with the ability to perform a wide range of tasks from file manipulation to system monitoring. These commands can be categorized into two types: internal and external commands. Internal commands are built into the shell itself, enabling quick execution without the need for external binaries. In contrast, external commands are separate executable files located in the system’s file hierarchy.

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