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Articles on Trending Technologies
Technical articles with clear explanations and examples
Autojump – An Advanced ‘cd’ Command to Quickly Navigate Linux Filesystem
As a Linux user, you probably find yourself navigating through your file system on a regular basis. Whether you're moving between directories to run commands or searching for specific files, you may have found that using the cd command can become cumbersome and time-consuming, especially if you have to navigate through multiple directories. Fortunately, there's a solution: Autojump. What is Autojump? Autojump is a smart command-line tool that allows you to quickly and easily navigate through your file system by learning your most frequently used directories. It's an intelligent alternative to the standard cd command, and it's especially ...
Read MoreWorking with the AWS CLI for EC2
The AWS CLI (Amazon Web Services Command Line Interface) is a powerful tool that enables users to manage AWS services, including EC2 (Elastic Compute Cloud) instances, directly from the command line. This unified tool provides an efficient way to automate cloud infrastructure management tasks and streamline operations without using the AWS Management Console. The AWS CLI allows users to automate complex tasks, manage EC2 instances programmatically, and integrate AWS operations into scripts and workflows. This makes it an essential tool for DevOps professionals and system administrators working with AWS infrastructure. Setting Up AWS CLI Before using the ...
Read MoreMounting a volume inside docker container
Docker volumes provide a way to create shared storage that persists beyond the lifecycle of individual containers. When you have multiple containers that need to share common files, mounting a volume allows all containers to access and modify the same data from a centralized location. This approach is particularly useful in microservices architectures where different containers handle different parts of an application but need to share configuration files, logs, or data files. By mounting a volume to multiple containers, you create a shared filesystem that remains available even when individual containers are stopped or removed. Creating and Managing ...
Read MoreHow to Install & Setup a Mumble Server {Murmur} on Linux CentOS 7
Mumble is an open-source, low-latency, high-quality voice chat software primarily designed for online gaming communities. It provides a secure, reliable, and scalable communication system for users. Mumble has two components: the client software that users install on their machines, and the server software (called Murmur) that runs on a dedicated server. This tutorial covers how to install and configure a Mumble server on Linux CentOS 7. Prerequisites Before starting the installation process, ensure the following requirements are met: A Linux CentOS 7 server with root access An SSH client such as PuTTY or Terminal A non-root ...
Read MoreWhat is an application and system program?
Application programs and system programs are two fundamental types of software that serve different purposes in a computer system. Application programs are designed for end-users to perform specific tasks, while system programs manage and control the computer's hardware and provide services to other software. Application Program Application programs are software designed for end-users to accomplish specific tasks or solve particular problems. These programs provide a direct interface between the user and the computer system, allowing users to perform activities like word processing, web browsing, gaming, or multimedia editing. Application programs are loaded into the system based on ...
Read MoreExclude grep From ps Results on Linux
The ps command in Linux displays information about running processes on a system. It provides a snapshot of current processes, including process ID (PID), user ownership, CPU and memory usage, and the command that started the process. When using ps with grep to filter processes, the grep command itself often appears in the results, which can be unwanted. Common Problem with ps and grep When searching for specific processes using ps | grep, the grep command itself appears in the output because it's also a running process at that moment: $ ps aux | grep ssh ...
Read MoreCopy Files from Docker Container to Local Machine
If you are working on a project that requires frequent copying of files and folders either from container to your local machine or from the local machine to the container, Docker provides an easy and simple way to do that. If you have already built a Docker image which is of large size and contains a large number of files and in the midst of the project you want to copy files to and from the container, it's highly inefficient to put the files in the Docker build context and build images repeatedly. Instead, Docker allows easy copying of files ...
Read MoreAutomate RHEL 7 Installation Using ‘Kickstart’
Red Hat Enterprise Linux 7 (RHEL 7) is a popular operating system used in many enterprise environments. As a system administrator, automating the installation process of RHEL 7 can be very beneficial. Automating installation saves time and reduces the risk of human error. Kickstart is a tool that can be used to automate the installation process of RHEL 7. In this article, we will look at how to use Kickstart to automate RHEL 7 installations. What is Kickstart? Kickstart is a tool used to automate the installation process of RHEL 7. With Kickstart, you can create a script ...
Read MoreWhat are Good and Bad Interface Designs?
Generally, an interface acts as a shared boundary across two or more separate components of a computer system that are used to exchange information. Those exchanges can be between software, computer hardware, peripheral devices, humans and computers. Interface design is crucial in operating systems as it determines how users interact with system resources and applications. Interface design directly impacts system usability, efficiency, and user satisfaction. A well-designed interface reduces cognitive load and allows users to accomplish tasks with minimal effort, while a poorly designed interface can lead to errors, frustration, and decreased productivity. Good Interface Design Good ...
Read MoreLearn Why 'less' is Faster Than 'more' Command for Effective File Navigation
The more and less commands are essential pagers used to view text file contents one screen at a time. While both serve similar purposes, less offers superior functionality and performance compared to more, making it the preferred choice for file navigation in Unix-like systems. Understanding the 'more' Command The more command is a basic pager that displays file contents sequentially, originally allowing only forward navigation. Modern implementations support limited backward movement. Basic Usage $ more /var/log/dpkg.log 2016-12-02 11:30:45 startup archives unpack 2016-12-02 11:30:45 install python-ptyprocess:all 0.5-1 2016-12-02 11:30:45 status half-installed python-ptyprocess:all ...
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