In this article, we are talking about log analysis and monitoring. We will be covering that when you log analysis what is the correct method? We will be presenting you some methods, tips, and tricks of log analysis. This article will also include what are log files and where are they located in the system. We are using Red Hat Enterprise Linux 9. What are Log Files? A log file stores alerts, events, messages, and other data from applications, operating systems, or devices. Log files provide information based on the actions performed by users, playing an important role in log monitoring and ana ..read more

In this article, we will talk about Linux grep command. Before starting to write the article, let’s see what is grep command. Grep stands for global regular expression print and it is used to search for a particular string/keyword from a file and print the matching line on the terminal. It searches line by line and displays the line where the keyword is present. It is a widely used command. We can use it in log analysis, files, directory searches, etc. Syntax The command has following syntax. grep [option].. keyword [File].. Example 1 Grep is a case-sensitive command. Ali and ali will be two ..read more

This article will cover Linux fundamentals, including the most commonly used commands in a day-to-day job. I’m sure you will feel comfortable at the end of the article and Linux will look easier. All the best, let’s start. Open up the terminal. You will see vboxuser, at the rate sign, linuxmint, and $ sign. Vbox is the currently logged in user, linuxmint is a hostname. $ sign shows vboxuser is a normal user and not admin. # identify the admin or root user. 1. hostname You can check the host name using hostname command. Host name uniquely identifies the machine on the network. hostname 2. w ..read more

If you’re a software developer, you know the importance of a well-programmed API. Hence the importance of API testing cannot be overstated. For both seasoned developers and newcomers to the field, having a reliable tool that simplifies these tasks is indispensable. Meet Postman, it’s a robust API development and testing platform that is known for its user-friendly interface and comprehensive feature set. In this guide, we will navigate through the process of installing Postman on Ubuntu, empowering you to seamlessly integrate this powerful tool into your workflow on the latest Ubuntu 22.04 rel ..read more

Today we are talking about LVM or Logical Volume Manager. We are covering the following topics: 1. What is LVM and its example 2. Advantage of LVM 3. Possibilities of LVM 4. Real-time LVM example 5. Adding new space/disk using LVM 6. Extending the new space using LVM LVM is used to manage volume and disk on the Linux server. Logical Volume Manager allows disks to be combined. Like disk partitions in Windows C, D, and E, we can do the same in Linux. A single disk can be divided into different partitions. If the disk is running out of space, you can add a new disk without breaking partitions of ..read more

Alright, so you’ve got Ubuntu 22.04 fired up on your system, and now you’re eyeing Git – that magic sauce developers sprinkle on their projects. Whether you’re a coding guru or just dipping your toes into the dev world, having Git cozy on your Ubuntu is like having a superhero sidekick for your code adventures. We get it, tech installations can feel like trying to solve a Rubik’s Cube blindfolded, but fear not – we’re breaking it down. In this guide, we’re going to take you by the hand and stroll through the whole “How to Install Git on Ubuntu 22.04” thing. No tech jargon rain, just simple ste ..read more

In the wake of the global COVID-19 pandemic, the way we work and communicate has undergone a significant transformation, with remote collaboration becoming more prevalent than ever. As companies around the world adapted to the new normal, virtual meetings have become an integral part of daily professional life. Among the plethora of video conferencing tools available, Zoom has emerged as a frontrunner, offering a seamless and user-friendly platform for remote communication. If you’re switching to Ubuntu for work or if you’re just exploring the operating system, Zoom offers a robust and reliabl ..read more

In the ever-evolving landscape of Linux distributions, Ubuntu stands as a beacon of user-friendly functionality and versatility. As the community awaits the release of the next LTS version, each day system admins and enthusiasts alike are drawn to the plethora of opportunities promised. One of the most basic and commonly overlooked aspect of system customization is the ability to change the hostname in Ubuntu. In this guide, we will look at multiple ways you can change hostname in Ubuntu along with the reasons you might need to do this. Whether just for showing your personality on the network ..read more

Node.js is a popular open-source, cross-platform JavaScript runtime environment that lets developers build fast and scalable web applications. If you’re an aspiring developer or seasoned professional looking to leverage the power of Node.js on your Ubuntu 22.04 system, this comprehensive guide is for you! In this tutorial, we’ll walk you through the step-by-step process to install Node.js on Ubuntu 22.04, ensuring you have the necessary tools to kickstart your web development journey. Why Node.js? Before diving into the installation process, let’s explore why Node.js has become a developer’s f ..read more

Hi Folks, today we are discussing an important topic. If you have hundred of servers in your network, checking log of each machine is complex and lengthy process. A syslog server is used for this purpose which centralizes the log of different servers. In this tutorial, we are demonstrating the installation and configuration of rsyslog server on Red Hat Enterprise Linux 9. Prerequisites Two RHEL 9 machines (server and client) Root account or an account with sudo privileges Server and machine are on the same network and they can ping each other Install rsyslog packages on server machine Fire u ..read more