Author: Rahul

I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..

Eclipse IDE IDE

Eclipse is a powerful IDE for various programming languages. In this how-to guide, we used Eclipse for Java EE developers. You can download Eclipse version required for your and the remaining steps are similar for all. Let’s follow the tutorial to install Eclipse Oxygen 4.8 on Fedora 28,27,26,25 and CentOS 7,6. Step 1 – Prerequisites Eclipse required Java to be installed on your system. Make sure you have proper Java installed. If you don’t have Java installed, Use below link for the JDK/JRE installation on your system. Install Java 8 on CentOS, RHEL, and Fedora Install Java 9 on CentOS,…

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Installing the latest Nvidia drivers on Ubuntu can significantly enhance your computing experience, especially if you’re into gaming, graphic design, or video editing. Not only do the latest drivers improve the performance of your Nvidia graphics card, but they also ensure compatibility with the newest software and games. This guide will walk you through the process step by step, making it easy even for those new to Ubuntu or Linux in general. Prerequisites Before proceeding, ensure that you have: A system running Ubuntu (the steps are applicable to most Ubuntu versions, but it’s recommended to use the latest stable release).…

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DNS (Domain Name System) caching is a technique used by operating systems and applications to store the resolved domain names’ IP addresses, reducing the time it takes to access websites and services. While it can be advantageous in certain situations, you may want to disable local DNS caching on your Ubuntu or Linux Mint system for various reasons, such as troubleshooting DNS issues, ensuring accurate results during development, or enhancing privacy. In this step-by-step guide, we will walk you through the process of disabling local DNS caching on Ubuntu and Linux Mint systems. You can also clear current DNS cache…

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Every blogger and author wants their posts to get indexed as quickly as possible. So their new content will be visible on search engines. Generally, search engines crawlers come to website and index the new content found. But this process takes times. Using the ping services you can inform the search engines that your website have new content, so they can visit your site quickly. How to Increase Search Engine Crawl Rate for Your Website? For static sites, you can use services like Ping-o-Matic to ping the search engines. But this is a manual process. WordPress users can use this…

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Note- This is a continuous updated article till the Linux Mint 19 final release available. Visit this article regularly to get latest updates. Summary The Linux Mint Team has announced the codename “Tara” for upcoming release Linux Mint 19. The new version will be based on Ubuntu 18.04 LTS release. The Linux Mint development team has started working on new release and will available after the release of Ubuntu 18.04 LTS. A comment by Linux Mint team – Mint 18.3 was full of new features. Don’t expect as many in Mint 19. We’ll focus mostly on the base, GTK, possibly…

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Eclipse IDE IDE

This how-to tutorial will help you to install and configure Eclipse IDE for Java Enterprise developers on your Ubuntu and Linuxmint systems. Eclipse provides IDE for various programming languages, testing etc. In this how-to guide, we used Eclipse for Java EE developers. You can download Eclipse version required for your and the remaining steps are similar for all. Let’s follow the tutorial to install Eclipse Oxygen 4.8 Photon R for Java EE developers. Step 1 – Prerequisites Eclipse required Java to be installed on your system. Make sure you have proper Java installed. If you don’t have Java installed, Use…

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While working with the archive files, sometimes you are required to list archive file contents instead of extract an archive file. Using this you can see the files available in an archive file. Read another tutorial with 18 Linux tar command examples List Archive File Contents (Quick Commands) The -t switch is used for list content of a tarball file without extract. Below is the quick commands used to list .tar, .tar.gz, .tar.bz2 and .tar.xz file contents. tar -tvf archive.tar tar -ztvf archive.tar.gz tar -jtvf archive.tar.bz2 tar -Jtvf archive.tar.xz List .tar File Content Use -t switch with tar command to…

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Question – How to Get Current Date Time with PHP? How do I get current date and time in PHP script? PHP Script to get current date and time in Y-m-d H:i:s format? You can use date() function to get current Date and Time in any PHP version. A DateTime PHP class is also available in PHP > 5.2 to get Date and Time. Also find the example to get date and time in JavaScript PHP Date and Time Print the current date and time using date() function. It will use the default timezone configured in php.ini.

Print the…

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The Python subprocess module allows to spawn of new processes, and execute external commands or scripts from the Python scripts. You can install the latest version of Python using these tutorials. Also, there is a number of IDE available for Python. Like Install PyCharm Python IDE on Ubuntu systems. Python Scrpt to Call System Command Let’s create your first program to list all files available in the current directory. You can add any number of command-line parameters with the comm (,) separated.

Where- import statement is used to load the subprocess module form the Python standard library call is…

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Nagios is the most popular monitoring server for infrastructure monitoring. In the series of Nagios monitoring tutorials, this tutorial will help you to monitor Memory, CPU, and Disk on a remote Linux system using Nagios and NRPE. I assume you have a running Nagios server on your network. Prerequisites You have installed the NRPE client on your Linux system. Use the following commands to install NRPE on your system or visit our tutorials for the NRPE installation on Debian based systems and Redhat based systems. Ubuntu and Debian based systems: sudo apt install nagios-nrpe-server Redhat, CentOS systems: sudo dnf install…

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