There are three categories of ports in a Linux system: Well-known ports: These are the ports that are reserved for specific services and are assigned by the Internet Assigned Numbers Authority (IANA). Some examples of well-known ports are 22 for SSH, 80 for HTTP, and 443 for HTTPS. Registered ports: These are the ports that are registered with the IANA for specific purposes but are not reserved for specific services....

Step 1 – Prerequisites Login to Ubuntu 18.04 server console via SSH and install some prerequisites packages on the system. Step 2 – Install mod_wsgi Module Before starting, you will need to install some prerequisite Apache components in order to work with mod_wsgi. You can install all the required components by simply running the following command: Now, install mod_wsgi Apache module by running the following command: Restart Apache service to get mod_wsgi to work....

This article will help you to install the Ionic framework command-line utility on Fedora 36/35/34/33 Linux systems. Step 1 – Install Node.js Ionic required Nodejs to be installed on your system. The systems that don’t have installed Nodejs use the following commands to install the Node.js 14.x version on your system. You can visit our tutorial to install latest Node.js on Fedora systems. Step 2 – Install Cordova After installing nodejs, run the following command to install Cordova on your system using the npm command....

You can install Java based on your requirements. As an example, to run a java application you only need to install JRE (Java Runtime Environment) but for the development system, you need the JDK (Java Development Kit). You can either install OpenJDK or Oracle Java on your system. This tutorial covers both options for you. Installing OpenJDK OpenJDK is an open source implementation of the Java Platform standard edition. You can install it directly from the default repository on Debian 9 system....

Laravel requirements Apache MySQL/MariaDB PHP >= 7.1.3 OpenSSL PHP Extension PDO PHP Extension Mbstring PHP Extension Tokenizer PHP Extension XML PHP Extension Step 1 – Prerequsiteis You need to install the recommended PHP version with the required modules before starting the Laravel installation. The system has already running LAMP stack skip this step else use the following commands to set up the lamp on Debian 10 system. Install PHP 7 Install Apache2 Install MySQL Install PHP Composer The composer is required for installing Laravel dependencies....

Redis server is available under the default package repository on most popular Linux platforms. If you don’t want to compile Redis from source code. You can use one of the below tutorials to install Redis using the package manager. How to Install Redis on Ubuntu using Apt-Get How to Install Redis on CentOS using Yum Install Redis on Linux VPS Redis only required GCC and GLIBC packages to build from Source....

Step 1 – Prerequsities Use the following command to install prerequisites for Python before proceeding to the next steps. Step 2 – Download Python 3.6 Download Python using following command from python official site. You can also download the latest version in place of specified below. Now extract the downloaded package. Step 3 – Compile Python Source Now use below set of commands to compile Python source code on your system....

Prerequisites A running Ubuntu 20.04 system with shell access of root or sudo privileged account access. Installing Java You must have Java installed on your system to run the tomcat server. Tomcat 9 is required to have Java 8 or a higher version installed on your system. Use the following command to install OpenJDK on your system or skip if already installed. Check the current active Java version: Create A Tomcat Account We recommend creating a separate user account to run the tomcat web server on the Ubuntu system....

The zoom client allows you to join meeting without signing in to the application. To start a new meeting, you would be required to log in to the application. Visit zoom.us to create account. This tutorial will help you to install the Zoom client on a Fedora Linux system. Prerequisites A running Fedora Desktop system with sudo privileged account access. Step 1 – Install Zoom Client on Fedora Zoom client package is available in rpm format....

Install Apache with PHP-FPM/FastCGI on Ubuntu This tutorial will help you to set up Apache webserver with PHP and FastCGI on RedHat based systems. Step 1 – Prerequsitis Fast of all, enable REMI and EPEL yum repositories on your system. These repositories provide the lastest packages for RedHat based systems. Enable EPEL and REMI Repository Step 2 – Install Apache2 Apache2 packages are available with the name HTTPD for Redhat based systems....

Whome to Upgrade? The Ubuntu desktop users can upgrade to the latest version immediately. But the Ubuntu server users, especially the production server recommended waiting for a few months before the upgrade to Ubuntu 20.04 LTS. Step 1 – Backup Your Data Before starting the upgrade, this is strongly recommended to backup all your data from the Ubuntu desktop or server to a remote location. Also, take a complete system snapshot (if possible)....

Solution: It looks issue is due to older version of phpMyAdmin. The version of phpMyAdmin is older before the release of PHP 7.3 and it not properly compatible with that. In order to resolve, we recommend to upgrade the phpMyAdmin version. But you can make changes in sql.lib.php to temporarily resolve this error. All done. The error message should disappear now.

macOS – /Users/{username}/.m2/repository Linux – /home/{username}/.m2/repository Windows – c:\Users{username}.m2\repository Customize Maven Local Repository The settings.xml is the main configuration file of Maven. It is available for user-level or system-level configurations. Global level: Is available at ${MAVEN_HOME}/conf/settings.xml is applied for all Maven users on the system that share the same installation. User level: Can be found at ${HOME}/.m2/settings.xml. This is the user-specific configuration and overrides the global configuration. To customize the local repository, edit settings....

After more debugging and Google it, I found that the storage/framework directory is missing from deployment. Because the .gitignore file has an entry of storage/framework directory to prevent them from adding code to the git repository and this is normal. Solution: To fix this error, you will need to ensure that the cache directory is writable by the user that is running the Laravel application. You can check the permissions on the cache directory by using the ls -l command to list the contents of the directory....

In this article, we will discuss how to create automated backups for your MongoDB databases using a simple Shell script. Shell Script for MongoDB Backup The shell script for MongoDB database backup is available on Github. You can use the below link to get access of the shell script. https://github.com/tecrahul/shell-scripts/blob/master/backup-mongo.sh Alternatively, You can copy the below script and save it on your Linux system. Run Script Manually Save the above script in a file with ....

What is an APT repository? An APT repository is a collection of software packages that are available for download and installation on a computer running the Ubuntu operating system. The software packages in an APT repository are called packages for historical reasons. A package is one or more files containing the software instructions (source code) and data needed to run that software, along with information about how the package can be installed....

Extract .zip file in Linux This is the most common compression format used by various IT professions on many operating systems. For this you must of unzip binary installed on your system. How to Create Zip Excluding Specific Files & Directories Extract .gz file in Linux Gz files are compressed files created using the Gzip compression utility. In general, GZIP is better compared to ZIP, in terms of compression, especially when compressing a huge number of files....

In case of mysql database migration, you can easily create a dump of database and restore it on target database server. MySQL server provides console utilities to export and import databases. This tutorial help you to export MySQL database using system console. Also helped you to restore database from dump file. Step 1 — Export MySQL Database Use mysqldump command line utility to perform a database backp. Which makes the process more easier to transfer database to other system....

This tutorial helps you to install and configure PHP composer on Debian 10 Buster, Debian 9 Stretch, and Debian 8 Jessie systems. 1. Prerequsities Shell access to a running Debian system with sudo privilege. PHP must be installed and configured, version 5.3 or higher. 2. Install Composer on Debian You can download the composer script from the getcomposer.org website by running the following command. It will create a composer.phar file in the current directory....

This tutorial will help you to install Apache Kafka CentOS 8 or RHEL 8 Linux systems. Prerequisites The newly installed system’s recommended to follow initial server setup. Shell access to the CentOS 8 system with sudo privileges account. Step 1 – Install Java You must have Java installed on your system to run Apache Kafka. You can install OpenJDK on your machine by executing the following command. Also, install some other required tools....