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Prerequisites Launched a CentOS 8 instance on DigitalOcean. Setup a sudo privileged account and apply initial security by following initial server setup Login to instance via SSH as root account Step 1 – Install LAMP Server Roundcube webmail application is written in PHP programming language. It uses MySQL as the database server. So we required to set up a LAMP server on your server. All the packages are available in default repositories, to install them type: Once the installation finished....

This tutorial will help you to how to install Apache Tomcat 10 on Debian 10 Buster Linux system. Prerequisites A running Debian 10 system with sudo privileged account shell access. You can get cheaper instances from DigitalOcean hosting. Step 1 – Install Java Tomcat 10 required JRE 8 or higher version installed on your system. If your system doesn’t have JRE installed, Use the following commands to install OpenJDK to fulfil the requirements....

Apt don’t provide any command to list available package under the specific repository. But you can find the list from a cache file, which contains list of available package to that repository with other details. This tutorial will help you to find all the available packages in a repository on Ubuntu and other Debian based systems. Find Packages Details in Repository Apt keeps all repository cache files under /var/lib/apt/lists directory....

Photo by Now, creativity is subjective. You can customize your desktop according to your preferences. But there is a standard style that keeps changing according to trends and time. And the current standard style is minimalistic and simple. Take any famous logos, interfaces for example. They are all minimalistic and simple in style and look really aesthetic and professional. You can make your desktop look like that too and this article will show you how....

We can also run any custom script as systemd service. It helps the script to start on system boot. This can be helpful for you to run any script which required to run at boot time only or to run always. In our previous tutorial we have provides you instructions to run a Python script using Systemd. This tutorial covers running a shell script as a Systemd service. Step 1 – Create a Shell Script First of all, create a sample shell script, which needs to run at system startup....

Security first should be the thumb rule for any organization to secure your hard-working code from hackers. It becomes more important while traveling application data over public networks. For this situation, we need to implement end-to-end encryption using TLS. This tutorial helps you to issue a new let’s encrypt SSL certificate and configure it with the Tomcat web server. Prerequisites This tutorial doesn’t cover the Tomcat installation. We are assuming that you already have a Tomcat server running on your system....

Ubuntu 20.04 systems uses netplan from the previous LTS system. The desktop systems provide an attractive graphical user interface to work with it. Using the GUI, you can easily change or set a static IP address on your Ubuntu system. Set A Static IP on Ubuntu 20.04 You must have a root or sudo privileged account in the Ubuntu system. Login to your Ubuntu 20.04 Desktop system. After that open settings on your machine as shown in the below screenshot....

We can configure reverse proxy in IIS using URL Rewrite module. This is similar to the mod_rewrite module in Apache. Before starting work make sure you have installed and enabled URL Rewrite module in IIS server. What is URL Rewrite Module? URL Rewrite Module is officially provided by IIS development tool to extend the functionality of IIS web server. It provides additional functionality to rewrite application URL. This helps to make clean and SEO friendly URLs....

Canva.com Issues Some companies like to track what people are doing on their private networks. For instance, Company may wish to know if employees are working or wasting their time on Facebook or YouTube. Other companies like to restrict who can get on their networks. For instance, Company may restrict access to their network to specific employees’ devices. One method of tracking or restricting access to a network is by noting a device’s MAC address and who uses that device....

In this article, we will discuss some best practices for using public wifi safely and securely. Follow these tips and you’ll be able to stay safe while surfing the web on public networks! The Dangers of Using Public WiFi Now before anything else, let’s discuss the dangers of using public wifi. This will help you understand why it’s so important to take extra care when using these types of networks....

So to solve this problem, SSH allows you to set and use the ssh config file for different use-cases. SSH uses a system and custom or user-specific configuration file. You can customize and configure client-side connection options and can store information of every remote server you connect with. In today’s article, we will explain how to use the ssh config file and explain some of the common configuration options. With an SSH config file, you can define and store settings for specific remote machines....

Multiple accounts support Instagram has officially announced its update of multiple accounts support for both Android and iOS. To set multiple accounts go to your profile settings and at the bottom you will see an option ‘add account’. After adding second account you’ll be able to switch between them by tapping Username. Landscape and Portrait orientation Instagram users, photographers can now apply landscape and portrait orientation to their photos however the square frame will still remain default option, but Instagram agreed to the fact that square is not everything....

Fast forward 4 years and we still remember this monumental step forward in Samsung’s mobile strategy. But like other Android manufacturers, Samsung only supported the device for 2 years and the phone was forgotten after Android 7 Nougat. Well the Android community wasn’t gonna let go of the Galaxy S6 that easily. So in came various custom Roms and Mods keeping the device updated. And in those roms LineageOS stood above all else....

With the prevalent usage of USB devices for memory and other options with laptops and other devices comes an expected caveat: do not stick things in your device’s USB drives if you don’t know what they contain. This may seem obvious and something we should know from childhood, but it still needs to be said as it can lead to bad consequences like virus spreading. TikTok user @mryeester did not heed this advice and learned the hard way....

How do we keep finding these new tips and tricks with popular devices that have been around for years? Sometimes it just takes some digging around to discover something novel and share it with the world. It looks like TikTok user @kaansanity did a bit of that with this new how-to submission. This is a really interesting way to edit photos and certainly gives creative minds new opportunities to make new things....

Social media platforms have become a popular way for marketers to promote their products and services. They are able to reach more people by using social media channels such as Facebook, Twitter, Instagram, Pinterest, etc. Benefits of Using Social Media in Your Marketing Strategy Social media is an integral part of marketing strategy for all businesses. It allows companies to engage with their customers and prospects in a way that was not possible before....

Social Media One of the key benefits of taking a break from technology is that it will limit how much time you waste doing things that don’t need to be done. One of the main places in the lives of many people, where they spend a lot of time, is in social media. Although many people still see social media as something to do throughout the day, there is no denying that many people fall into the habit of plugging into their social media from their smartphones first thing in the morning or before they go to sleep at night....

Samba sharing allows multiple systems to share single resources over a network, like sharing a printer reduces hardware cost. Also, share the directory server using samba and mount it on remote systems easily. This tutorial will help you to mount remote samba share to Ubuntu, Debian, or Linux Mint systems. Steps to Mount Samba Share on Ubuntu and Debian This tutorial assumes that you have already shared a directory on the remote system....

In this article, we’ll walk you through how to configure Postfix to send emails from external SMTP servers. What is Postfix Relayhost? Postfix relayhost is a configuration directive that tells Postfix which external SMTP server to use when sending outbound emails. This configuration is necessary when you’re sending emails from your Linux server to external domains. Without a relayhost configured, Postfix won’t be able to send emails to external domains....

On Linux: from pathlib import Path Path("/dir1/dir2/dir3").mkdir(parents=True, exist_ok=True)12from pathlib import PathPath("/dir1/dir2/dir3").mkdir(parents=True, exist_ok=True) On Windows: from pathlib import Path Path(“C:\dir1\dir2\dir3”).mkdir(parents=True, exist_ok=True)12from pathlib import PathPath(“C:\dir1\dir2\dir3”).mkdir(parents=True, exist_ok=True) Here: parents=True: instruct to create parent directories if not available. exist_ok=True: Do not throw an error if a directory already exists. Execute the above Python script and checked for the newly created directory tree.