Tag: Linux
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![Failed to establish a new connection: [Errno -3] Temporary failure in name resolution](https://www.atulhost.com/wp-content/uploads/2019/08/linux-300x169.jpg)
Failed to establish a new connection: [Errno -3] Temporary failure in name resolution
Python scripts may face issues when specific requirements don’t meet at runtime. In this article, We’ll see “Failed to establish a new connection: [Errno -3] Temporary failure in name resolution”. Just by looking at the error message, it seems more like a DNS failure or hostname issue (not propagated globally yet). But it is different […]
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Sudo: command not found
Many newbie may panic in this error when they try to ssh into a new server via command line or when they are trying CLI (Command Line Interface) for the first time. -bash: sudo: command not found Let’s see what is this and how to fix it. What is this error? The system is prompting […]
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Why is Linux so dominant in servers and supercomputers?
We all know Linux failed badly in desktop market but it is leading on the other hand in servers and supercomputers. As new age kids are getting smarter they too start to adopt Linux as their primary operating system. How come Linux is so dominant in servers? Linux is an open source software that means […]
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Installing MariaDB and secure it on Debian
MariaDB is one of the best relational databases and we can use it on Debian Linux to host databases for apps, blogs, and websites. In this article we’ll learn installing MariaDB and securing it on Debian. 1. Refresh the system once. sudo apt update 2. Install MariaDB server. sudo apt install mariadb-server 3. Secure it. […]
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Installing Nginx from source on Debian
Installing Nginx on Debian is easy, but that may be outdated. Since Debian is stable Linux distribution, we cannot blame them for this. That’s why we are going to install Nginx from source on Debian. 1. Refresh the Debian system once. sudo apt update 2. Installing needed packages. sudo apt install curl gnupg2 ca-certificates lsb-release […]
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Installing latest PHP on Debian
Debian Linux distribution is stable so it is common that most packages it shipped with will be not latest and that’s the reason we’ll be installing latest PHP on Debian. See how: 1. Update the system once. sudo apt update 2. Install needed packages. sudo apt install apt-transport-https lsb-release ca-certificates curl -y 3. Using deb.sury.org […]
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Installing Let’s Encrypt SSL/TLS Certificate on Debian running Nginx
Using Debian Linux and Nginx web server to manage your applications and websites, now it is easy to install free SSL/TLS certificates as Let’s Encrypt enabled us to make website HTTPS enabled. We will be using certbot tool to get all our work easy. 1. SSH into the server and update it once. SSH into […]
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Linux vs. Windows servers – which one should I choose?
Imagine that you are a talented chef who prepares and sells meals in a tiny kitchen at home. You have several pots and pans, and you always get the job done on time, but after a few months, your home business has taken off, and now you need some extra and bigger kitchen stuff. A […]
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How to disable or enable OS Prober from the Grub?
Linux has an OS Prober feature that allows us to choose other operating systems installed in the system using Grub. By default on the latest version of Linux, it’s disabled; on the earlier versions, it’s enabled. In this article, I’ll show you how to disable or enable OS Prober from the Grub in Linux (Debian/Ubuntu). […]
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How to install Nginx on Fedora?
Nginx is an open-source web server (free HTTP Server software), in addition to its HTTP Server capabilities, it can also function as a Proxy Server for email (IMAP, POP3, and SMTP) and a Reverse Proxy and Load Balancer for HTTP, TCP, and UDP Servers. As of today, Nginx has been used by far more than […]
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How to search files by extension in Linux?
Want to search files using a file extensions like: *.css, *.js, *.php, *.txt, or *.zip etc. in Linux. Use the following command. sudo find /home/user/Documents -type f -name “*.css” Let’s understand the above command. sudo enables administrative access. find is a find, query, or search instruction. /home/user/Documents is working directory or a directory where you […]
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How to clean the Linux system?
No matter what Linux system or distribution you use, over time it is going to fill with lots of files like unnecessary caches, dependencies, and temporary files. It may happen often if you have a habit of trying out new or alternative applications every day. You’ll be surprised to know that major Linux users do […]