Encountering a “Permission denied (publickey, …)” error when attempting to connect to a remote server via SSH using key-based authentication is a frequent challenge. (more…)
By Hardik Shah – Selenium is one of the most widely used tools for testing web-based applications. It is an easy-to-use test automation tool with all kinds of testing functionality to deliver high-quality applications. (more…)
Google Colaboratory (Colab) provides a powerful environment for running Python code, particularly for machine learning tasks. However, developers often encounter session disconnections, which can disrupt long-running processes. (more…)
If you’ve recently switched to Ubuntu or another Snap-supporting Linux distribution, you might encounter an error when trying to update the Snap Store application. (more…)
As Linux administrators, securing our systems and networks is one of our most critical responsibilities. Firewalls serve as the cornerstone of that security, and in the Linux ecosystem, iptables, ip6tables, (more…)
Have you ever been working in your Ubuntu terminal when suddenly that jarring error sound interrupts your flow? Those system alert sounds might be useful sometimes, (more…)
Managing users and groups effectively is one of the most fundamental skills for any Linux system administrator. Whether securing a production server, organizing access rights for a development team, (more…)
If you plan to compile software from source code on Ubuntu (which is common for developers and system administrators), you’ll need the build-essential package. (more…)
This guide addresses common OpenVPN DNS troubleshooting Ubuntu 18.04 issues, where a successful VPN connection does not guarantee proper DNS resolution. (more…)
Linux offers various methods for installing applications and programs. Advanced users may opt to download source code directly from developer websites and compile it on their systems. (more…)