today's howtos

posted by Roy Schestowitz on Jun 12, 2023

• Troubleshooting Load key ‘~/.ssh/id_rsa.pub’: invalid format

  Secure Shell (SSH) is a secure protocol used in networking to connect to and communicate with remote servers. It uses a pair of cryptographic keys, namely a private key and a public key, which form the basis for the identity of a client or a server.

• A Practical Guide to Disabling SSH Timeout

  As we delve into the world of network administration, we frequently encounter SSH (Secure Shell) for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers. SSH provides robust authentication and secure data communication over insecure channels, making it a favorite among system administrators.

• Quick Way to Upgrade Debian 11 to Debian 12

  Are you looking for a quick way to upgrade Debian 11 to Debian 12?

• How To Install Nvidia CUDA on Debian 11

  In this tutorial, we will show you how to install Nvidia CUDA on Debian 11. In the world of high-performance computing, NVIDIA CUDA has emerged as a powerful framework that leverages the parallel computing capabilities of NVIDIA GPUs.

• Downloading APT Package Dependencies Without Installing Them

  In the world of Debian-based Linux distributions, the Advanced Package Tool (APT) is the go-to package management system. It automates the retrieval, configuration, and installation of software packages on Linux systems. However, there may be times when you need to download all package dependencies without actually installing them.

• Downloading DNF Package Dependencies Without Installing Them

  When working with Linux, especially Fedora, CentOS, or RHEL distributions, the DNF or "Dandified YUM" is an indispensable tool. DNF is the next-generation version of the Yellowdog Updater, Modified (YUM), a package manager for .rpm systems.

• Alternatives to popular CLI tools: uniq

  We explore free and open source alternatives to uniq, a venerable utility that reports or omits repeated lines.

• 2 ways install Element Desktop Client on Ubuntu 22.04 | 20.04

  Introduction: A step-by-step guide showing two ways to install the Element messaging client on Ubuntu 22.04 or 20.04 using the command terminal. Element is an open-source application that uses Matrix protocol for offering an end-to-end encrypted messaging and collaboration platform.

• Alternatives to popular CLI tools: hexdump

  We spotlight alternative tools to hexdump, a utility that displays file contents in hexadecimal, octal, or ascii.

• Deleting Lines with Matching Pattern from a Linux File

  Manipulating files is a fundamental part of mastering Linux, and knowing how to delete lines matching a specific pattern can be especially useful. This can be achieved using several command-line tools, such as grep, sed, and awk.

• How to use Applets in Linux Mint Cinnamon – Linux Mint 21 edition

  Linux Mint is great out of the box, which is why it is so popular among novice Linux users.

• How to Install Htop on Debian 12/11/10

  htop is an open-source, interactive system monitoring tool and process viewer for Unix-like systems. With a user-friendly interface that utilizes colorful text to differentiate different values, it's a visually appealing, dynamic alternative to traditional command-line utilities like "top". Salient Features and Key Differences 1. Comprehensive and Real-Time System Overview 2.

• How to Install Oracle Java 17 on Debian 12/11/10

  Emerging as a significant milestone in the Java landscape, Oracle's Java 17 LTS (Long-Term Support) is the newest addition to Oracle's Java SE platform. As an LTS release, it pledges extended support and stability that enterprise users and developers alike can depend on for years to come.

• How to Install PyCharm on Debian 12/11/10

  Python, a versatile and ubiquitous programming language, necessitates a powerful and user-friendly integrated development environment (IDE) to empower developers to code more effectively. Among the myriad of options available, PyCharm IDE, a product of JetBrains, stands out as a top-tier choice.

• How to Install MariaDB 10.5 on Rocky Linux 9/8

  MariaDB, a renowned name in the world of open-source relational database management systems (RDBMS), has once again made a significant stride with the release of MariaDB 10.5 LTS.

• How to Install WordPress with Docker Compose

  WordPress is the most popular blogging platform in the world. This tutorial will teach you how to install WordPress using Docker/Docker Compose. Using Docker, the process of installing the preferred stack becomes a lot easier. You can use the same configuration to install WordPress quickly on multiple servers. We will also install the phpMyAdmin tool for managing databases along with the Nginx proxy server to serve the site via SSL.

• How to upgrade from Debian 11 to Debian 12

  But now you will learn how to upgrade from Debian 11 to Debian 12. It's simple, but you have to be careful. Upgrading from Debian 11 to Debian 12 Debian 12 comes as always with many new features, thousands of updated packages and revamped desktop environments.

• How to Allow Only SSH Access Using Iptables

  IPTables is a user-space utility program that allows system administrators to configure the packet filter rules of the Linux kernel firewall. One of the typical usages of IPTables is to secure a Linux server by restricting incoming and outgoing traffic.

• Upgrading to Debian 12 from Debian 11: A Step-by-Step Guide

  This step-by-step guide shows you how to safely upgrade to Debian 12 "Bookworm" from Debian 11 "Bullseye" to enjoy the latest features!

• How To Fix HP Printer got Detected, But Not Printing Error In Ubuntu 22.04

  This blog post is for you if you are using HP printer in your Ubuntu 22.04 LTS and unable to print it despite of printer being detected.

• [Quick Fix] HP Printer got Detected, But Not Printing in Ubuntu 22.04

  I got a HP printer that is working good with my Ubuntu laptop. But, in new Ubuntu desktop PC, it does nothing when trying to print anything. The printer is automatically detected and added in the settings page, and shown in the Document Viewer's Print dialog.