Jeff Wilson

An experienced Linux veteran with many years of experience. Helping other Linux admins with frequent Linux and business-related blog posts on the RoseHosting blog. Techie by choice. Loving nature and travel. Happily married and father of two lovely children.

How to Install Python on Ubuntu 24.04

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How to Install Python on Ubuntu 24.04

In this tutorial, we are going to explain how to install Python on Ubuntu 24.04 OS. Python is a high-level programming language that offers hundreds of libraries for building web applications and use in machine learning. It supports multiple programming paradigms such as structural, functional, and object-oriented programming. The Python programming language offers many features such as security updates, frameworks, integration with other programming languages, ease of use, etc. The latest Python version is Python 3.12 at the moment we are writing this tutorial.

The installation will be done with different methods and take a few minutes. Let’s get started!

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How to Fix err_connection_timed_out

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How to fix err_connection_timed_out

Err_connection_timed_out is an error message that appears when your web browser cannot establish a connection with a website you want to navigate within a certain time limit.

When you visit a website, the browser usually gives you around 30 seconds before disconnecting. This is the default value of maximum_exection_time in PHP. If the loading process takes too long to exceed that time, the notification “err_connection_timed_out” will appear, which indicates a problem with your local system, although it’s not always the case.

The error message displayed with this code usually contains different information depending on the browser and operating system.

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How to fix “err_cache_miss”

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How to fix "err_cache_miss"

In this tutorial, we are going to explain how to fix the err_cache_miss web browser error.

Using your web browser daily can lead to unexpected issues that prevent you from accessing the website. There are different types of errors recognizable with code numbers or error messages. There are many actions by the users on the websites such as scrolling, clicking, typing, submitting forms, etc. If you come across this error, you probably tried to submit a form, and the browser is asking to reenter the info from scratch.

In the next paragraphs, we will explain to you what is the err_cache_miss error and how to fix it.

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How to fix “the DNS server is not responding”

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How to Fix DNS Server Isn't Responding

The “DNS Server is Not Responding” error is a common issue that can disrupt your internet browsing experience. DNS (Domain Name System) also known as the phonebook of the internet, is a database that holds the IP addresses and domains that we use to access websites, servers, and other services.

The DNS translates the domains (like www.example.com) into IP addresses that computers use to identify each other on the network. When your computer can’t communicate with the DNS server, you’ll encounter this error. Here’s a guide to help you troubleshoot and fix this issue on Windows, macOS, and routers.

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How to Check Python Version on Linux

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How to Check Python Version on Linux

In this guide, we’ll walk you through various methods to help you check Python version on Linux. Python has become one of the most popular programming languages worldwide, because of its simplicity and the wide range of areas in which it is used such as web frameworks, software development, data analysis, and task automation. However, ensuring you have the correct version of Python installed is crucial to check for compatibility and if you are running the latest version if you are starting a new project.

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How to fix “dns_probe_finished_nxdomain”

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How to fix "dns_probe_finished_nxdomain"

The DNS_PROBE_FINISHED_NXDOMAIN is an issue related to the Domain Name System (DNS). It occurs when the DNS can not connect the website URL to the server IP address. When we enter the domain in our browser, the DNS fails to resolve the domain name. The NXDOMAIN stands for non-existing domain and the cause of this can be DNS misconfiguration, DNS propagation, Firewall, Internet Connection, etc.

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What is the OOM Killer on Linux?

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What is the OOM Killer on Linux?

This tutorial is about the OOM killer and how it can impact our Linux operating system.

OOM killer is a shortcut to Out of Memory Killer and is a Linux component designed to prevent RAM exhaustion. The OOM Killer has one task, and that task is to check if there is enough available memory, and if there is not, then select a process to kill to free up some RAM. The situations with exhausted memory occur because the Linux kernel has over-allocated too much for its processes. In the following paragraphs, we will talk about memory over-allocation, the lifecycle of the OOM killer, how it selects which process should be killed, the OOM killer messages, etc.

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