Tux Machines

today's howtos

Posted by Roy Schestowitz on Jun 01, 2023

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Major Hayden: Launch a watchtower container via podman quadlets

=> ↺ Major Hayden: Launch a watchtower container via podman quadlets

Podman’s new quadlet feature lets you specify container launch configuration via simple systemd-like unit files. 📦

System administration's long slow march to configuration automation

=> ↺ System administration's long slow march to configuration automation

So my more nuanced view is that we've wound up in a situation where the appeal of automating system setup and operation is obvious and widely accepted, but the implementation of it still isn't. And where the implementation is widely accepted it's partly because people are using larger scale systems that don't give them a choice, like more or less immutable containers that must be built by automation and deployed through systems.

DNSSEC failures are how you get people to disable DNSSEC

=> ↺ DNSSEC failures are how you get people to disable DNSSEC

Some people are required to operating DNSSEC validating resolvers, and others are strongly committed to it (and are so far willing to pay the costs of doing so in staff time, people's complaints, and so on). But other people are not so committed and so the more big DNSSEC failures there are, the more of them are going to solve the problem once and for all by dropping out. And then DNSSEC becomes that much harder to adopt widely even if you think it's a good idea.

How to Fix SSH Client_loop: send disconnect: Broken pipe Error

=> ↺ How to Fix SSH Client_loop: send disconnect: Broken pipe Error

SSH, an acronym for Secure Shell, is a remote network protocol that is used to securely connect to remote devices such as servers and network devices over a TCP/IP network.
It is a cryptographic network protocol that provides strong encryption technologies and hashing to secure communication between two devices on a network.

How to Lock and Unlock User After Failed SSH Logins

=> ↺ How to Lock and Unlock User After Failed SSH Logins

SSH security is a top priority when setting up your server. The default SSH settings are usually not robust enough to safeguard your server from external attacks.
Therefore, additional tweaks are needed to provide a decent amount of security from brute-force attacks. One of these is implementing fail2ban to keep off unauthorized users after a certain number of incorrect log attempts. Similarly, you can leverage the pam_faillock module to implement an account lockout policy.

Delete All Files of a Directory in Linux

=> ↺ Delete All Files of a Directory in Linux

At times you'll need to delete all the files of a directory. Not the directory itself but the contents of the directory. You could do it to clean up a project, free up space or for any other purpose.

How To Safely Remove Linux From Dual Boot Windows

=> ↺ How To Safely Remove Linux From Dual Boot Windows

Are you looking to uninstall Linux from your dual-boot Windows system? If you no longer require Linux on your computer and want to remove it from your dual-boot setup, you've come to the right place. In this article, we will guide you through the step-by-step process to remove Linux from a dual boot configuration on your Windows computer. Whether you're a beginner or an experienced user, we'll provide you with easy-to-follow instructions to ensure a smooth uninstallation process.

How to Install TYPO3 CMS on Rocky Linux 9

=> ↺ How to Install TYPO3 CMS on Rocky Linux 9

TYPO3 is a free and open-source Enterprise-grade content management system. In this guide, you will install TYPO3 CMS - Enterprise-grade Content Management System - on Rocky Linux 9 server.

How to Setup SSH Keys on Ubuntu 20.04

=> ↺ How to Setup SSH Keys on Ubuntu 20.04

SSH keys provide a secure way for logging to a server with private and public key-based authentications.

How to Prepare for a Hot Summer

=> ↺ How to Prepare for a Hot Summer

Experts are predicting a warmer-than-usual summer for many Americans.

How to kill process by port

=> ↺ How to kill process by port

How to ZIP file with password on Linux

=> ↺ How to ZIP file with password on Linux

How to show software/package installation date

=> ↺ How to show software/package installation date

How to say YES to ALL with rm command

=> ↺ How to say YES to ALL with rm command

Use Samsung Odin on Linux via Windows VM [Tutorial]

=> ↺ Use Samsung Odin on Linux via Windows VM [Tutorial]

Odin is the official tool by Samsung to flash its Galaxy line of smartphones and tablets. Unfortunately, the tool is available for Windows only. However, you can still flash your Samsung phone on Linux using Odin on Windows VM via a virtual machine named VirtualBox.

How To Install Fail2ban on Fedora 38

=> ↺ How To Install Fail2ban on Fedora 38

In this tutorial, we will show you how to install Fail2ban on Fedora 38. For those of you who didn’t know, Fail2ban is a log-parsing application that scans log files for specific patterns and bans IP addresses that exhibit suspicious behavior.

How to Install and Start an SSH Server in Fedora 38 and Later

=> ↺ How to Install and Start an SSH Server in Fedora 38 and Later

There is no need to install an SSH server on Fedora 38, and later you just need to enable and start the service by following the steps below.

Completely Uninstall Mysql Server in 3 Simple Steps

=> ↺ Completely Uninstall Mysql Server in 3 Simple Steps

Having problems while installing mysql-server? Check this guide to completely uninstall mysql-server and reinstall MySQL on Ubuntu. It's quite common for developers to get some problems while installing MySQL, and it's a wise thought to reinstall MySQL, but the problem is that MySQL doesn't get removed very easily from the system.

Convert text to ASCII art on Linux Terminal

=> ↺ Convert text to ASCII art on Linux Terminal

In this tutorial, you will learn how to convert normal tex to ASCII art on your terminal on Linux.
There are many apps on Linux that use ASCII art to display the app name on the terminal, or some other type of information, I think displaying the name of the

Is there a TRY CATCH command in Bash?

=> ↺ Is there a TRY CATCH command in Bash?

Bash does not have the try-catch command. A few alternatives like checking exit code, the trap command, and tracing output, can be applied to locate the errors instead.

Linux shutdown commands explained

=> ↺ Linux shutdown commands explained

How To Install Wallabag on Rocky Linux 9

=> ↺ How To Install Wallabag on Rocky Linux 9

In this tutorial, we will show you how to install Wallabag on Rocky Linux 9. Are you tired of losing track of all the articles, news, and blog posts you want to read? Do you find yourself bookmarking endless pages and then forgetting about them?

How to install xfce on Manjaro Linux

=> ↺ How to install xfce on Manjaro Linux

In this tutorial, you will learn how to install xfce desktop environment on Manjaro Linux. If you have downloaded manjaro with another desktop environment installed, there's no need to worry, as xfce can be easy downloaded and installed.

How to Fix Missing Linux Header Error for VMware Workstation Pro

=> ↺ How to Fix Missing Linux Header Error for VMware Workstation Pro

If you are also getting the kernel header X.X.X-X-amd64 was not found, then read this guide to resolve the error with simple steps. I tried to run VMware Workstation to install a secondary operating system to test functionality, but it flagged me an error: "VMware Kernel Module Updater: Kernel header X.X.X-X-amd64 were not found."

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