today's howtos

• Linux 101: How to copy files and directories from the command line

  Are you new to Linux? If so, you've probably found the command line can be a bit intimidating. Don't worry--it is for everyone at the beginning. That's why I'm here to guide you through the process, and today I'm going to show you how to copy files and folders from the command line. Why would you need to copy files and folders this way? You might find yourself on a GUI-less Linux server and need to make a backup of a configuration file or copy a data directory. Trust me, at some point you're going to need to be able to do this. Let's find out how.

• How to install Headless Dropbox on Ubuntu Server

  Dropbox can be termed as cloud-based file storage that makes your files available at any given time as long as you are connected to the internet. A local user accesses files by syncing to Dropbox. This aids to automatically update all removed and added files to your cloud-based storage. Most people are curious to know how the headless Dropbox can be installed on an Ubuntu Server. To learn more, follow the article below for detailed information, including screenshots of how the installation process is done.

• Masterby Books by Michael W Lucas

  Look what was delievered a few days ago! Can’t wait to skill up in both SUDO and PAM modules. Michael W Lucas has written dozens of technical books on some of the most fascinating aspects of systems administration - I’ve read SSH Mastery book in the past and will someday try using FreeBSD for real just because Michael wrote so many books about this wonderful OS.

• Cloud Native Patterns: a free ebook for developers

  Building cloud native applications is a challenging undertaking, especially considering the rapid evolution of cloud native computing. But it’s also very liberating and rewarding. You can develop new patterns and practices where the limitations of hardware dependent models, geography, and size no longer exist. This approach to technology can make cloud application developers more agile and efficient, even as it reduces deployment costs and increases independence from cloud service providers.

• I am TheeMahn

  Let’s say you screw up your sources, Keysnatcher will fix them automatically. Nasup, dont have a NAS No Problemo I just told you use 0 memory. I can make it disable the service, I would not want it adding 6 seconds to your boot time. I have 20 Gigabit Networking and really understand. If you do have a NAS I want that picked up off the rip.

• How to Install and Use the Etcher Tool on Ubuntu

  In most cases, when we’re trying out a new OS, we choose to install it on the main machine, a virtual machine, or to boot alongside another operating system. One of the upsides to using a Linux system is that we can boot using Live media, which makes it possible to test a specific distribution without altering the primary structure. Using bootable media such as USB drives, we can burn an iso image and boot from it or even use it to install the OS. Although there are various ways to create bootable media—UnetBootIn, dd (Unix), Rufus, Disk Utility, etcetera, —having a simple and cross-platform tool can be massively advantageous.

• What is the difference between Paramiko and Netmiko?

  When it comes to networking, there is a wide range of perspectives, and one cannot master how to interact with all the devices in the real world. However, all networking devices share similar functionality that, when mastered, are automatable. As mentioned in my other tutorials, programmers are lazy and always looking to improve efficiency—thus doing the least work —, and when it comes to automating network-related issues, many often jump at the chance. In today’s quick guide, I’ll introduce you to automating SSH using two popular Python libraries: Paramiko and Netmiko. We will create simple python scripts using the two libraries to automate SSH and interact with network devices. I choose this approach because a guide primarily focused on the differences between Paramiko and Netmiko would be too short—a simple table would suffice—and no-concrete. By taking this approach, you’ll be better able to experiment with them and see which does what and how.

• How to Use Unison to Synchronize Files Between Servers

  This tutorial will show you how to set up and use the Unison File synchronization tool on Debian systems. Using Unison, you can sync files between two different disks or directories in the same system or two other systems over the network.

• How to detect the file system type of an unmounted device on Linux

  If you want to store data on a new hard drive or a USB memory stick, what you first need to do is to create a "filesystem" on it. This step is also known as "formating" the drive or the USB stick. A filesystem determines in exactly what format data is organized, stored and accessed on a physical device. It is often necessary to know the type of filesystem created on a hard disk or a USB thumb drive even before mounting it. For example, you may need to explicitly specify filesystem type when mounting a disk device, or have to use a filesystem-specific mount command (e.g., mount.aufs, mount.ntfs).

How to Install yay AUR Helper in Arch Linux [Beginner’s Guide]

This beginner’s guide explains the steps to install the Yay AUR helper in Arch Linux.

Programming Leftovers

• Eclipse OpenJ9 0.24 Released With A Ton Of Improvements - Phoronix

  In addition to Oracle's GraalVM 21.0 being released this week, the Eclipse Foundation has released OpenJ9 v0.24 as the newest feature release for their high performance JVM.

• The 10 most popular programming languages, according to Microsoft-owned GitHub [Ed: Why do some sites still reinforce the bogus idea that only projects that Microsoft controls using an oppressive and proprietary monopoly count or exist?]

• Carlos Garnacho: Threaded input adventures

  Mutter wasn’t always a self-contained compositor toolkit, in the past it used to rely on Clutter and Cogl libraries for all the benefits usually brought by toolkits: Being able to draw things on screen, and being able to receive input. In the rise of Wayland, that reliance on an external toolkit drove many of the design decisions around input management, usually involving adding support in the toolkit, and the necessary hooks so Mutter could use or modify the behavior. It was unavoidable that both sides were involved. Later on, Mutter merged its own copies of Clutter and Cogl, but the API barrier stayed essentially the same at first. Slowly over time, and still ongoing, we’ve been refactoring Mutter so all the code that talks to the underlying layers of your OS lives together in src/backends, taking this code away from Clutter and Cogl.

• Partially-Formed @ Meeting C++ 2021 talk is now online

  We will also show how developers that feel uneasy about the partially-formed state can avoid them at little to no cost, neither in code readability, nor performance, and use these examples to propose a new (or old) paradigm for API design: safe and unsafe functions (in the Sean Parent sense).

• How to implement a DevOps toolchain

  Organizations from all industries and of all sizes strive to deliver quality software solutions faster. This guarantees not only their survival but also success in the global marketplace. DevOps can help them chart an optimal course. DevOps is a system where different processes are supported by tools that work in a connected chain to deliver projects on time and at a lower cost.

First Look at OpenMandriva Lx 4.2 on the Raspberry Pi 4

When OpenMandriva announced the Release Candidate of OpenMandriva Lx 4.2 earlier this month, it revealed the fact that they finished the AArch64 (ARM 64-bit) port. That’s amazing news for OpenMandriva Lx fans who own an ARM64 device like the Raspberry Pi, Pinebook Pro, or even the PinePhone. The even better news is that OpenMandriva provided installable images for various popular devices, such as Raspberry Pi 3 Model B+, Raspberry Pi 4 Model B, Pinebook Pro, PinePhone, and Rock Pi 4C. A generic AArch64 image for UEFI compatible devices, such as various server boards, is also available for download.