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Operating Systems News
Dev
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How to Set Up OpenShift Local (CRC) on Ubuntu: A Developer's Guide
- Red Hat's CodeReady Containers (CRC) is a lightweight, local OpenShift 4 cluster for development and testing.
- This guide explains how to set up CRC on Ubuntu, including system requirements and step-by-step instructions.
- It covers preparing the system, installing dependencies, downloading and installing CRC, and starting the cluster.
- Tips for better performance and common issues with their solutions are also provided.
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Ubuntu Handbook
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Change the Priority of PPAs or Apt Package Repositories in Ubuntu
- This guide provides step-by-step instructions on how to set the priority of packages, PPAs, and apt repositories in Ubuntu and its derivatives like Debian and Linux Mint.
- To start, you need to identify the key attribute of the target repository by running the 'apt policy' command in the terminal.
- After identifying the attribute, you can create or edit a config file in the /etc/apt/preferences.d directory to set the desired priority for packages from the repository.
- Finally, you can apply the changes by running 'sudo apt update' and verify the priority using the 'apt policy' command.
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TechViral
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Image Credit: TechViral
How to Enable Administrator Account on Windows 11
- To run all programs with administrative rights on Windows 11, you can enable the Administrator account.
- Activating the Administrator account helps bypass annoying prompts for administrative privileges.
- There are three methods to enable the Administrator account: through Local User and Groups, Command Prompt, and PowerShell.
- To disable the Administrator account, the same methods can be used with different commands.
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Dev
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103
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Ergonomic Pyhon Text Piping Solution for Linux Shell with pypyp and uv
- pypyp is a linux text piping solution with pypyp and uv that allows easy reuse of Python knowledge and packages without learning awk, sed, and grep.
- Compared to awk, Python is a more general-purpose programming language and using pypyp allows you to leverage the power of Python for text processing in the Linux shell.
- pypyp is a simple Python script that replaces awk, sed, and grep with the 'pyp' command, enabling you to use Python for text processing.
- The usage of pypyp can be enhanced with the use of 'uv', a tool similar to cargo or npm for Python, making it easy to install third-party packages and improve functionality.
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Dev
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401
Image Credit: Dev
Configure monit services in AL2023
- Monit is a free, open-source process supervision tool for Unix and Linux that supervises system status from the command line or its web server.
- It monitors system processes, resources usage and file/directory changes, restarts failed services automatically, and alerts users via email or other methods.
- Monit provides more granular control for monitoring services like web servers, databases, and other background processes.
- Using Monit on AWS EC2 allows monitoring services like nginx, apache, MySQL, PostgreSQL, and other background processes. You can customize thresholds for resource usage, and receive alerts for failures.
- For installing Monit on EC2, a suitable AMI (Amazon Linux 2, Ubuntu, etc.) should be chosen, EC2 instance launched, and SSH initiated into the instance.
- Follow the steps to install Monit on your EC2 instance using your system's package manager, or create an RPM package for CentOS/RHEL/Fedora from the source code directly using rpmbuild.
- Monit executes various optional commands such as starting, stopping or restarting services, enabling or disabling monitoring, reinitializing Monit, validating, checking process matching patterns, and more.
- To validate that Monit is functioning as expected, you need to test it by following the commands, and enable logging to troubleshoot and identify any issues.
- After setting up Monit, it helps automate overall EC2 instance maintenance, keep services running smoothly, and maintain high system availability and operational efficiency.
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Ubuntu
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Stéphane Graber: Incus in 2024 and beyond!
- Incus project had a busy 2024 with 12 feature releases, 1 LTS release, and 3 LTS bugfix releases.
- Incus 6.0 LTS was released in April 2024, which now represents around half the Incus user base.
- Notable feature additions such as OCI support, clustered LVM storage backend, network integrations, and automatic cluster re-balancing were made in 2024.
- Several performance issues were addressed and resolved in large Incus systems, especially systems with multiple NUMA nodes.
- Incus is now readily available on several Linux distributions, and available as a Docker container to run on most other platforms.
- Incus OS, a fully immutable OS image to solely focus on running Incus, is in the works and will be ready for early adopters in a few weeks.
- The year 2024 was a good one for Incus and its community with releases, improved performance, and easier deployment options.
- In 2025, the potential lies in continued improvement of Incus, expansion of supporting projects like incus-deploy, and launching of Incus OS.
- Funding from the Sovereign Tech Fund will support various Incus-related projects aimed at critical and essential work for the project.
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Dev
7d
33
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Windows dotted paths
- Windows (or NTFS) does not allow filenames with trailing dots.
- The dot is a separator between the base filename and the extension.
- Creating a git repository with filenames ending in dots results in errors.
- These errors likely come from Git itself.
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Dev
7d
290
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What is Gliimly Application Server
- Gliimly application is built as both an application server and a command-line program.
- An application server is a set of background resident processes that can be contacted via socket with a request and provide a reply.
- Gliimly application server uses FastCGI protocol over TCP, a fast binary multiplexing protocol built for performance.
- A Gliimly server process can serve an unlimited number of requests without needing to be restarted or spawning new processes.
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Medium
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344
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Dotfiles: The Secret Weapon for Effortless Configuration Management
- Dotfiles are configuration files that allow you to customize your environment
- Move your existing configuration files into a dotfiles repository and create symlinks
- Tools like Git and Stow can help you manage dotfiles efficiently
- Using a setup script, you can configure a new machine quickly
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UbuntuBuzz
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KDE Connect: How To Integrate Kubuntu Laptop and Android Phone
- KDE Connect is a built-in application in Kubuntu that allows integration between a Kubuntu laptop and an Android phone.
- To prepare the Android phone: install KDE Connect from F-Droid or Play Store, enable WiFi and connect to a local hotspot.
- To prepare the Kubuntu laptop: open KDE Connect from the system tray or start menu, select the phone name and pair it.
- To test KDE Connect: on the laptop, send a file to the phone using Dolphin file explorer, or on the phone, send a file to the laptop using KDE Connect.
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Ubuntu Handbook
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Refine – New Graphical Configuration Tool for GNOME Desktop
- Refine is a new graphical configuration tool for GNOME Desktop.
- It allows advanced settings tweaking for Linux with GNOME using GTK4 + LibAdwaita.
- Refine includes unique features like a Light Style toggle and experimental options.
- The tool is available as a Flatpak package and can be installed on Fedora, Arch, and Manjaro Linux.
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Medium
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195
Image Credit: Medium
The Ultimate Windows Privacy and Security Guide: A Must-Read for Every User
- The Ultimate Windows Privacy and Security Guide: A Must-Read for Every User
- The guide divides privacy measures into three zones, with each zone offering different levels of protection.
- Keeping your system up-to-date and avoiding software from untrusted websites are simple yet effective ways to protect yourself.
- Implementing encryption, using a VPN, and reducing the system's attack surface are recommended for enhanced security.
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TechViral
7d
363
Image Credit: TechViral
How To Backup and Restore Registry Settings in Windows
- Most of the popular software that you use today alters the registry values and sometimes create problems with the Registry.
- Here are three methods to backup and restore Windows registry settings: using System Restore Point, creating registry backup by importing settings, and using third-party tools.
- System Restore Point method involves creating a backup point to revert system settings.
- Creating registry backup by importing settings allows for creating a zip file that can be saved and easily restored whenever needed.
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Stackexchange
1w
325
Image Credit: Stackexchange
Problems "reproducible" building bitcoin-wallet git on Windows
- The user has been facing issues while attempting to build the bitcoin-wallet repository on GitHub.
- Despite using the correct versions of plugins, Gradle, Java, Android Studio, and other requirements, they have been unable to build the project successfully.
- The repository claims to have a reproducible build, but the user has not been able to replicate it.
- The user is questioning whether the failure to build is due to using Windows instead of Ubuntu, as the README mentions Ubuntu as an assumption.
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Stackexchange
1w
409
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Problems w/ "reproducible" build on Windows: bitcoin-wallet git
- The user is experiencing difficulties in building the bitcoin-wallet repository on Windows.
- They have been unable to achieve a repeatable and reproducible build.
- The user is using Android Studio Arctic Fox on Windows 11 and has ensured the correct versions of plugins, Gradle, Java, Android Studio, etc.
- They have tried different build.gradle configurations, compileSDK, but have not been successful.
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