today's howtos
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University of Toronto ☛ What Prometheus exporters we use (as of the end of 2023)
We have a fairly basic and straightforward Prometheus and Grafana setup, but over time we've drifted into using a number of Prometheus exporters, which is the Prometheus term for things that provide or generate metrics. Today I feel like listing them off as a snapshot of our current practices and what we've found useful in our particular and somewhat peculiar environment.
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TecMint ☛ How to Backup and Restore VMs in Proxmox
Take a look at our earlier tutorials on Proxmox.
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TecMint ☛ 5 GUI Tools to Free Up Space on Debian, Ubuntu and Linux Mint
This happens particularly during the installation of software packages. During installation, these files are typically cached in the /var/cache/ directory before installation just in case you need to install them again.
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Hackaday ☛ Linux Fu: Where’s That Darn File?
Disk storage has exploded in the last 40 years. These days, even a terabyte drive is considered small. There is one downside, though. The more stuff you have, the harder it is to find it. Linux provides numerous tools to find files when you can’t remember their name. Each has plusses and minuses, and choosing between them is often difficult.
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idroot
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ID Root ☛ How To Install Cockpit on Manjaro
In this tutorial, we will show you how to install Cockpit on Manjaro. Cockpit is more than just a server administration tool. It’s a modern, intuitive interface that allows you to manage multiple servers from a single dashboard.
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ID Root ☛ How To Install Pritunl on Debian 12
In this tutorial, we will show you how to install Pritunl on Debian 12. A VPN (Virtual Private Network) allows you to create a secure encrypted connection over the public internet. This is important for protecting your privacy and data when using public Wi-Fi or accessing your private home or company network resources remotely.
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ID Root ☛ Setserial Command on GNU/Linux with Examples
In the world of Linux, the setserial command is a powerful tool designed to set and/or report the configuration information associated with a serial port. This command is particularly useful for system administrators and developers who need to manage and troubleshoot serial devices on a GNU/Linux system.
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ID Root ☛ How To Install Angular on Fedora 39
In this tutorial, we will show you how to install Angular on Fedora 39. Angular is a popular open-source JavaScript framework for building web applications and interfaces. With its component-based architecture, rich features, and large community, Angular has become a top choice for developers building single-page applications.
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ID Root ☛ How To Install Certbot on Debian 12
In this tutorial, we will show you how to install Certbot on Debian 12. In the realm of web security, Certbot emerges as a beacon of hope. This free, open-source software tool is a game-changer for manually-administered websites, enabling HTTPS through the use of Let’s Encrypt certificates. The beauty of Certbot lies in its simplicity. …
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ID Root ☛ PostgreSQL substr() Function
PostgreSQL, a robust, open-source object-relational database system, offers a plethora of features that make it a preferred choice for many developers and data analysts worldwide. Among these features, PostgreSQL’s string functions stand out for their ability to perform complex manipulations and analyses of text data.
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linuxcapable
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Linux Capable ☛ batch Command in Linux
This article will demonstrate how to use the batch command in Linux, a powerful yet often overlooked feature for scheduling non-interactive tasks. You’ll learn to efficiently utilize this command to automate various processes in a GNU/Linux environment.
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Linux Capable ☛ NGINX If Else Directives: Understanding Its Usage
This article will demonstrate what NGINX If Else Directive is, along with practical examples to effectively utilize If Else in your server install. NGINX, known for its high performance and stability, includes a powerful feature known as the If Else directive. This functionality is integral to customizing server behavior based on specific conditions.
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Medevel ☛ Why and How to Backup MySQL Databases?
A brief overview of MySQL databases: MySQL is a popular open-source relational database management system (RDBMS) that is widely used for storing and managing structured data. It provides a robust and scalable platform for various applications, ranging from small websites to large enterprise systems.
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Own HowTo ☛ How to install Docker in Fedora Workstation 39
In this tutorial, you will learn how to install Docker in Fedora workstation 39.
Docker runs on any GNU/Linux distribution, including Fedora workstation 39.
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TecAdmin ☛ How To Install Python 3.12 on Ubuntu, Debian, & GNU/Linux Mint
Python, a versatile and popular programming language, continues to evolve with its latest release, Python 3.12. This guide will walk you through the process of compiling and installing Python 3.12 on Ubuntu, Debian, and GNU/Linux Mint systems. Compiling Python from source allows you to customize the build and potentially achieve better performance.
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Cloudbooklet ☛ How to Troubleshoot GNU/Linux Network Performance Issues
Linux is a popular operating system that is widely used for networking purposes. GNU/Linux offers many advantages such as stability, security, flexibility, and scalability for network administrators and users. However, GNU/Linux users may also encounter some network performance issues that can affect the quality and efficiency of their network communication and services.
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How to install Julia on Debian 12 or 11 Linux
Julia is quite popular in the numerical and computational science field because of its efficient syntax and powerful capabilities. Like other programming languages, Julia is also open source and combines the ease of use of Python and R with the speed of C++.
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How To Customize Gnome Shell Extensions
Gnome Shell Extensions is the best tool to customize your Linux. You will enhance your GNU/Linux desktop’s beauty with awesome icons, customized fonts, an awesome skin pack, etc. Gnome Shell has some awesome extensions, which will definitely provide you with extra features. First, you should activate the tweak tool to install all the extensions.
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TecMint ☛ Pssh – Execute Commands on Multiple Remote GNU/Linux Servers
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Fedora Magazine ☛ Fedora Magazine: How to achieve “dnf swap”-equivalent functionality with rpm-ostree
If you are running one of the standard variants of Fedora Linux, such as Fedora Workstation or one of the other non-ostree variants, you might have used the dnf swap command at some point to replace one package with another one. This article will describe a technique for performing a similar operation on an ostree installation using the rpm-ostree command.
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Simos Xenitellis ☛ Simos Xenitellis: How to install and set up Incus on a cloud server
Incus is a manager for virtual machines and system containers.
A system container is an instance of an operating system that also runs on a computer, along with the main operating system. A system container uses, instead, security primitives of the GNU/Linux kernel for the separation from the main operating system. You can think of system containers as software virtual machines.
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Red Hat ☛ How to install and upgrade Data Grid 8 Operator
In Red Hat OpenShift 4, the Operator framework became a fundamental part of the daily cluster operations. An operator is a custom controller that listens to a few custom resources. Operators can be used for networking, cluster management, or installing and running applications. They provide a custom mechanism that extends the default OpenShift Container Platform capabilities.