today's howtos
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How to Configure Custom Postfix Bounce Messages
Since Postfix version 2.3, Postfix supports custom bounce messages. This guide shows how to set up custom Postfix bounce messages and max queue lifetime.
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How To Clear Cache On Chromebook
Every inquiry you could have can be answered on the internet. Finding the solutions to your queries is a great activity. But doing it every day without deleting the cookies, cache, and other temporary files from your Chrome browser might use up much space on your computer. Like other operating systems, Chromebook also gathers cache. So if you are a Chromebook user, you might clear the cache regularly. This guide will let you know how to delete cache files from the Chromebook.
So the good practice for tech and the internet user is to clear cache routinely to ensure the device’s optimal performance. However, ChromeOS has no dedicated program or apps to clear cache quickly. Therefore, we must apply an unconventional technique using the Chrome browser.
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How to Install PowerDNS and PowerDNS-Admin on Ubuntu 22.04
PowerDNS is a free and open-source authoritative nameserver written in C++. It is cross-platform and can run on Unix, Linux, and macOS operating systems. It supports several databases such as MySQL, MariaDB, PostgreSQL, and Oracle to store zone files and records.
PowerDNS Admin is a web-based application that can be used for managing PowerDNS via a web browser. It allows you to create and manage DNS zones using the PowerDNS web interface. It offers very useful features, including IPv4 and IPv6 support, bulk domain, DNSSec support, AD, LDAP, SAML authentication, and more.
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How to Install Yandex Browser on Ubuntu 22.04 LTS
“Yandex Browser” is a free fast and visually appealing alternative to Firefox, Chrome, Opera, and Microsoft Edge. Users who want to switch to Yandex can easily import data such as bookmarks and the settings from other popular browsers in just a few steps.
Well, this Russian Search engine company’s browser is based on Chromium and Opera elements, therefore we can use all addons that are compatible with Google Chrome and Opera. In addition to bookmark management and a password manager for automatic logins, the Windows program also offers an incognito mode that allows you to leave no traces on your PC while browsing.
Set up a free Yandex user account, and just like Google or Firefox users can sync bookmarks or credentials with other devices running the same browser.
For security, the browser offers Kaspersky’s integrated virus protection; tracking protection, phishing protection, blocking third-party cookies, and preventing unsolicited access to webcams, microphones, or USB devices.
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How to Setup Kubernetes Cluster with Kubeadm on Ubuntu 22.04
Kubernetes or k8s is an open-source platform for container orchestration that automates deployments, management, and scaling of containerized applications. Kubernetes is a container orchestration created by Google, and now become an open-source project and become standard for modern application deployment and computing platforms.
Kubernetes is the solution for the modern container deployment era. It provides service discovery and load-balancing, storage orchestration, automated rollout and rollback, self-healing service, secret and configuration management. Kubernetes enables cost-effective cloud-native development.
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How to run macOS Catalina in VirtManager on Linux
If you need macOS on your Linux PC for development purposes, you’ll be happy to know that it is possible to set up a VM in VirtManager using the macOS-Simple-KVM tool.
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You’ll need to install VirtManager on your Linux PC to use macOS on your Linux PC. To install the software, open up a terminal window. You can open a terminal window by pressing Ctrl + Alt + T on the keyboard. Or, search for “Terminal” in the app menu.
With the terminal window open, the installation can begin. Follow the installation instructions below to install VirtManager on your Linux PC.
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How to install Linux Mint 21 Xfce - Invidious
In this video, I am going to show how to install Linux Mint 21 Xfce.
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Some common options you can use with the ls command - TREND OCEANS
As you know, the ls command is used to list all directories and files that are stored on a computer, and it is the most basic command that every Linux user is aware of how to list files on a terminal, but some of them are not using an option that is available for use.
So let me introduce to you some of the most common options which you can use to list files or directories, and not only that, after reading this article you can show your creativity to create your own personalized option as per your needs, which will help you to list files according to your preference.
Well, I’ll try to show you most of the common options that you can use with the ls command, like listing files in reverse order, accessing time, showing only a directory, and many other interesting options, but while writing, if I missed something, then please put that command in the comment section for our readers.
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SSH tips and tricks | Carlos Becker
Since I joined Charm, I’ve been working and learning more about SSH, and I thought I would share a few quick tips and tricks with you.
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How to find files on Linux and make it easy to find them again
The cd command makes it easy to switch to another directory on Liniux, but only if you know where you’re heading. In this post, I discuss a couple of tricks for moving between known locations and provide a script for finding and “remembering” files or locations that you might want to reuse.
One of the easiest things to do with the cd command is return to your home directory regardless of where you are sitting in the file system at the moment. Just type cd by itself, and you’ll be back in your home directory. Typing cd ~ will do the same thing, though adding the tilde won’t get you there any faster.
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How to Use eval in Linux Bash Scripts
Of all the Bash commands, poor old eval probably has the worst reputation. Justified, or just bad press? We discuss the use and dangers of this least-loved of Linux commands.
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How To Install Eclipse IDE on Ubuntu 22.04 LTS - idroot
In this tutorial, we will show you how to install Eclipse IDE on Ubuntu 22.04 LTS. For those of you who didn’t know, Eclipse is an open-source IDE used for java application development. The Eclipse IDE comes with a rich set of tools and features that are designed to help developers be more productive while they write or design code. Eclipse can run on Linux, Windows, and macOS.
This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Eclipse IDE (Integrated Development Environment) on Ubuntu 22.04 (Jammy Jellyfish). You can follow the same instructions for Ubuntu 22.04 and any other Debian-based distribution like Linux Mint, Elementary OS, Pop!_OS, and more as well.