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Create a Bootable USB Drive Using Ventoy - Best Method ?
This article covers how to Create Multiboot USB from Linux Using Ventoy. A bootable USB is commonly used as an operating system installer. To create bootable USB download appropriate .iso,.dmg or .img file and then copy/unpack to a USB.
Commonly, at a time one ISO image is used in a USB and have to reformat drive each time to boot another Operating system. This will end up with many bootable USB drives to keep.
The idea is to get the USB drive ready for multibooting. Then you can copy the ISO images of the operating systems that you want in the first partition. Ventoy will then search for them and list them in alphabetical order on the GRUB menu.
Ubuntu "E: Could not get lock /var/lib/dpkg/lock" error - Fix it Now ?
This article covers methods to remove locked files and processes from Ubuntu Linux system to allow you use the APT package manager for other operations.
The dpkg service locks itself so that two processes don’t update the content simultaneously. The service is locked to avoid potential corruptions in the system. However, it also means that the user cannot, for example, run a simple apt command.
In Ubuntu, you may sometimes encounter an error when attempting to run an apt command:
Could not get lock /var/lib/dpkg/lock – open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
This message lets you know that dpkg, the Debian Package Manager service, is unavailable.
Use the options in this guide to resolve the Ubuntu "Could not get lock…" error.
Install Elasticsearch on CentOS 8 - Best Method ?
This article covers the installation and basic configuration of Elasticsearch on the CentOS system. For how to use Elasticsearch, visit the Quick start guide available on its website. Elasticsearch is an open source search and analytics engine that allows you to store, search, and analyze big volumes of data in real time. Elasticsearch powers millions of Applications that rely on intensive search operations such as e-commerce platforms and big data applications.
Elasticsearch supports RESTful operations. This means that you can use HTTP methods (GET, POST, PUT, DELETE, etc.) in combination with an HTTP URI (/collection/entry) to manipulate your data. The intuitive RESTful approach is both developer and user friendly, which is one of the reasons for Elasticsearch's popularity.
Run Shell Script as Systemd Service in Linux
This article covers how to run your own shell script as a systemd service. Basically, Systemd is a software application that provides an array of system components for Linux operating systems. It is the first service to initialize the boot sequence. This always runs with pid 1. This also helps use to manage system and application service on our Linux operating system.
How to Enable New Service in Linux?
1. To reload the systemctl daemon to read new file, execute:
$ sudo systemctl daemon-reload 2. To enable the service to start on system boot, also start the service using the following commands:
$ sudo systemctl enable shellscript.service
$ sudo systemctl start shellscript.service 3. To verify the script is up and running as a systemd service:
$ sudo systemctl status shellscript.service
Top 7 Free and Open-Source Calculators
This article covers the best free and open-source calculators available for Linux and its distribution operating systems. Each discussed calculator software has been reviewed best and most acclaimed by reviewers and Linux users around the globe. The enlisted calculators offer more than any other everyday calculator and enable students, staff, employees, and workers in different areas across the globe to perform mathematical and graphical calculations on the go. The discussed paradigms are all free and can be accessed readily by the users.
Also, the active community of the paradigm constantly adds to the already enhanced and advanced list of features of the diverse calculator software thereby improving the overall user experience every day.
Top 6 Free and Open-Source Alarm Clocks
This article covers the best clock applications that work most efficiently on the Linux platforms and their distributions and are absolutely free, open-source, and reliable.
Alarms are one of the most required utilities in these times. It would not be wrong to say that if there are no alarms, suddenly there will be a giant halt to productivity. Many information technology firms and software solutions developers have proposed high-functioning clock platforms that not only offer a sleek, simple, and easy clock utility but also offer amazing and most efficient alarm features along with a list of other vast features enhancing overall user experience.
