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today's howtos

Submitted by Rianne Schestowitz on Wednesday 10th of March 2021 06:31:45 AM Filed under
HowTos
  • How To Install Anaconda on Manjaro 20 - idroot

    In this tutorial, we will show you how to install Anaconda on Manjaro 20. For those of you who didn’t know, Anaconda is a popular Python/R data science and machine learning platform, used for large-scale data processing, predictive analytics, and scientific computing. Anaconda is available in four editions namely individual (open source) edition, commercial edition, team edition, and enterprise edition. Anaconda individual edition is the world’s most popular Python distribution platform with over 20 million users worldwide.

    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 through the step-by-step installation of Anaconda on a Manjaro 20 (Nibia).

  • How to measure elapsed time in bash

    Elapsed time is the amount of wall-clock time that has passed between the beginning and the end of a particular event. In other words, elapsed time is a measurement of actual time taken for the event to complete. It is common to to measure elapsed time as part of application performance analysis and profiling. While you are working on a bash script, you may also want to add instrumentation in your script to calculate elapsed time for various components (e.g., a bash function, an external command, etc). In this tutorial, let's find out how to measure elapsed time in a bash script.

    The most common way to measure elapsed time in bash is to utilize the date command, which can show the current system date and time in a configurable format. Using the flexiblity of date's display format, you can easily calculate elapsed time with different resolutions.

  • HardInfo: Check Hardware Information in Linux – Linux Hint

    Computer hardware is a combination of various components, such as motherboard, CPU, GPU, memory, and other I/O devices. It is good for Linux users to have a basic knowledge of the hardware components of the system that they are currently using. This will help administrators to manage the required devices accordingly.

    This article shows you how to check the hardware information in Ubuntu using various methods. These options are discussed in the sections that follow.

  • How to List Startup Services at Boot Time in Fedora Linux? – Linux Hint

    Red Hat invented the ‘systemd’ as a manager for system and service on Linux OS. It is compatible with the old SysV and LSB init scripts with more features such as simultaneous start-up of system services at boot time, daemon (background process) activation on-demand, or service control logic based on dependency.
    Systemd brings the concept of systemd units in Linux. For e.g., service unit, target unit, mount unit etc. are unit types with file extension as .service, .target, .mount respectively. The configurational file representing these units are stored inside the directories: /usr/lib/systemd/system/, /run/systemd/system/, /etc/systemd/system/

    Earlier versions of Red Hat Enterprise Linux (RHEL) used init scripts. These scripts were written in BASH and were located in the directory “/etc/rc.d/init.d/”. These are scripts used to control the services and daemons. Later in RHEL 7, service units were introduced to replace the init scripts. Fedora, which is an upstream OS of Red Hat Enterprise Linux, has started using the systemd from the Fedora version 15.

    Service units have .service file extensions and have similar roles as init scripts. “Systemd” uses the “systemctl” utility to manage system services. It can be used to view, start, stop, restart, enable or disable these services.

  • How do I Access a Remote Desktop from Debian 10? – Linux Hint

    By accessing a remote desktop, we essentially mean that we want to access the desktop environment that is running on another computer system from our computer system. This strategy is generally used to provide technical support to customers by remotely accessing their computer systems. There can be several other use cases of adopting this strategy. In today’s article, we will learn how to access a remote desktop from a Debian 10 system.

  • How to Fix “failed to start hostname.service unit hostname.service is masked” Error – Linux Hint

    Whenever you bring in a new computer system, there is a default hostname associated with it that is mapped onto a specific IP address. However, you can always change this hostname for your convenience. Once you change the hostname of your Linux-based system, you should always restart the “hostname.service” module for the new changes to take effect. Sometimes, when restarting this service, you may encounter the “failed to start hostname.service unit hostname.service is masked” error. This article highlights the root cause of this error and shows you how to resolve this error.

  • Different Ways to Use Column Command in Linux

    Have you ever been in a situation to work with CSV files and produce output in structured tabular format? Recently I was working with data cleansing on a file that is not in a proper structure. It has so many whitespaces between each column and I have to convert it to CSV format to push to the database. After cleaning and creating the output in CSV format, my output is not visually appealing to verify data integrity in the CSV file. This is the time the “Column” command comes in handy to me.

    According to manpage, the column command “columnate lists”. In simple words, the column is a simple utility that can format your output into a column format (rows and fields) based on the structure of your source file. The column command is part of the util-linux package.

    An important point to note here is column command behaves differently in Debian-based and Rhel-based distros. The reason is Debian-based distro uses “column” from bsdmainutils instead of util-linux. The upstream version of the column command is newer than the bsdmainutils package. Take a look at the bug report to know more about this.

  • 8 Examples to Add Static Routes in PAN-OS PaloAlto from CLI and Console

    Managing routes is an essential configuration task for network admins who are managing firewalls.

    If you are using the PaloAlto firewall, this tutorial explains how to add static routes using both the PAN-OS command line interface and from the PaloAlto Firewall Console.

»

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. 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 MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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