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today's howtos

Submitted by Roy Schestowitz on Thursday 6th of May 2021 01:05:06 PM Filed under
HowTos
  • How To Improve The Security Of Linux Servers?

    Many services nowadays run on servers with different Linux distributions. Compared to server versions of Microsoft operating systems, they are free. They are also generally considered to be more secure, but require deeper knowledge on the part of the system administrator to ensure they are configured correctly. It doesn't matter whether the system runs on your own infrastructure or on cloud solutions from Amazon, Microsoft or others. In this article, I'll give you tips for making your Linux instances more secure. The article also includes practical examples of improving the security of Debian-based operating system distributions.

    Automatic installation of updates

    Many servers become targets and victims of hacker attacks due to a security gap in the operating system used. Administrators are usually reluctant to update systems, as this can cause more harm than good, as deployed applications may stop working after a system update. However, it is extremely important for keeping the operating system secure and therefore automatic installations should always be enabled, especially on critical systems. If it is necessary to use older versions of operating systems, we recommend that these computers be completely isolated from the network. A few commands are all that is needed to enable automatic updates on a Linux system.

  • How To Install uTorrent on Debian 10 - idroot

    In this tutorial, we will show you how to install uTorrent on Debian 10. For those of you who didn’t know, uTorrent is the most popular torrent client available for Linux systems. uTorrent downloads file very fast and efficiently as possible without slowing other online activities.

    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 the uTorrent BitTorrent client on a Debian 10 (Buster).

  • How to customize Bash Terminal prompt on Debian 10

    The bash Linux shell provides many customization options for the prompt that you can use not only to incorporate various features in the prompt but also to differentiate them through different colors.

    In this article, we will use various examples to customize and recolor the prompt of our Terminal application that will enable you to do the same depending on your needs. We have the commands and procedures described in this article on a Debian 10 Buster system.

  • Learn essential Kubernetes commands with a new cheat sheet | Opensource.com

    The cloud runs largely on Kubernetes, Kubernetes largely runs on Linux, and Linux runs best when it has a skilled sysadmin at the controls. Whether you consider yourself a cloud architect or just a humble sysadmin, the modern internet needs users who understand how applications and services can be created within containers, scaled on demand, and monitored and managed judiciously.

    One of the first steps into the brave world of containers is learning Kubernetes and its quintessential command: kubectl.

  • Manage the Postfix mail queue with postsuper, postqueue and mailq commands

    Postfix provides several shell programs to manage the mail queue.

  • Resolve DHCPD and HTTPD startup failures with Ansible

    Last year, I had a problem: HTTPD (the Apache web server) would not start on a reboot or cold boot. To fix it, I added an override file, /etc/systemd/system/httpd.service.d/override.conf. It contained the following statements to delay HTTPD's startup until the network is properly started and online. (If you've read my previous articles, you'll know that I use NetworkManager and systemd, not the old SystemV network service and start scripts).

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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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