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IBM/Red Hat/Fedora

Submitted by Roy Schestowitz on Monday 4th of April 2022 07:53:39 PM Filed under
Red Hat
  • Top 8 YUM/DNF ThirdParty Repositories for RHEL-Based Linux

    YUM (Yellowdog Updater Modified) is an open-source, widely used command-line and graphical-based package management tool for RPM (RedHat Package Manager) based Linux systems, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS, Scientific Linux (SL), Oracle Linux (OL), Rocky Linux and AlmaLinux, which is used to install, update, remove or search software packages on a system.

    The DNF command (Dandified yum) is the next-generation version of the traditional YUM package manager for RedHat-based systems.

    To install software packages that are not included in the default base and update repositories, as well as additional repositories, you need to install and enable other third-party repositories on your system.

  • PostgreSQL load tuning on Red Hat Enterprise Linux

    If your PostgresSQL database is running slowly, you might be wondering how you can tune your Red Hat Enterprise Linux server for a PostgreSQL database workload. In this post, I’ll walk you through how a customer tuned PostgreSQL for Red Hat Enterprise Linux (RHEL).

    First, let me give you the scenario: A physical server which has 160 logical CPUs and 3TB RAM (yes, you read that right) was having difficulty handling a load of 1,200+ running applications, all of which used PostgreSQL 9.6 as a database.

    All those applications run on a very big Red Hat OpenShift cluster, and in some situations the active connections scaled up to the maximum configured in PostgreSQL, making applications unable to access the database. When applications start to crash, a chain reaction occurs, caused by the OpenShift Liveness and Readiness probes, which worsens the problem.

  • Linux troubleshooting commands: 4 tools for DNS name resolution problems [Ed: Those are not Linux commands. Linux is a kernel, it's not for commands.]

    Find out what's stopping you from accessing a server, printer, or another network resource with these four Linux troubleshooting commands.

  • Using Podman 4.0's new features, avoiding YAML errors, and more tips for sysadmins | Enable Sysadmin

    March 2022 was another excellent month for Enable Sysadmin. During the month, we published 24 new articles and received more than 836,000 reads from nearly 568,000 readers across the site.

    Today, we are looking back at our top 10 articles of March to give you a chance to catch up on any of the great content you might have missed. In this list, you will see various topics covered, and we are confident that some, if not all, will be of interest to you.

  • 5 ways digital transformation drives customer success [Ed: Tossing in fictional numbers to encourage companies to spend on making things worse, more complex]

    According to a November 2021 Statista report, digital transformation spending in the U.S. is expected to reach $1.8 trillion in 2022 and $2.8 trillion by 2025. These statistics underscore why digital transformation has become a priority for every organization.

  • 5 things CIOs should know about cloud service providers [Ed: IBM pushing traps, outsourcing and surveillance in "clown computing"]
  • CentOS Hyperscale SIG Quarterly Report for 2022Q1

    This report covers work that happened between January 1st and April 4th. For previous work, see the 2021Q4 report.

  • Red Hat Adds Common Criteria Certification for Red Hat Enterprise Linux 8
  • Red Hat Adds Common Criteria Certification for Red Hat Enterprise Linux 8

    A Common Criteria Certification is intended to provide a level of assurance that a product meets a certain security criteria for specific computing environments. A component of the validation is rigorous, standardized and repeatable testing by any independent third party and provides common ground for sensitive computing operations at an international level.

    For Common Criteria, Red Hat Enterprise Linux 8.2 was certified by the National Information Assurance Partnership (NIAP), with testing and validation completed by Acumen Security, a U.S. government-accredited laboratory. The platform was tested and validated against the Common Criteria Standard for Information Security Evaluation (ISO/IEC 15408) against version 4.2.1 of the NIAP General Purpose Operating System Protection Profile including Extended Package for Secure Shell (SSH), version 1.0 and is the latest Red Hat Enterprise Linux version to appear on the NIAP Product Compliant List.

»

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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

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  • 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.

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  • 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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