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today's howtos

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  • Install HPLIP 3.21.2 In Ubuntu 20.04 / LinuxMint / Fedora 33 | Tips On UNIX

    This tutorial will be helpful for beginners to install HPLIP 3.21.2 in Ubuntu 20.04 LTS, Fedora 33, RHEL, LinuxMint 19.x, and Debian 10.7.

    HPLIP – HP Linux Image and Printing, developed by HP for Printing, scanning, and faxing with HP inkjet and laser-based printers in Linux platforms.

    The latest version of HPLIP 3.21.2 contains new printer support and added support to the new Distro’s and the hplip installer is available for download from SourceForge.

  • How To Install Kodi on Manjaro 20 - idroot

    In this tutorial, we will show you how to install Kodi on Manjaro 20. For those of you who didn’t know, Kodi (formerly XBMC Media Center) is an open-source and very powerful project that provides all the necessary tools for transforming your regular PC into a bona fide HTPC, which, if used in conjunction with a big-screen TV and a Hi-Fi audio system, will transform your living room into a veritable home theater. Currently, Kodi can be used to play almost all popular audio and video formats around. It was designed for network playback, so you can stream your multimedia from anywhere in the house or directly from the internet using practically any protocol available.

    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 Kodi on a Manjaro 20 (Nibia).

  • Setting up a local repository on Ubuntu 16.04 - The Linux Juggernaut

    Having packages available locally is helpful in a number of situations. Your organization might be using certain packages which are not available on public repositories. You might also be building your own debian packages and would prefer to have them available locally on the system.

    In this article, we will show you how to set up a simple local package repository on an Ubuntu 16.04 system.

  • apt command examples for package management in Ubuntu - The Linux Juggernaut

    In our earlier articles on package management for Debian bases distributions, we’ve covered dpkg, apt-get, and apt-cache tools. In this article, we will cover the apt tool for managing packages on our Ubuntu 16.04 system. The command line options for apt are very similar to those available with apt-get and apt-cache because apt encompasses features of both these tools into one package management tool. Apt is a front-end tool which works with dpkg in the background to maintain software on the system.

    To interact with the apt package manager, we use the apt command along with the appropriate options.
    We’ll now take you through some examples to help understand how we use the apt package manager.

  • How to add Capacity Providers in the existing ECS Cluster? - Kernel Talks

    In our last article, we walked you through the basics of Capacity Providers. In this article, let’s create them to test their functionalities. You can create Capacity Providers and add them to the running ECS cluster without touching anything in the cluster.

  • Lukas "lzap" Zapletal: Installing Unifi Controller on Fedora 33

    Installing Unifi Controller in Fedora 33 is easy. Step one: install MongoDB from the official site since it is no longer available in Fedora due to licensing reasons.

  • Lukas "lzap" Zapletal: Remove rsyslog and use journald in Fedora

    I am reinstalling my home server from scratch, I want to start using BTRFS which seems like a great fit for what I am doing (NAS, backups). Installation was smooth, no problems, however I noticed that Fedora Server 33 installed both journald and rsyslogd and journal was configured to do persistent logging.

    You know, this is weird. On Red Hat Enterprise Linux 7 and 8, journald is configured in volatile mode and it’s set to forward all logs to syslog. On Fedora 33, it looks like both rsyslog and journald are logging (/var/log/messages and /var/log/journal respectively). No forwarding is going on. This is weird, I am going to file a BZ for folks to investigate.

  • Jon Chiappetta: Configuring an OpenWRT Switch to work with SSID VLANS on a UAP-AC-PRO

    On the OpenWRT Swtich page, I have set the LAN ports 1 & 2 as VLAN trunk ports (tagged) to allow both to carry the traffic through to the VLAN access ports (untagged) (home = VLAN 3 && guest = VLAN 4). This will create the sub-interfaces eth0.3 and eth0.4 that will contain the separated Layer 2 ethernet traffic to/from those different WiFi clients (ARP, DHCP via dnsmasq, mDNS, etc).

  • Please do not put IP addresses into DNS MX records

    I want to highlight a common misconfiguration in the DNS records for e-mail servers.

    When a domain is configured to receive mails usually a DNS record of the type MX is configured pointing to the host name of the mail server.

    Notably, according to the respective RFC 1035 the MX record must contain a domain name and may not directly point to an IP address. However some mail servers do configure an IP address. Many mail servers are lenient when it comes to this misconfiguration and will deliver mails nevertheless, so this may stay undetected.

    I happen to use a mail server that is less forgiving (Courier), and every now and then I cannot send a mail due to this. It’s rare, but it does happen. If your mail server has such a configuration you may not receive some legitimate e-mails.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

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.