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today's howtos

Submitted by Roy Schestowitz on Tuesday 12th of April 2022 12:16:16 PM Filed under
HowTos
  • How To Install Seafile on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install Seafile on Ubuntu 20.04 LTS. For those of you who didn’t know, Seafile is an open-source, self-hosted file sync that shares the solution with high performance and reliability. Seafile enables you to put files on your own server and allow others and your different devices to sync and access it. Seafile is written in C and Python programming language and provides similar features like Dropbox, mega.co.nz, and others.

    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 Seafile open-source file-hosting and cloud storage system on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.

  • How To Install Terraform on AlmaLinux 8 - idroot

    In this tutorial, we will show you how to install Terraform on AlmaLinux 8. For those of you who didn’t know, Terraform is an open-source infrastructure as a code software tool that enables you to safely and predictably create, change, and improve infrastructure. Terraform is built by Hashicorp and released under Mozilla Public License. It supports public, private as well as hybrid cloud, as of now Terraform supports 145 providers, which includes popular providers like AWS, Azure cloud, GCP, Oracle cloud, and many others.

    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 Terraform on an AlmaLinux 8. You can follow the same instructions for CentOS and Rocky Linux.

  • How to set watermarks in video using FFMPEG
  • How to install LetsEncrypt SSL on Bitnami WordPress Server?

    To install a free LetsEncrypt SSL certificate on bitnami WordPress installation, do the following...

  • Specify the Timezone with Linux date Command - Putorius

    The date command is a powerful tool provided by the GNU Core Utilities package. The formatting options are incredibly useful when writing scripts. If you are unfamiliar with this tool read our primer The Linux Date Command - Display, Format & Set the Date on Linux. In this Linux quick tip we are going to use the TZ environmental variable to specify the timezone with the Linux date command. I use this often when I am working with servers that are geographically distant from me. For example, when I need a script to send me an email when an action completes. Having the date time sent to me using my timezone stops me from needing to do time conversions. It is also handy if you simply want to display the date and time in a different time zone.

  • How to Flush Local DNS Cache on Linux - Putorius

    We aren't going to go into how the whole DNS protocol works. However, it is important to know that all the name and IP address mappings are cached locally. This is done for speed and efficiency. So the next time you go to putorius.net, the DNS resolver can read it's local cache instead of doing a lookup over the internet. Sometimes it is necessary to flush the DNS cache of your system. Maybe the IP address of the system you are trying to reach has changed? If so, you need to flush your local DNS cache or you will not be able to reach it.

  • Specify the Timezone with Linux date Command - Putorius

    The date command is a powerful tool provided by the GNU Core Utilities package. The formatting options are incredibly useful when writing scripts. If you are unfamiliar with this tool read our primer The Linux Date Command - Display, Format & Set the Date on Linux. In this Linux quick tip we are going to use the TZ environmental variable to specify the timezone with the Linux date command. I use this often when I am working with servers that are geographically distant from me. For example, when I need a script to send me an email when an action completes. Having the date time sent to me using my timezone stops me from needing to do time conversions. It is also handy if you simply want to display the date and time in a different time zone.

  • Hide Username & Enable Tap to Click in Ubuntu 22.04 Login Screen | UbuntuHandbook

    This simple tutorial shows how to hide user list and/or enable touchpad tap clicking in login screen of Ubuntu 22.04 LTS.

    GNOME, the default desktop environment, has some hidden keys to configure the login screen options. However, you need gdm (Gnome Display Manager) user privilege who handles the default login.

    After following this tutorial, Ubuntu will no longer display usernames in login screen. Instead, you need to manually type user-name and then password to login.

  • [Quick Tip] Enable ‘Open as Administrator’ Option in Ubuntu 22.04 | UbuntuHandbook

    Want to open folder or edit file as administrator (aka root in Linux)? Here’s how to do the trick by adding menu option in Ubuntu 22.04 file manager.

    The ‘Files’ (aka nautilus) has an extension called nautilus-admin to do administrative operations. With it, you may right-click on folder and select “Open as Administrator“, or right-click on file and select “Edit as Administrator“.

    Don’t like MS Windows, it however does not support running an app as root.

  • Configure TOTP Two-Factor Authentication on Apache Guacamole - kifarunix.com

    In this tutorial, you will learn how to configure TOTP two-factor authentication on Apache Guacamole. Time-based One-time Password, TOTP, is a kind of multi-factor authentication which adds an extra layer of authentication on top of the usual username/password based authentications. This improves the security of your accounts.

  • Install Wireshark on Rocky Linux - kifarunix.com

    In this guide, we are learn how to install Wireshark on Rocky Linux. Wireshark is the world’s foremost and widely-used network protocol analyzer.

  • Configure Guacamole MySQL Database Authentication - kifarunix.com

    In this tutorial, you will learn how to configure Guacamole MySQL database authentication. Guacamole supports various authentication mechanisms including database authentication via MySQL, PostgreSQL, or SQL Server databases.

    So how can you can enable and configure Guacamole MySQL database authentication?

  • Guacamole: How to fix RDP server closed/refused connection: Security negotiation failed (wrong security type?) - kifarunix.com

    This short tutorial shows you how to fix RDP server closed/refused connection: Security negotiation failed (wrong security type?) error while connecting to Windows systems using Apache Guacamole.

»

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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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