today's howtos

posted by Roy Schestowitz on Aug 17, 2025

• University of Toronto ☛ An interesting thing about people showing up to probe new DNS resolvers

  There turns out to be some interesting aspects to these probes. This new DNS server has two network interfaces, both firewalled off from outside queries, but only one is used as the source IP on queries to authoritative DNS servers. In addition, we have other machines on both networks, with firewalls, so I can get a sense of the ambient DNS probes.

• The New Stack ☛ Linux: Email From the Command Line

  The Linux mail command allows users to send and receive emails directly from the command line. But don’t think this is a terminal replacement for the likes of Thunderbird or Geary. The mail command is all about GUI-less Linux machines, so emails can be sent via services and/or scripts.

  Think about it this way: [...]

• idroot

  • ID Root ☛ How To Install Nano Text Editor on Debian 13

    Installing Nano text editor on Debian 13 represents one of the most straightforward text editing solutions for GNU/Linux users. Whether you’re a system administrator managing configuration files or a developer editing scripts, Nano provides an intuitive command-line interface that bridges the gap between basic text manipulation and advanced editing capabilities.

  • ID Root ☛ How To Install VMware on Rocky GNU/Linux 10

    Installing VMware on Rocky GNU/Linux 10 provides an exceptional virtualization platform for developers, system administrators, and IT professionals seeking reliable virtual machine management. This comprehensive guide walks you through every step of the installation process, ensuring successful deployment of VMware Workstation on your Rocky GNU/Linux 10 system.

  • ID Root ☛ How To Install Incus on Rocky GNU/Linux 10

    Modern containerization technology has revolutionized the way system administrators deploy and manage applications. Incus, a powerful container and virtual machine manager, stands out as an exceptional solution for Rocky GNU/Linux environments.

  • ID Root ☛ How To Install Moodle on AlmaLinux 10

    Installing Moodle on AlmaLinux 10 provides educational institutions with a robust, secure learning management system built on enterprise-grade infrastructure. This comprehensive guide walks through every step of the Moodle installation process, from initial system preparation to final configuration optimization. AlmaLinux 10 delivers the perfect foundation for Moodle deployment.

• The New Stack ☛ Linux: Email From the Command Line

  Linux has more commands than you will probably ever need to use. For desktop users, that is certainly the case.