Archivo de la categoría: debian / ubuntu

Todo lo relacionado con Debian , Ubuntu y similares

Step-by-Step Guide: Configure s-nail with msmtp and Resend SMTP

This guide walks you through installing s-nail as a mail client and configuring msmtp to send emails using the Resend SMTP service. It also replaces conflicting tools (like GNU mailutils), applies system aliases, and includes instructions for managing AppArmor on a Debian-based system (e.g., Ubuntu 22.04 or later). Tested on: Linux linux-mailhost 6.8.0-1022-oracle x86_64 GNU/Linux… Leer más »

How to Fix “Authentication is required to create a color profile/managed device”

The safest fix to get rid of these popups is to create a new configuration file in /etc/polkit-1/localauthority/50-local.d/45-allow-colord.pkla. Paste in the following: /etc/polkit-1/localauthority/50-local.d/45-allow-colord.pkla Save and exit (press CTRL + X, press Y and then press ENTER) This tells Polkit to continue without requiring the authentication prompt over RDP. Now reboot Ubuntu and try logging in again over RDP / Windows Remote Desktop… Leer más »

How to Upgrade Ubuntu 16.04 LTS to 20.04 LTS using command terminal

Published on: March 28, 2021 by Heyan Maurya Note: Upgrading Ubuntu 16.04 LTS to 20.04 LTS can be done by first updating it to Ubuntu 18.04 LTS, thus, we recommend you to backup your data before following the below tutorial and its commands. We will not be responsible for any loss of data… Recently, Canonical’s developers have announced that Ubuntu 16.04 (Xenial Xerus) will… Leer más »

Useful LXD commands

Summarized from https://stgraber.org/2016/03/19/lxd-2-0-your-first-lxd-container-312/. Interestingly, the LXD command line client is named…. lxc! List available containers Launch a container This creates and starts a container. Create container Without starting it. Start/stop after creating it List local containers Available columns for the list command Rename Configuration Config changes are effective immediately, even if container is running. Enter the container… Leer más »

Easy OpenVPN Server

https://github.com/IBCNServices/easy-openvpn-server/blob/master/README.md Easy OpenVPN Server A plug-and-play OpenVPN server that «Just Works» and has secure defaults. It supports both udp and tcp connections over IPv4 and IPv6. Clients will try the faster udp connection first. If that is blocked, they will fall back to a tcp connection that mimicks https traffic. It automatically generates .ovpn client config files… Leer más »

Instalando un servidor TURN e integrándolo con Nextcloud

En este post instalaremos el servicio TURN para permitir usar Talk desde el exterior de nuestra organización, si queremos que nuestros usuarios puedan usar videoconferencias desde Internet directamente. Como sabemos las vídeo llamadas de Talk únicamente funcionan en el mismo segmento de red que el servidor y si necesitamos acceder desde otra red necesitaremos un… Leer más »

hot-add CPU and memory to Ubuntu guest in VMware

Virtualization has made our lives easier. We can spin up new resources for applications, dynamically add more disk space, migrate them, etc. In vSphere, we can dynamically add additional memory and vCPU to a guest VM without any downtime (assuming its been enabled prior to powering on). Now in Ubuntu 12.04, I had two production… Leer más »

Checking Your Ubuntu Version From the Terminal

Step 1: Open the terminal. Step 2: Enter the lsb_release -a command. Step 1: Open “System Settings” from the desktop main menu in Unity. Step 2: Click on the “Details” icon under “System.” Step 3: See version information.