instalar xrdp

#instalar xrdp raspbian

sudo apt update

sudo apt install xrdp

sudo systemctl enable xrdp

sudo systemctl restart xrdp

dotnet 6 raspbian

basado en  https://mycsharpdeveloper.wordpress.com/2021/09/21/installing-net-6-on-raspberry-pi-4-and-get-cpu-temperature-via-c/

wget https://download.visualstudio.microsoft.com/download/pr/d43345e2-f0d7-4866-b56e-419071f30ebe/68debcece0276e9b25a65ec5798cf07b/dotnet-sdk-6.0.101-linux-arm64.tar.gz

mkdir -p $HOME/dotnet && tar zxf dotnet-sdk-6.0.101-linux-arm64.tar.gz -C $HOME/dotnet

export DOTNET_ROOT=$HOME/dotnet

export PATH=$PATH:$HOME/dotnet

# Run nano editor to edit the .bashrc

nano ~/.bashrc

# Copy the commands below to the .bashrc

export DOTNET_ROOT=$HOME/dotnet

export PATH=$PATH:$HOME/dotnet

 

# Run this command so the terminal session will use the new settings

source ~/.bashrc

#Crea una app por consola para validar que funciono la instalacion

mkdir hello-DotNet6

cd hello-DotNet6/

dotnet new console

#para ejecutar el hola Mundo

dotnet run 

broken packages - The following packages have unmet dependencies - E: Broken packages

para el error:

The following information may help to resolve the situation:  The following packages have unmet dependencies:  vlc-bin : Depends: libvlc-bin (= 3.0.12-0+deb10u1+rpt1+arm64) but 3.0.12-0+deb10u1+rpt3 is to be installed  vlc-plugin-skins2 : Depends: vlc-plugin-qt (= 3.0.12-0+deb10u1+rpt3) but 3.0.12-0+deb10u1+rpt1+arm64 is to be installed E: Broken packages 

sudo apt full-upgrade sudo apt dist-upgrade

SSH no funciona raspbian - Failed to start OpenBSD Secure Shell server.

sudo service sshd restart

Job for ssh.service failed because the control process exited with error code.

See "systemctl status ssh.service" and "journalctl -xe" for details.

-- The unit ssh.service has entered the 'failed' state with result 'exit-code'.

Dec 03 20:28:09 pbeltran.ddns.net systemd[1]: Failed to start OpenBSD Secure Shell server.

-- Subject: A start job for unit ssh.service has failed

-- Defined-By: systemd

ssh -t

ssh: error while loading shared libraries: /usr/lib/aarch64-linux-gnu/libgssapi_krb5.so.2: invalid ELF header

sudo apt-get install libgssapi-krb5-2 --reinstall

sudo service smbd stop

sudo systemctl disable smbd

sudo reboot

ssh: error while loading shared libraries: /usr/lib/aarch64-linux-gnu/libkrb5.so.3: invalid ELF header

sudo apt-get install libk5crypto3 --reinstall

ssh: error while loading shared libraries: /usr/lib/aarch64-linux-gnu/libkrb5.so.3: invalid ELF header

sudo apt-get install -y libkrb5-3 --reinstall

descargar un sitio completo en html - Scrape an entire website

 Scrape an entire website 

#linux

wget --recursive --html-extension --page-requisites --convert-links http://website.com

Consider HTTrack. It's a free and easy-to-use offline browser utility.

http://www.httrack.com/

basado

https://stackoverflow.com/questions/9265172/scrape-an-entire-website

Secondary DNS Server for DHCP - PI-Hole

Basado en : 

https://discourse.pi-hole.net/t/secondary-dns-server-for-dhcp/1874/4

sudo nano /etc/dnsmasq.d/02-pihole-dhcp.conf

dhcp-option=6,Pi-holeIP,SecondaryDNSIP

sudo service pihole-FTL restart

ejemplo aplicado : dhcp-option=6,192.168.1.2,8.8.8.8

DNS varios

 

156.154.70.22 DNS Comodo firewall

156.154.71.22 DNS Comodo firewall

200.28.4.130 DNS Movistar

200.28.4.129 DNS Movistar