1) Links utiles: sacar la version eval de un windows
https://www.thinkinvirtual.com/2015/08/convertir-una-version-de-evaluacion-de.html

2) Links utiles: extender un disco de ubuntu
https://www.linuxtechi.com/extend-lvm-partitions/

http://discourse.ubuntu.com/t/remote-desktop-sharing-in-ubuntu-14-04/1640

gsettings set org.gnome.Vino require-encryption false

crear un archivo ejecutable con:
pkill vino
export DISPLAY=:0.0
gsettings set org.gnome.Vino notify-on-connect false
gsettings set org.gnome.Vino disable-background true
gsettings set org.gnome.Vino icon-visibility true
gsettings set org.gnome.Vino require-encryption false
gsettings set org.gnome.Vino prompt-enabled false
gsettings set org.gnome.Vino vnc-password fcentral
/usr/lib/vino/vino-server &

Cambiar nombre de PC:
hostnamectl set-hostname 'otc2-herrafe'

Abrir configuracion de Impresoras con Xming:
/usr/bin/system-config-printer

Configurar teclado:
sudo dpkg-reconfigure keyboard-configuration
setxkbmap us

Configurar una pantalla virtual:
sudo apt-get install xserver-xorg-video-dummy

Then write it in the /usr/share/X11/xorg.conf.d/xorg.conf file (create one, if it does not exist):
Section "Device"
    Identifier  "Configured Video Device"
    Driver      "dummy"
EndSection

Section "Monitor"
    Identifier  "Configured Monitor"
    HorizSync 31.5-48.5
    VertRefresh 50-70
EndSection

Section "Screen"
    Identifier  "Default Screen"
    Monitor     "Configured Monitor"
    Device      "Configured Video Device"
    DefaultDepth 24
    SubSection "Display"
    Depth 24
    Modes "1024x800"
    EndSubSection
EndSection

Permiso de Puerto COM:
sudo chmod 666 /dev/ttyS0

Acceso Directo:
gnome-desktop-item-edit ~/Escritorio --create-new


FTP Ubuntu config:

sudo apt-get install openssh-server
sudo apt-get install vsftpd
adduser cobian
sudo chmod 777 /home/cobian
sudo nano /etc/vsftpd.conf
write_enable=YES
chroot_local_user=YES
chroot_list_enable=NO
chroot_list_file=/etc/vsftpd.chroot_list
 sudo  vi /etc/vsftpd.chroot_list
allow_writeable_chroot=YES
sudo systemctl restart vsftpd

https://www.emiprotechnologies.com/technical_notes/odoo-technical-notes-59/post/install-and-configure-vsftpd-475


HTTP 2:
https://gist.github.com/GAS85/990b46a3a9c2a16c0ece4e48ebce7300


Datos SSH seguro:
sudo mkdir ~/.ssh
sudo chmod 700 ~/.ssh
sudo nano ~/.ssh/authorized_keys
ssh-rsa AAAAB3N....
sudo chmod 600 ~/.ssh/authorized_keys
sudo chown -R $(whoami):$(whoami) ~/.ssh/

Configurar:
sudo nano /etc/ssh/sshd_config
ChallengeResponseAuthentication no
PasswordAuthentication no
sudo service ssh restart

Manejar usuarios:
cat /etc/passwd
userdel -r nombre del usuario

Cron:
cat /etc/crontab