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How to enable Gnome Network Manager VPN tab if disabled or greyed out

  • Published on Tuesday, 05 January 2016 14:01
vpn-screenshot1

The "Add tab" option is greyed out when some required plugins have not been installed for Gnome.

BEFORE:

 

AFTER

vpn-screenshot2

INSTALLATION COMMANDS:

apt-get install network-manager-openvpn network-manager-pptp network-manager-vpnc

apt-get install network-manager-openvpn network-manager-pptp network-manager-pptp-gnome network-manager-vpnc

you might be prompted to insert your cdrom along the line.

How to Install Virtual box from Debian terminal

  • Published on Saturday, 18 July 2015 18:03
VirtualBox

how to install virtualbox:

Add the following line to your /etc/apt/sources.list:
deb http://download.virtualbox.org/virtualbox/debian vivid contrib

According to your distribution, replace 'vivid' by 'utopic', 'trusty', 'raring', 'quantal', 'precise', 'lucid', 'jessie', 'wheezy', or 'squeeze'.

download and add The Oracle public key for apt-secure:
wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add -

do as

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