> 7th January 2016, 22:07       Lux

Debian - Troubleshooting

apt-update: There is no public key available for the following key ID

sudo apt-get install debian-archive-keyring
sudo apt-key update

Upgrade Debian Linux system from Wheezy to Jessie stable release

Just extracted from linuxconfig.org:

apt-get update
apt-get upgrade -y
apt-get dist-upgrade -y
sed -i 's/wheezy/jessie/g' /etc/apt/sources.list
apt-get update
apt-get upgrade -y
apt-get dist-upgrade -y
reboot