Upgrade
Upgrade debian
STEP 1 CHECK YOUR CURRENT DISTRIBUTION
nano /etc/debian-version
current version (sept 2015) 7.8
table of reference:: table with colors [1]
check :: wheezy old stable
STEP 2 UPDATE CURRENT DISTRIBUTION old stable > to stable
apt-get update && apt-get dist-upgrade && dist-upgrade && apt-get autoremove
(first update than upgrade, than upgrade again if something didn't happen well and autoremove the packages which are not used)
STEP 3 UPDATE THE SOURCE.LIST FOR THE NEW DEBIAN RELEASE update the source.list
nano /etc/apt/sources.list
wikipedia / debian > table with colors (change the name of the distribution)
deb http://www.debian.org/debian jessie main deb-src http://www.debian.org/debian jessie main
STEP 4 UPDATE THE SOURCE.LIST FOR THE NEW DEBIAN RELEASE apt-get update && apt-get dist-upgrade && dist-upgrade && apt-get autoremove
