When ubuntu update to debian,
Which packages to update,
From where to know what updated and what main package updated.
And also like to know what strongly not move to debian.
When ubuntu update to debian,
Which packages to update,
From where to know what updated and what main package updated.
And also like to know what strongly not move to debian.
As you can see in the comment, Debian and Ubuntu are different Linux distributions. Ubuntu is based in Debian, but it not upgradeable to it. You can upgrade Ubuntu to a newest version of Ubuntu like 14.04 or 15.04. Debian in the other hand, is in the 8.1 version. Both are really good systems, but you can look at:
And here: Ubuntu
For more information. Search on google with something like: "Ubuntu vs Debian" or something else to see some comparative information