====== HowTo add sid to source list ======

edit /etc/apt/source.list
<code>
deb http://mirror.isoc.org.il/pub/debian/ sid main non-free contrib
deb-src  http://mirror.isoc.org.il/pub/debian/ sid main non-free contrib
</code>

Then
<code bash>
apt-get update
apt-get upgrade
apt-get dist-upgrade
</code>