from linuxconsole 2.4 (as root)

wget http://jukebox.linuxconsole.org/official/update-linuxconsole-2.5.sh
sh update-linuxconsole-2.5.sh
reboot

from linuxconsole 2.5


cp /media/linuxconsole/root/etc/shadow /etc
cp /media/linuxconsole/root/etc/group /etc
cp /media/linuxconsole/root/etc/passwd /etc
cp -fR /media/linuxconsole/root/usr/etc/NetworkManager/system-connections/* /etc/NetworkManager/system-connections/ 
reboot

Done !

Update LinuxConsole from 2.4 to 2.5