Guys I finally decided to reinstall everything and do manual partitioning. At the beginning above all, the lack of total experience on Linux made me lean towards the automatic installation wizard but as we have seen well, on the Directory "/" it only takes 16GB which are not enough! In the manual installation I decided to put 110 GB on 232 available on the SSD unit that I mounted. Another 115 on Home and the rest on Swap. The break is obviously that I have to reinstall everything now, but nevertheless ... I had tried with the LVM management, I had found a guide to increase the capacity of "/" but although it told me that the partition increased, when I then did the check, I always gave the same 16GB ... I did not understand why ... In any case I preferred to do so ... Thanks always for your valuable advice!
