Hmm,

I think I figured out where the problem is. I don't know whether this is because of the server or my internet connection, but there are some files I can't download, both in commonswiki and viwiki (for Vietnamese wiki). In detail, I can't download the file 'commonswiki-latest-categorylinks.sql.gz' in commonswiki and in viwiki it's 'viwiki-latest-image.sql.gz'.

Is there anybody facing the same problem with me?