reference:

svnadmin dump repo and scp to other machine Do this for each repository you have.

svnadmin dump /path/to/reponame > /tmp/reponame.dump ; scp -rp /tmp/reponame.dump user@server.domain.com:/tmp/

Load svn dump into new repo on new machine. Do this for each repository you have.

svnadmin load /path/to/reponame < /tmp/repo1.dump