Erro no push origin master do git em servidor particular

criei um repo no server e fiz um clone no meu pc comum, sendo que quase tudo funciona. Menos o push origin master que envia os arquivos para o servidor dá o seguinte erro:
paulo@192.168.2.100’s password:
Counting objects: 9, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (6/6), done.
Writing objects: 100% (9/9), 852 bytes, done.
Total 9 (delta 0), reused 0 (delta 0)
remote: error: refusing to update checked out branch: refs/heads/master
remote: error: By default, updating the current branch in a non-bare repository
remote: error: is denied, because it will make the index and work tree inconsistent
remote: error: with what you pushed, and will require ‘git reset --hard’ to match
remote: error: the work tree to HEAD.
remote: error:
remote: error: You can set ‘receive.denyCurrentBranch’ configuration variable to
remote: error: ‘ignore’ or ‘warn’ in the remote repository to allow pushing into
remote: error: its current branch; however, this is not recommended unless you
remote: error: arranged to update its work tree to match what you pushed in some
remote: error: other way.
remote: error:
remote: error: To squelch this message and still keep the default behaviour, set
remote: error: ‘receive.denyCurrentBranch’ configuration variable to ‘refuse’.
To paulo@192.168.2.100:/var/www/projeto/.git
! [remote rejected] master -> master (branch is currently checked out)
error: failed to push some refs to ‘paulo@192.168.2.100:/var/www/projeto/.git’

alguem sabe como resolver isso???
obrigado e aguardo respostas