In need a developer PHP and administrator serveur linux

Thank you for your best price & delivery on the following work:

1 / On my Linux dedicated server , I need to change any password access
and also all the passwords links administration sites (about 10/15)

2 / It would give me limited access to one of these sites on this dedicated server
I need :
- Access to the source code (FTP, svn , git ? )
- Access to the database
- Access to DNS
- Nature of the site and PHP version ( wordpress, home built ... ? )

3 / I have a problem on another wordpress site for uploading, small concern script I think

4 / The server has become too expensive and too large for my needs
I need advice for a suitable accommodation on offer OVH
with the transfer of 6/7 sites on this new hosting and archiving everything ( quite large )

5 / I have a emailing module, but the stats on even one newsletter sent to two dates differs , your accumulate instead of two lines stats
It should be changed in this direction