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Try using these steps to change the FEDORA language setting from a command prompt:
Go to the Fedora system configuration diretory
1. cd /etc/sysconfig

Make backup copy of your language setting file
2. cp i18n i18n.backup

Edit language setting file to allow english as default
3. You can edit the file by using nano or vi text editors available on all
Fedora systems from SSH. I prefer nano so:
4. nano i18n
5. Edit the file to include these lines as the first three lines of the file:
LANG="en_US.UTF-8"
SYSFONT="latarcyrheb-sun16"
SUPPORTED="en_US.UTF-8:en_US:en"

6. Save the file and restart system. If you can not restart the system 
you need to have permission to restart init.d

That should enable the new language setting. If you can not perform these through SSH because the access is too restricted, you will likely need to notify the ISP or whoever has physical access to the server.