Install udev rules for Nexus 7:
wget https://gist.github.com/raw/4329222/60d0439f77e7c8784c45e7f5848a53fe6f8fb66c/99-nexus7.rules -P /etc/udev/rules.d/
Install simple-mtpfs:
yum install simple-mtpfs
Create a mount point:
mkdir -p /media/n7
Mount the tablet:
simple-mtpfs /media/n7
To Unmount:
fusermount -u /media/n7
Add the following lines to your ~/.bashrc file to create bash aliases:
#mount nexus 7 with simple-mtpfs
alias mn7='simple-mtpfs /media/n7'
#unmount nexus 7
alias un7='fusermount -u /media/n7'