#add the epel repo and rpmforge repo
cd /root/
wget https://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-9.noarch.rpm
wget http://repository.it4i.cz/mirrors/repoforge/redhat/el7/en/x86_64/rpmforge/RPMS/rpmforge-release-0.5.3-1.el7.rf.x86_64.rpm
#set the control -alt-delete to guard against the misuse
sed -i 's@ ca::ctrlaltdel:/sbin/shutdown -t3 -r now@ #ca::ctrlaltdel:/sbin/shutdown -t3 -r now@' /etc/inittab
#disable selinux
sed -i 's@ SELINUX=enforcing@ SELINUX=disabled@' /etc/selinux/config
#ssh setting
sed -i -e '74 s/^/#/' -i -e '76 s/^/#/' /etc/ssh/sshd_config
sed -i 's@ #UseDNS yes@ UseDNS no@' /etc/ssh/sshd_config
service sshd restart
#chkconfig off services
chkconfig bluetooth off
chkconfig sendmail off
chkconfig kudzu off
chkconfig nfslock off
chkconfig portmap off
chkconfig iptables off
chkconfig autofs off
chkconfig yum-updatesd off