ssh root@server 'bash -s' < myscript.sh

OUT=`rpm -qa | grep ntpdate`
if [ "$OUT" != "" ] ; then
    echo "ntpdate already installed"
else
    yum install $1
fi

read -p "Package is not installed. Do you want to install it (y/n)?" choise

$ ssh -t yourserver "$(<your_script)"

$ ssh -t yourserver "$(<your_script)" arg1 arg2 ...

scp myscript.sh root@server:/tmp && ssh root@server /tmp/myscript.sh

OUT=$(ssh root@server rpm -qa | grep "$1");
if [ "$OUT" != "" ] ; then
    echo "$1 already installed"
else
   read -p "Package $1 is not installed. Do you want to install it (y/n)?" choice
   if [ "$choice" -eq "y" ]; then
       ssh root@server yum install "$1"
   fi
fi

hostname
echo -n "Make your choice :"
read choice
echo "You typed " ${choice}
echo done

cat f | ssh [email protected] 'cat >remf'
ssh user@remotehost bash remf

christian@clafujiu:~/tmp$ ssh localhost bash tmp/f
christian@localhost's password:
Linux clafujiu 2.6.32-52-generic #114-Ubuntu SMP Wed Sep 11 19:00:15 UTC 2013 i686 GNU/Linux
Sun Nov 10 14:58:56 GMT 2013
Make your choice :abc
You typed  abc
done

REMID=`cat f |ssh user@remotehost 'cat > remf_$$; echo $$'` ;ssh [email protected] "bash remf_${REMID} ; rm -v remf_${REMID}"