elt-reset

#!/bin/bash

tarAddr="192.168.3.1"
tarAddrSrv="47.100.165.144"
tarAddrSrvFallback="114.114.114.114"
estatePath="/etc/dnsmasq.conf"

ask () {
        read -n 1 -p "[1 Remove |2 Restore] eLitex Service:     " n
        case $n in
            1) tarAddrInLang=$tarAddrSrv
               dstAddrInLang=$tarAddrSrvFallback;;
            2) tarAddrInLang=$tarAddrSrvFallback
               dstAddrInLang=$tarAddrSrv;;
            *) printf "\n"
               exit;;
        esac
}

ask
ssh root@$tarAddr "sed -i 's/$tarAddrInLang/$dstAddrInLang/g' $estatePath && killall dnsmasq && /etc/init.d/dnsmasq start"