activemqcpp-config: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/bin/activemqcpp-config - from package: activemq-cpp-devel

You may install the required package with command yum install {package}

Error in other languages:
activemqcpp-config: bevel nie gevind nie
activemqcpp-config: comandă negăsită
activemqcpp-config: comando não encontrado
activemqcpp-config: commande introuvable
activemqcpp-config: command not found
activemqcpp-config: käsku ei ole
activemqcpp-config: không tìm thấy lệnh
activemqcpp-config: komanda nerasta
activemqcpp-config: Kommando nicht gefunden.
activemqcpp-config: kommandot finns inte
activemqcpp-config: komut yok
activemqcpp-config: nie znaleziono polecenia
activemqcpp-config: níor aimsíodh an t-ordú
activemqcpp-config: no se encontró la orden
activemqcpp-config: no s'ha trobat l'ordre
activemqcpp-config: opdracht niet gevonden
activemqcpp-config: parancs nem található
activemqcpp-config: perintah tidak ditemukan
activemqcpp-config: príkaz nenájdený
activemqcpp-config: příkaz nenalezen
activemqcpp-config: команда не найдена
activemqcpp-config: командата не е открита
activemqcpp-config: 命令找不到
activemqcpp-config: コマンドが見つかりません