smpdump: 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/sbin/smpdump - from package: infiniband-diags

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

On Debian possible default full paths are:

/usr/sbin/smpdump - from package: infiniband-diags

You may install the required package with command apt-get install {package}

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