pmdumptext: 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/pmdumptext - from package: pcp-gui

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

On Debian possible default full paths are:

/usr/bin/pmdumptext - from package: pcp-gui

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

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