printserverdb: 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/printserverdb - from package: torque-client

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

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