rpcbind: 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:

/sbin/rpcbind - from package: rpcbind

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

On Debian possible default full paths are:

/sbin/rpcbind - from package: rpcbind

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

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