fpaste: 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/fpaste - from package: fpaste

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

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