ncatted: command not found

Have You tried accessing the binary with the full path?

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/ncatted - from package: nco

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

On Debian possible default full paths are:

/usr/bin/ncatted - from package: nco

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