rpmlint: 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/rpmlint - from package: rpmlint

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

On Debian possible default full paths are:

/usr/bin/rpmlint - from package: rpmlint

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

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