mapnik-speed-check: 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 Debian possible default full paths are:

/usr/bin/mapnik-speed-check - from package: mapnik-utils

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

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