geo: 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/geo - from package: rheolef

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

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