jerancid: 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/lib/rancid/bin/jerancid - from package: rancid

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

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