start_erl.src: 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

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/lib64/erlang/erts-5.8.5/bin/start_erl.src - from package: erlang-erts

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

On Debian possible default full paths are:

/usr/lib/erlang/erts-6.2/bin/start_erl.src - from package: erlang-src

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