eeprog: 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
/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/sbin/eeprog - from package: i2c-tools-eepromer

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