chicken-install: 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 CentOS possible default full paths are:

/usr/bin/chicken-install - from package: chicken

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

On Debian possible default full paths are:

/usr/bin/chicken-install - from package: chicken-bin

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

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