dchroot-dsa: 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/dchroot-dsa - from package: dchroot-dsa

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

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