safe-rm: 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 Debian possible default full paths are:

/usr/bin/safe-rm - from package: safe-rm

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