bsspclock: 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/bsspclock - from package: ion

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

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