p7content: 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/p7content - from package: libnss3-tools

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

Error in other languages:
p7content: bevel nie gevind nie
p7content: comandă negăsită
p7content: comando não encontrado
p7content: commande introuvable
p7content: command not found
p7content: käsku ei ole
p7content: không tìm thấy lệnh
p7content: komanda nerasta
p7content: Kommando nicht gefunden.
p7content: kommandot finns inte
p7content: komut yok
p7content: nie znaleziono polecenia
p7content: níor aimsíodh an t-ordú
p7content: no se encontró la orden
p7content: no s'ha trobat l'ordre
p7content: opdracht niet gevonden
p7content: parancs nem található
p7content: perintah tidak ditemukan
p7content: príkaz nenájdený
p7content: příkaz nenalezen
p7content: команда не найдена
p7content: командата не е открита
p7content: 命令找不到
p7content: コマンドが見つかりません