parsewiki: 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/parsewiki - from package: parsewiki

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