favicon.ico: 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"

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