tracesummary: 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/tracesummary - from package: libtrace-tools

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

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