dwarfdump: 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 CentOS possible default full paths are:

/usr/bin/dwarfdump - from package: libdwarf-tools

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/bin/dwarfdump - from package: dwarfdump

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

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