mysqldbcopy: 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/mysqldbcopy - from package: mysql-utilities

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

On Debian possible default full paths are:

/usr/bin/mysqldbcopy - from package: mysql-utilities

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

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