mysqlrplshow: 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/mysqlrplshow - from package: mysql-utilities

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

On Debian possible default full paths are:

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

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

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