konve: 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"

On CentOS possible default full paths are:

/usr/bin/konve - from package: munipack

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