vertexid-drawelements: 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/lib64/piglit/bin/vertexid-drawelements - from package: piglit

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

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