vgimport: 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:

/sbin/vgimport - from package: lvm2

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

On Debian possible default full paths are:

/sbin/vgimport - from package: lvm2

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

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