fusermount-glusterfs: 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/fusermount-glusterfs - from package: glusterfs-fuse

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

On Debian possible default full paths are:

/usr/bin/fusermount-glusterfs - from package: glusterfs-client

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

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