sugar-settings-manager: 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/sugar-settings-manager - from package: sugar-settings-manager

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

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