DB2: Criando os usuários para o Sametime


 * 1) groupadd dasadm1
 * 2) groupadd db2admin


 * 1) useradd dasusr1 -m -g dasadm1 -d /home/dasusr1
 * 2) passwd dasusr1


 * 1) useradd db2admin -m -g db2admin -G dasadm1 -d /home/db2admin
 * 2) passwd db2admin