更改sysman和dbsnmp

 

更改sysman密码：
 sqlplus /nolog
 sql>connect user/pwd (user有更改用密码的权限）
 sql>alter user sysman identified by newpwd
 emctl setpasswd dbconsole
 restarting dbconsole

更改dbsnmp密码：
1.停止dbconsole   emctl stop dbconsole
2.更改密码        alter user dbsnmp identified by newpwd
  sqlplus /nolog
  connect dbsnmp/newpwd@dbname  可以连接
3.编辑$ORACLE_HOME/hostname_sid/sysman/emd/targets.xml
  <Property NAME="UserName" VALUE="6f5848a4f53a2d0a" ENCRYPTED="TRUE"/>
  <Property NAME="password" VALUE="829e1a25401de489" ENCRYPTED="TRUE"/>
  将password的value设成新密码，并把ture 更改成false
4.启动dbconsole
  emctl start dbconsole