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mkdir ~/.ssh
chmod 700 ~/.ssh
ssh-keygen -t rsa
ssh-keygen -t dsa
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ssh rdb1 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh rdb1 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
ssh rdb2 ......
1. ²é¿´Oracle´´½¨¹ýÄÄЩÓû§
>select username from all_users;
2. ²é¿´Oracle´´½¨¹ýÄÄЩ±í¿Õ¼ä£¬±í¿Õ¼äµÄÃû×ֺʹóС
>select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_size
from dba_tablespaces t, dba_data_files d
wher ......
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sqlplus connect system/orcl as sysdba;
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alter system set sga_target=150M scope=spfile;
alter system set sga_max_size=150M scope=spfile;
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