export NLS_LANG="American_America.UTF8"

rpm -qa |grep vnc

rpm -ivh vnc*.rpm

vncserver

檢視是哪個埠

4.配置1

vi /root/.vnc/xstartup

修改unset與exec前的註釋

刪除[]後的&&

新增gnome-session & set starting GNOME desktop

4.重啟vnc服務

vncserver -kill :1

vncserver :1

5.配置2

vi /etc/sysconfig/vncservers

新增

VNCSERVERS="1:root 2:oracle"

VNCSERVERARGS[1]="-geometry 1024x768"

VNCSERVERARGS[2]="-geometry 1024x768"

export DISPLAY=localhost:1

xhost +

export LANG=en_US.utf8
vi /etc/selinux/config
setenforce 0  

chkconfig iptables off  service iptables stop

勾選已連線和開機啟動
然後

1 掛載iso映象檔案
[root@dg01 ~]# mount /dev/cdrom /mnt  ---將cdrom的掛載到/mnt目錄
mount: block device /dev/cdrom is write-protected, mounting read-only

2 編輯本地yum原始檔規則
[root@dg01 ~]# vi /etc/yum.repos.d/local.repo

[Cluster]
name=Cluster
baseurl=file:/mnt/Cluster
enabled=1
gpgcheck=0
gpgkey=file:/mnt/RPM-GPG-KEY-oracle

[VT]
name=VT
baseurl=file:/mnt/VT
enabled=1
gpgcheck=0
gpgkey=file:/mnt/RPM-GPG-KEY-oracle

[ClusterStorage]
name=ClusterStorage
baseurl=file:/mnt/ClusterStorage
enabled=1
gpgcheck=0
gpgkey=file:/mnt/RPM-GPG-KEY-oracle

[Server]
name=Server
baseurl=file:/mnt/Server
enabled=1
gpgcheck=0
gpgkey=file:/mnt/RPM-GPG-KEY-oracle
後臺執行
nohup ping &

查詢大於100M的檔案 

find / -type f -size +100000000c -exec du -sh {} \;

查詢某個檔案
[root@aonedev midware]# find /u01/app/midware/ -iname "weblogic.jar"
/u01/app/midware/wlserver_10.3/server/lib/weblogic.jar

alias sqlplus='rlwrap sqlplus'
alias rman='rlwrap rman'

[oracle@ao m01]$ while true; do  du -sh; sleep 2; done


column f1 format a2
column n1 format a30
select trim(file#) f1,name n1 from v$datafile;
select trim(file#) f1,name n1 from v$tempfile;

例項：設定時間偉2008年8月8號12:00
# date -s "2008-08-08 12:00:00"
修改完後,記得執行clock -w，把系統時間寫入CMOS

alter system set log_archive_dest_1='location=/u01/oracle/app/arch';

gcs負責資料塊的一致性，ges負責資料字典
cache fusion就是多個節點把記憶體湊起來一起用