PURPOSE All servers which are in internal network adopt NTP service to keep time consistent with each other,avoiding bussiness abnormal due to time issue. ROLES…
Background Some times we need to create plenty of virtual machines or containers in a physical linux server and there is a requirement that all…
How to check UUID [root@vm_666 ~]# blkid /dev/mapper/VlGroup: UUID=”a37054-05bb0bb3d6″ TYPE=”ext4″ /dev/sda1: UUID=”2354-BFD5″ TYPE=”vfat” /dev/sda2: UUID=”8546a028-60e8370cd0a4″ TYPE=”ext4″ /dev/sda3: UUID=”VSUEe9-JDla-H-YLdP0″ TYPE=”LVM2_member” /dev/sdb1: UUID=”Jt2K-x3YX-DKPG-1c-mzi” TYPE=”LVM2_member” /dev/sdc1: UUID=”57568644-dbadc066d75e” TYPE=”ext4″…
shutdown database service SQL>shutdown immediate; start database to mount mode SQL>startup mount; If you haven’t opened archivelog feature, please execute “alter database arcivelog” to enable…
In odder to avoid ip spoof in linux, we can binding ip and mac. 1. Appoint (1). The gateway has been bound to the machine below…
1. Check version of kenel uname -a Linux RHEL6 2.6.32-431.el6.x86_64 #1 SMP Sun Nov 10 22:19:54 EST 2013 x86_64 x86_64 x86_64 GNU/Linux 2. Download the…
Swithover important Primary –> standby select open_mode,database_role,switchover_status from v$database; alter database commit to switchover to physical standby with session shutdown; shutdown immediate; startup mount; alter…