AWS Certified Database Specialty

 

How to empty swap if there is free RAM? : Linux Red-hat OS

Using root user 

 

 free -m

              total        used        free      shared  buff/cache   available

Mem:          15646        3908        1360        3237       10376        8192

Swap:           699         285         414

swapoff -a

swapon -a

 free -g

              total        used        free      shared  buff/cache   available

Mem:             15           4           1           3          10           7

Swap:             0           0           0

Detach Home from Oracle Inventory - 19c oracle database

 

Go to below location :

/u01/app/oracle/product/19.0.0/dbhome/oui/bin

[oracle@ip- bin]$

[oracle@ip- bin]$

[oracle@ip- bin]$ ./runInstaller -silent -detachhome -invPtrLoc /etc/oraInst.loc oracle_home="/u01/app/oracle/product/19.0.0/dbhome" ORACLE_HOME_NAME="OraDB19Home1"

Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 699 MB    Passed

The inventory pointer is located at /etc/oraInst.loc

You can find the log of this install session at:

 /u01/app/oraInventory/logs/DetachHome2022-01-03_05-40-07PM.log

'DetachHome' was successful.

[oracle@ip- bin]$

[oracle@ip- bin]$

[oracle@ip- bin]$

[oracle@ip- bin]$

[oracle@ip- bin]$

[oracle@ip- bin]$ pwd

/u01/app/oracle/product/19.0.0/dbhome/oui/bin

[oracle@ip- bin]$