Linux Symbolic Links

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Create a Soft or link between the Directories

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Situation :We have 2 databases with the Wallet Directory and files
We are going to move wallet to a Common location /deploy/database_wallet/

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/apps/oracle/product/11.2.0/db/admin/DB1/wallet/

                                                                                              -- a.txt

                                                                                              -- b.txt

/apps/oracle/product/11.2.0/db/admin/DB2/wallet/

                                                                                              -- c.txt

                                                                                              -- d.txt

Desired(Complete Directory and Contents should mapped to /deploy location

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It should look like this

/apps/oracle/product/11.2.0/db/admin/DB1/wallet -> /deploy/database_wallet/DB1/wallet

/apps/oracle/product/11.2.0/db/admin/DB2/wallet -> /deploy/database_wallet/DB2/wallet

Work

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1) Create directories to the New Location which is /deploy & Change the Permissions

    mkdir -p /deploy/database_wallet/DB1/wallet

    mkdir -p /deploy/database_wallet/DB2/wallet

2) Copy original files which to the new Location

   copy  a.txt, b.txt to

   /deploy/database_wallet/DB1/wallet

   copy  c.txt, d.txt to

   /deploy/database_wallet/DB2/wallet

3) Now we have this

     /deploy/database_wallet/DB1/wallet/

                                                                         -- a.txt

                                                                         -- b.txt

     /deploy/database_wallet/DB2/wallet/

                                                                         -- c.txt

                                                                        -- d.txt

4) Now time to remove the Old Location (ONLY WALLET) and Map it to the New one

  

    rm -rd /apps/oracle/product/11.2.0/db/admin/DB1/wallet

    rm -rd /apps/oracle/product/11.2.0/db/admin/DB2/wallet

   Now the Old Location do not have wallet Directory at all

   Time to create a Directory with the Link

   ln -s /deploy/database_wallet/DB1/wallet    /apps/oracle/product/11.2.0/db/admin/DB1/wallet

   ln -s /deploy/database_wallet/DB2/wallet    /apps/oracle/product/11.2.0/db/admin/DB2/wallet

Now Checking

 

   ls -l /apps/oracle/product/11.2.0/db/admin/DB1

       lxxx xxx xxx /apps/oracle/product/11.2.0/db/admin/DB1/wallet -> /deploy/database_wallet/DB1/wallet