Mir Sayeed Hassan – Oracle Blog

Basic understandbing of the SSH, SSH-KEYGEN, SSH-COPY-ID

Before you proceed make sure the OpenSSH is Installed on your server.

1st time when you connect with the server as SSH “Prompt yes”

[s.hassan@test-ansible ~]$ ssh 192.168.***.131

The authenticity of host '192.168.***.131 (192.168.***.131)' can't be established.
ECDSA... 
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How to set up the Oracle Wallets in Oracle Database

Brief about the Oracle Wallets

The Oracle Wallet is a container or we can called it as repository that stores authentication and credentials such as certificates, certificate requests, and private keys., By using this we can connect to db without providing the schema name & password, Password will...
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How to Install Docker on UBUNTU Server

Check the IP address to assign into the resolv.conf file

nameserver 178.22.***.***

ubuntu@mir-docker-test:~$ sudo cat /etc/resolv.conf

nameserver 178.22.***.***--- this file is added 
nameserver 127.0.0.53
options edns0
search openstacklocal

This command will remove if any Docker is...
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Apply the latest DB RU Patch_19.20 (35320081) on Oracle Database 19C

Check the status of Database

SQL> select instance_name, version, open_mode from V$database, v$instance;

INSTANCE_NAME     VERSION          OPEN_MODE
---------------- ------------------------------
testdb1          19.0.0.0.0        READ WRITE

Verify the lastest OPatch...
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Apply the Latest OPatch (12.2.0.1.40) for Oracle Database 19C

Check the status of Database

SQL> select instance_name, version, open_mode from v$database, v$instance;

INSTANCE_NAME       VERSION         OPEN_MODE
----------------------------------------------
testdb1            19.0.0.0.0      READ WRITE

Check the last updated OPatch

[oracle@test19cdb... 
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Installation of Ansible Packages in Oracle Linux

Download the below require Packages to configure ansible.

[root@ansible-test]# cd /u02/SOURCE/RPM_PKG/ansible/

[root@ansible-test]# ll
total 17808
-rwxrwxrwx. 1 root root 17832207 Oct 29 15:26 ansible-2.9.27-1.el7.noarch (2).rpm
-rwxrwxrwx. 1 root root 42303 Oct 29 15:26 python2-jmespath-0.9.4-2.el7.noarch... 
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