vi /etc/ssh/sshd_configPasswordAuthentication noservice sshd retsartchmod go-w /home/oraclechmod 700 /home/oracle/.sshchmod 600 /home/oracle/.ssh/authorized_keys tail -f /var/log/secure https://www.digitalocean.com/community/questions/how-to-switch-from-password-to-ssh-key-authentication

https://www.youtube.com/watch?v=ApYbwdFWytE https://www.digicert.com/kb/csr-ssl-installation/apache-openssl.htm

history -c && history -wrm ~/.bash_historyvi .bash_profileunset HISTFILE It is recommended to edit the SSH…

yum -y install tigervnc-serveryum -y install firefoxyum -y install mesa-libGLyum -y groupinstall kde-desktop Database #…

https://mylearn.oracle.com/ou/course/oci-goldengate-workshop/131575/ https://mylearn.oracle.com/ou/course/migrate-e-business-suite-to-oracle-cloud-infrastructure/101667/151969 https://mylearn.oracle.com/ou/learning-path/become-a-exadata-database-service-cloud-administrator/121071 https://mylearn.oracle.com/ou/learning-path/become-an-oracle-autonomous-database-cloud-professional-2023/122183 https://apexapps.oracle.com/pls/apex/r/dbpm/livelabs/run-workshop?p210_wid=907&p210_wec=&session=7719309390775

https://www.youtube.com/user/OracleLearning https://education.oracle.com/learning-explorer https://docs.oracle.com/learn/

netstat -tnlp yum install nmap vncserver :1 nmap -Pn 132.145.164.13

curl -T ‘app-gateway-23.4.2-8.0.0-disk001.vdi’ https://objectstorage.ap-mumbai-1.oraclecloud.com/p/hfghfh6zy6hM8lIrH0kcQLv-Gbp/n/bm464v5pfkcu/b/existingbucket/o/app-gateway-23.4.2-8.0.0-disk001.vdi

https://docs.oracle.com/en-us/iaas/Content/Compute/Tasks/imageimportexport.htm#Exporting Exporting an Image You can use the Console or API to export images, and the exported…

Expand the boot volume sudo dd iflag=direct if=/dev/oracleoci/oraclevda of=/dev/null count=1echo “1” | sudo tee /sys/class/block/readlink…