Install Oracle Xe 21c On Ubuntu [TESTED]

sudo apt --fix-broken install -y Then re-run the dpkg command. Oracle XE on Ubuntu will be installed in /opt/oracle . Run the configuration script to set the password for SYS , SYSTEM , and PDBADMIN :

Then:

source ~/.bashrc # Start sudo /etc/init.d/oracle-xe-21c start Stop sudo /etc/init.d/oracle-xe-21c stop Status sudo /etc/init.d/oracle-xe-21c status install oracle xe 21c on ubuntu

wget https://download.oracle.com/otn-pub/otn_software/db-express/oracle-database-xe-21c-1.0-1.ol8.x86_64.rpm If the link fails, go to https://www.oracle.com/database/technologies/xe-downloads.html , accept the license, and copy the download URL for the . Step 3: Convert RPM to DEB sudo alien --scripts --to-deb oracle-database-xe-21c-1.0-1.ol8.x86_64.rpm This creates a .deb file (e.g., oracle-database-xe-21c_1.0-2_amd64.deb ). Step 4: Install the DEB Package sudo dpkg --install oracle-database-xe-21c_1.0-2_amd64.deb If you get dependency errors, run:

export ORACLE_HOME=/opt/oracle/product/21c/dbhomeXE export ORACLE_SID=XE export PATH=$PATH:$ORACLE_HOME/bin Apply changes: sudo apt --fix-broken install -y Then re-run the

Enable auto-start on boot:

[Install] WantedBy=multi-user.target

sqlplus system@localhost:1521/XE Enter the password you set during configuration.