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File: fwphp/glomodul/mkd/01/001_instalac/fedora_oracle_DB_21c.txt
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Class file image Download 5.1 Installing Oracle Database XE Using RPM Packages ==================================================== Uninstall any existing Oracle Database XE or database with the SID XE from the target system. Nedded is 9 gigabytes of disk space under /opt. If this disk partition does not have the required disk space available, you must add space or mount an alternative partition as /opt/oracle. This disk partition is Oracle Base where SW and DB will reside. Note:Ora DB XE installation does not support usage of symbolic links (symlink) for that disk. Installing Oracle Database XE RPM --------------------------------- Execute as user root using sudo. $ sudo -s For Oracle Linux, DB Preinstallation RPM is pulled automatically, proceed to the next step. For Red Hat compatible Linux distributions, download and install the Database Preinstallation RPM using the following: For Red Hat Enterprise Linux 7, run the following commands: # curl -o oracle-database-preinstall-21c-1.0-1.el7.x86_64.rpm # yum -y localinstall oracle-database-preinstall-21c-1.0-1.el7.x86_64.rpm Note:Use the -y option if you want yum to skip the package confirmation prompt. For Red Hat Enterprise Linux 8, run the following commands: # curl -o oracle-database-preinstall-21c-1.0-1.el8.x86_64.rpm # dnf -y localinstall oracle-database-preinstall-21c-1.0-1.el8.x86_64.rpm The yum command that is provided with Oracle Linux 8 is a symbolic link to the dnf command. The yum and dnf commands are completely interchangeable. However, the dnf command provides significant improvements in functionality and performance when compared to the yum command. See Also: About DNF for more information about the dnf command. Access the software download page for Oracle Database RPM-based installation from Oracle Technology Network : Download an appropriate rpm file required for performing an RPM-based installation to a directory of your choice: For Oracle Linux 7: oracle-database-xe-21c-1.0-1.ol7.x86_64.rpm For Oracle Linux 8: oracle-database-xe-21c-1.0-1.ol8.x86_64.rpm Install the database software using one of the following commands: For Oracle Linux 7, use the yum localinstall command: # yum -y localinstall oracle-database-xe-21c-1.0-1.ol7.x86_64.rpm For Oracle Linux 8, use the dnf localinstall command: # dnf -y localinstall oracle-database-xe-21c-1.0-1.ol8.x86_64.rpm The Database Preinstallation RPM automatically creates Oracle installation owner and groups and sets up other kernel configuration settings as required for Oracle installations. If you plan to use job-role separation, then create the extended set of database users and groups depending on your requirements. Check the RPM log file to review the system configuration changes. For example, review this file for latest changes: /var/log/oracle-database-preinstall-21c/results/orakernel.log . The installation of Oracle Database software is now complete. Creating and Configuring an Oracle Database ------------------------------------------- The configuration script creates a container database (XE) with one pluggable database (XEPDB1) and configures the listener at the default port (1521) and Enterprise Manager Express on port 5500. You can modify the configuration parameters by editing the /etc/sysconfig/oracle?xe?21c.conf file. The parameters set in this file are explained in more details in the silent mode installation procedure: Performing a Silent Installation. To create the Oracle XE database with the default settings, perform the following steps: Execute as user root using sudo. $ sudo -s Run the service configuration script: # /etc/init.d/oracle-xe-21c configure At the prompt, specify a password for the SYS, SYSTEM, and PDBADMIN administrative user accounts. Oracle recommends that the password entered should be at least 8 characters in length, contain at least 1 uppercase character, 1 lower case character and 1 digit [0-9]. See Also: The same password will be used for these accounts. The password should conform to the Oracle recommended standards. See Oracle Database Security Guide for more information about guidelines for securing passwords After the configuration completes, the database and listener are started. Configuration, Database Files and Logs Location ------------------------------------------------ Table 5-1 Configuration, Database Files and Logs Location File Name and Location Purpose /opt/oracle Oracle Base. This is the root of the Oracle Database XE directory tree. /opt/oracle/product/21c/dbhomeXE Oracle Home. This home is where the Oracle Database XE is installed. It contains the directories of the Oracle Database XE executables and network files. /opt/oracle/oradata/XE Database files. /opt/oracle/diag subdirectories Diagnostic logs. The database alert log is /opt/oracle/diag/rdbms/xe/XE/trace/alert_XE.log /opt/oracle/cfgtoollogs/dbca/XE Database creation logs. The XE.log file contains the results of the database creation script execution. /etc/sysconfig/oracle-xe-21c.conf Configuration default parameters. /etc/init.d/oracle-xe?21c Configuration and services script. Note:If a host does not have any IP address other than loopback address assigned (typically in a docker or in an another container environment), NetCA may fail during install with "No valid IP Address returned for the host <hostname>" in netca trace log. Please assign an IP address and retry the install.