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--- database:oracle:install-oracle19c-centos7 [2023/10/27 15:33] – odefta
+++ database:oracle:install-oracle19c-centos7 [2023/10/27 16:27] (current) – odefta
@@ Line 16: / Line 16: @@
 mkdir -p /home/oracle/oracle19
 chown -R oracle:oinstall /home/oracle/oracle19
+</code>
+Next, edit **/etc/sysctl.conf** and add the following:
+<code>
+fs.aio-max-nr = 1048576
+fs.file-max = 6815744
+kernel.shmall = 2097152
+kernel.shmmax = 8329226240
+kernel.shmmni = 4096
+kernel.sem = 250 32000 100 128
+net.ipv4.ip_local_port_range = 9000 65500
+net.core.rmem_default = 262144
+net.core.rmem_max = 4194304
+net.core.wmem_default = 262144
+net.core.wmem_max = 1048586
+</code>
+Next, apply the changes:
+<code>
+sysctl -p
+sysctl -a
+</code>
+Edit the **/etc/security/limits.conf** file and add:
+<code>
+oracle soft nproc 2047
+oracle hard nproc 16384
+oracle soft nofile 1024
+oracle hard nofile 65536
+</code>
+Next, run the installer:
+<code>
+./runInstaller
+</code>
+<note>
+To continue the installation, we should have access to the UI.
+If the OS does not have an UI, we should add the support for it:
+<code>
+sudo yum groupinstall "GNOME Desktop"
+sudo yum groupinstall "Graphical Administration Tools"
+sudo systemctl enable graphical.target
+sudo systemctl start graphical.target
+sudo systemctl set-default graphical.target
+sudo systemctl reboot
 </code>
+</note>