Apps DBA Workshop

 One of the oracle linux service is encountering error saying cannot file directory of the RPM packages. # systemctl status snmpd ● snmpd.service - Simple Network Management Protocol (SNMP) Daemon.      Loaded: loaded (/usr/lib/systemd/system/snmpd.service; disabled; vendor preset: disabled)      Active: active (running) since  2024-03-13 16:24:10 <Tz>; 4s ago    Main PID: 6061 (snmpd)       Tasks: 1 (limit: 10913)      Memory: 11.1M         CPU: 61ms      CGroup: /system.slice/snmpd.service              └─6061 /usr/sbin/snmpd -LS0-6d -f   Mar 13 16:11:25 <hostname> systemd[1]: Starting Simple Network Management Protocol (SNMP) Daemon.... Mar 13 16:11:25 <hostname> snmpd[6061]: Can't find directory of RPM packages Mar 13 16:11:25  <hostname...

 This blogpost will provide the steps how to install MYSQL Database on Oracle Enterprise Linux 9. The Database Installation will be performed using dnf package installation uility. - Install the database package using the dnf command: - Start and Enable the MYSQL Database Service. Wow, we are done with the MYSQL Database Installation :) Thanks for reading. regards, Zaheer

 In this blogpost you will learn how quickly we can install postgresql on Oracle Linux 9 Server.  Check the package of PostgreSQL using the dnf command: Installation of PostgreSQL package: - Setup the postgreSQL Database: - Start and Enable the postgreSQL Service: - Check the status of the postgreSQL Service The postgreSQL started, enabled and working fine without any issues.  Hope it helps  !! Thanks for reading. regards, Zaheer

In this blogpost we will see how we can change the hostname on Oracle Linux 9 Operating System.  We can change hostname on Oracle Linux 9 using the simple "hostnamectl" command without restarting any services and it will be reflected immediately on the host. Check the current hostname: Set new hostname: The hostname has been changed from Linux9 to Linux10 using one simple command. Thanks for reading :)  regards, Zaheer

 This blogpost will help you to disable and enable firewall in Oracle Enterprise Linux 9 Server. By default firewall process will be active on Oracle Linux Server. Check the status of firewall: Disable the firewall: Enable the firewall: In this blogpost we've learned simply how we can enable and disable the firewall in Oracle Linux 9 Server. Thanks for reading :) regards, Zaheer