failed installation oracle 18c xe

[muditoperu]

Hi, I need your help please. I followed this guide step by step:

https://laboratoriolinux.es/index.ph...en-ubuntu.html

And I got these errors (Attachments)

1.jpg

2.jpg

Sorry for my bad english and thanks so much

[ActionParsnip]

Can you please copy and paste the text rather than screenshot. A forum is a text based thing... So why use an image? It makes no sense

[muditoperu]

Hi,

I try to connect via SQL DEVELOPER and:

Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=UiuFEMUZSgirJh1QQoR0hw==)

listener.ora:

DEFAULT_SERVICE_LISTENER = XE

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = myubuntu)(PORT = 1539))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

tnsnames.ora

# tnsnames.ora Network Configuration File: /opt/oracle/product/18c/dbhomeXE/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

LISTENER_XE =
  (ADDRESS = (PROTOCOL = TCP)(HOST = myubuntu)(PORT = 1539))

systemctl status oracle-xe-18c.service

● oracle-xe-18c.service - SYSV: This script is responsible for taking care of configuring the RPM Oracle XE D>
     Loaded: loaded (/etc/init.d/oracle-xe-18c; generated)
     Active: active (exited) since Thu 2021-04-08 18:01:17 -05; 55min ago
       Docs: man:systemd-sysv-generator(8)
    Process: 15882 ExecStart=/etc/init.d/oracle-xe-18c start (code=exited, status=0/SUCCESS)

Apr 08 18:01:12 myubuntu systemd[1]: Starting SYSV: This script is responsible for taking care of configuring>
Apr 08 18:01:12 myubuntu oracle-xe-18c[15882]: Starting Oracle Net Listener.
Apr 08 18:01:12 myubuntu su[15889]: (to oracle) root on none
Apr 08 18:01:12 myubuntu su[15889]: pam_unix(su:session): session opened for user oracle by (uid=0)
Apr 08 18:01:15 myubuntu oracle-xe-18c[15882]: Oracle Net Listener started.
Apr 08 18:01:15 myubuntu oracle-xe-18c[15882]: Starting Oracle Database instance XE.
Apr 08 18:01:15 myubuntu su[16019]: (to oracle) root on none
Apr 08 18:01:15 myubuntu su[16019]: pam_unix(su:session): session opened for user oracle by (uid=0)
Apr 08 18:01:17 myubuntu oracle-xe-18c[15882]: Oracle Database instance XE started.
Apr 08 18:01:17 myubuntu systemd[1]: Started SYSV: This script is responsible for taking care of configuring >

Help me, please. Thanks.