Jump! In our Trivadis Oracle Cloud Infrastructure training environments, we never use direct access to an application or database server by a public IP address. For this case, we use an Oracle Linux based bastion host which acts as a jump host. For security reasons, I never put any SSH keys on a bastion host to connect from there to the target instances. If your bastion host is compromitted, your SSH keys are lost! In one of the last trainings, some participants had problems with. So I decided to blog about. This blog post shows you the different methods to connect to an Oracle Cloud Infrastructure private/public network by using a bastion host. SSH Keys Oracle Cloud Infrastructure Linux based…
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Oracle Enterprise Manager 13c Release 4 – Time to Upgrade – First Experiences
The roll-out of the newest Oracle Enterprise Manager 13 Release 4 is a few days old, about time to try out the upgrade process in my ESXi lab environment. First: This blog post about the OEM upgrade process is based on my own experience. Software https://www.oracle.com/enterprise-manager/downloads/cloud-control-downloads.html Documents https://docs.oracle.com/en/enterprise-manager/cloud-control/enterprise-manager-cloud-control/13.4/emupg/index.html The Environment Oracle Enterprise Manager 13.3 running on Oracle Linux 7.6 – OEM Patchlevel January 2020 – Non-HA Oracle Enterprise Edition Repository 19.6.0 Single Tenant Database Oracle Restart / ASM 19.6.0 Additional Oracle Linux Server with 19.3.0 Container Databases All targets up and running My Oracle Support connected Software staged directory in /u01/app/oracle/stage/em13cr4 and permission changed to execute bin file (chmod u+x em13400_linux64.bin). oracle@kestenholz:/u01/app/oracle/stage/em13cr4/ [oms1303] ll total 12429656 drwxr-xr-x 2 oracle oinstall…
Read MoreMV2ADB – One-Click Move of your Data into OCI Autonomous Databases – Auto Operation
In the previous blog post MV2ADB – One-Click Move of your Data into OCI Autonomous Databases – Step by Step I wrote about the new Oracle Cloud Infrastructure tool to transfer local data into Autonomous Databases step by step. There you see how to install and configure mv2adb and how to transfer your data to ADB step by step. The auto operation parameter is now “all in one”, one parameter and all required steps like export, transfer etc. are done fully automated. Prerequisites mv2adb rpm package installed, always get the newest version from My Oracle Support (Doc ID 2463574.1) HTTP/SQL*Net Connectivity from the on premises server to the Autonomous Database Autonomous Database Wallet (can be downloaded from the ATP main…
Read MoreOCI Database Backup Service Configuration – Avoid 401 Unauthorized Error
While I a preparing new exercises for an Oracle Cloud Infrastructure training, I ran into an issue while configuring the Oracle Database Backup Service for the Object Storage. The OCI backup module installer returns an error 401. My Environment Oracle Linux 7 Virtual Box Machine Oracle 19c RDBMS Backup Service Module Installation Error The installation was done according the documenation https://docs.oracle.com/en/cloud/paas/db-backup-cloud/csdbb/oracle-database-cloud-backup-module-oci.html oracle@ocivm01:~/ [ONPREM] java -jar oci_install.jar -host https://objectstorage.eu-frankfurt-1.oraclecloud.com -pvtKeyFile /home/oracle/.ssh/oci_api_backup_key.pem -pubFingerPrint 1c:79:c5:d5:e4:3a:6e:f5:07:xx:xx:xx -uOCID ocid1.user.oc1..aaaaaaaanqt5qrcbwwseeud7cjfxqcip123456789abcdefghi -tOCID ocid1.tenancy.oc1..aaaaaaaac3gjl7xgpxu3wmmqh2ha123456789abcdefghi -walletDir $ORACLE_BASE/opc_wallet -libDir $ORACLE_HOME/lib -configFile /u01/app/oracle/admin/ONPREM/opc_config/ONPREM.ora -bucket db_backup_doag00 Error Message – java.io.IOException: testConnection: 401 Unauthorized Oracle Database Cloud Backup Module Install Tool, build 12.2.0.1.0DBBKPCSBP_2018-11-09 Error: Could not authenticate to Oracle Database Cloud Backup Module Exception in thread “main” java.lang.RuntimeException: java.io.IOException: testConnection: 401 Unauthorized. at…
Read MoreMonitor your Oracle Cloud Free Tier with Grafana on Oracle Linux 8
In a previous blog post I wrote about monitoring Oracle Cloud Infrastructure components by Grafana. In the meantime, we got the Oracle Cloud Free Tier. Here is an updated version. This blog post shows you how to install and configure the Grafana plugin based on the Oracle blog entry https://blogs.oracle.com/cloudnative/data-source-grafana on an Oracle Enterprise Linux 8 server. Steps to monitor the Oracle Cloud Free Tier by the OCI Grafana Plugin Install and configure the Oracle Cloud Infrastructure CLI – by download or by YUM install Configure Group, User and Policy in Oracle Cloud Infrastructure Console Install Grafana and the OCI Plugin Configure the Grafana DataSource Create a new Dashboard with OCI Metrics Machine Requirements The server needs access to the internet.…
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