Category 631
Discussion List
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Unable to login to Linux/Ubuntu using SSH Don't have SSH KeysSummary: Having trouble logging into Linux/Ubuntu using SSH. I no longer have access to my laptop that had the SSH keys. Tried to follow "Oracle Linux – How to set up a … -
OCI: How to Locate OPC Request ID in OCI Console for Issues TroubleshootingApplies To: Oracle Cloud Infrastructure Information in this document applies to any platform. Goal: This document explains the steps to locate the OPC request ID in the …
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Oracle Linux - Leapp Upgrade Fails due to python3-pyasn1-0.3.7-6.el8.noarch packages conflictApplies to: Oracle Linux 7 Symptoms: Oracle Linux 7 to Oracle Linux 8 Leapp Upgrade Fails due to python packages conflict. Leapp upgrade report shows: Risk Factor: high …
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Oracle Linux - ssh_genkeytypes set to null in /etc/cloud/cloudApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms: While performing an update by executing sudo yum update this message is shown: warning: /etc/cloud/cloud.c… -
OSMH Custom Software Source Creation Fails with no Error on Console “Invalid parameter packages"Applies To: Oracle Cloud Infrastructure Information in this document applies to any platform. Symptoms Creation of OSMH custom software source (CSS) or versioned custom …
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A quick way to add additional RSA public keys for authenticationAPPLIES TO: Linux OS - Oracle Linux 7, Oracle Linux 8 and Oracle Linux 9. Oracle Cloud Infrastructure and on premises. Linux x86-64 GOAL: Add additional RSA public keys …
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Pip install fails after upgrade from OL7 to OL8APPLIES TO: Linux OS – Version Oracle Linux 8 Linux x86_64 on Oracle Public Cloud, on-premises SYMPTOMS: Pip install fails with: pip install pycrypto==Traceback (most re…
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How to Use top Command to Check Swap UsageApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to use the top command to check swap usage f…
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OCI : How To Manually Install Oracle-Cloud-Agent on Ubuntu InstanceApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document explains steps to Install Oracle-Cloud-Agent on Ubuntu Instance. Solutio…
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OCI : dnf Command Fails with Error “/lib64/librpm.so.8: file too short”Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Below error is seen while running the dnf update command. [root@xxxx]# dnf update …
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OCI: sftp and ssh Connections Failing Intermittently With "ssh_exchange_identification: Connection cApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: Intermittently unable to ssh to the server. The following error shows: # ssh server.example.com ssh_exchange_i…
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OCI: Error Unpacking RPM Package setup-2.x.x-x.noarchApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: yum(1) update fails with the following message: Running transaction Updating : setup-2.x.x-x.elx.noarch Error …
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OCI: OSMH Plugin Failed With Error "Plugin OS Management Hub Agent not present for instance"APPLIES TO: OS Management Hun (OSMH) Oracle Cloud Infrastructure SYMPTOMS Instance OSMH Plugin failed to start with error “OS Management Hub plugin message : Plugin OS M…
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OCI: The Time Stamp Recorded in the Vmcore and Reboot Log Messages Does not MatchApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: The sys command in crash utilities displays the reboot time as "DATE: Sun Oct 27 1…
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OCI: How to Subscribe Oracle Linux Extended Support Yum Channels on Oracle Linux 7Applies To Oracle Cloud Infrastructure Oracle Linux Goal: How to subscribe Oracle Linux Extended Support yum channels on Oracle Linux 7 instances running on OCI. Solutio…
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OCI: Extend Root Filesystem In Rocky LinuxApplies To: Oracle Cloud Infrastructure Rocky Linux x86_64 Goal: Extend the boot volume and partition for Rocky Linux to 100GB Current size 50GB: # df -h Filesystem Size…
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OCI: How To Run a Filesystem Check On A Boot VolumeAPPLIES TO Linux OS – Version Oracle Linux 8 and Oracle Linux 9 Linux x86_64 on Oracle Public Cloud GOAL Run a file system check on another OCI Linux server’s boot volum…
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Useradd and usermod fail to flush the sssd cache with DB version too old for domain implicit_filesApplies to: Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 Symptoms After sssd upgrade, useradd and usermod fail to flush the sssd cache with "DB version too…
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How To Setup Cluster NFS Service with LVM For Corosyn&PacemakerApplies to:Corosync/Pacemaker Oracle Linux 8 and 9 Goal: This Document will describe how to setup a clustered NFS service on a Corosync/Pacemaker cluster using shared st…
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OCI - How to Avoid the Prelogin Messages on SSH Session: ssh opc@x.x.x.x “\S Kernel \r on an \m"APPLIES TO: Oracle Cloud Infrastructure Oracle Linux x86_64 SYMPTOMS: When using ssh to log in to a server, the following messages are showing before password prompt. lo…
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Oracle Linux Cloud Developer 8 compute instance image on OCI always free refuses ssh connectionSummary: Hello, I am having trouble connecting to a newly created compute instance of Oracle Linux Cloud Developer 8. I have waited about 30 minutes and still cannot con…
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Oracle Linux: Resolving Missing Repositories During Oracle Linux 7 to 8 Upgrade Using LeappApplies to: Linux OS - Version Oracle Linux 7.9 Linux x86-64 Symptoms: After running the `leapp preupgrade --oci` command, the following errors and inhibitors appear in …
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OCI: OSMH Clients Not Receiving Latest UpdatesAPPLIES TO: Oracle Cloud Infrastructure Oracle Linux OSMH SYMPTOMS Nodes managed by OSMH are not receiving latest security available patches. E.G. If a node is patched o…
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OCI: How To Install Tomcat on Oracle LinuxApplies to: Oracle Cloud Infrastructure – Linux OS - Version Oracle Linux 7.0 and later Goal Steps for installing Tomcat and Apache on Oracle Linux Solution For Oracle C…
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Steps to changing the SSH port on Ubuntu and Oracle Linux compute instance on OCI Always Free?Summary: Attempting to change the SSH port on a newly created instance of Oracle Linux vm on the Oracle Cloud Infrastructure (OCI) Always Free tier using the VM.Standard…
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OSMH: “The registration attempt failed due to java.net.SocketException: Connection reset”Applies To: OS Management Hub (OSMH) Oracle Cloud Infrastructure Symptoms: OSMH On-Prem client instance registration failed with error below: # /opt/oracle/mgmt_agent/ag…
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OCI: YUM Commands Fail with KeyError: 'X-RHN-Auth-Expire-Offset'Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When attempting to execute yum commands such as 'yum update -y', the following err…
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Oracle Linux: Post Leapp Upgrade, Server Gets Stuck During Final Reboot.APPLIES TO: Oracle Cloud Infrastructure Oracle Linux SYMPTOMS: Leapp Pre-Upgrade and Upgrade steps where successfully completed, no errors or unexpected inhibitors repor…
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Yum OPENSSH Package Upgrade Fails with Error“unpacking of archive failed on file”Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Unable to update openssh-client & openssh-server packages and it reports error “unp…
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How to Configure setroubleshoot to Receive e-mail Reports for SELinux AVC DenialsApplies To: Oracle Cloud Infrastructure Linux OS Goal How to configure setroubleshoot to receive e-mail reports for SELinux AVC denials. Solution What is setroubleshoot?…