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Linux
Discussion List
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OCI:Leapp Preupgrade Reports 'Oracle RDMA detected, but OL9 RDMA repository has not been enabled"Applies To: Oracle Cloud Infrastructure Oracle Linux 8 Symptoms The leapp preupgrade for Oracle Linux 8(OL8) to Oracle Linux9(OL9) reports the following risk: /var/log/l… -
OCI- kernel: CIFS VFS: Close unmatched openAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS On the system, /var/log/message log shows below error related to cifs -- cat /var/log/messages|grep -i cifsJan …
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Unable to SSH to ubuntu EC2 instance.Summary: After restarting the EC2 instance from OCI console. I'm not able to access it through SSH and getting following error "Network error: Connection timed out". But…
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Oracle Linux yum/dnf Diagnostic GuideApplies To: Oracle Linux 8 and 9 Goal: This is a guide to diagnose common YUM/DNF problems. Solution: Known problem and solution for DNF/Yum. DB Corruption Refer to disc…
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OCI: OSMH Plugin not available “Plugin OS Management Hub Agent not present for instance ocid”Applies To: Oracle Cloud Infrastructure OS Management Hub (OSMH) Symptoms Oracle Cloud Agent or OS Management shows OS Management Hub agent not available for an existing…
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Oracle Linux - Unable To Access Samba Share Due To Kerberos "Preauthentication failed"APPLIES TO Linux OS - Version Oracle Linux 7.9 and later Linux x86-64 Oracle Cloud Infrastructure SYMPTOMS Unable to access samba share from Linux instance where the beh…
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OSMH: The Update Job Fails “Job marked as FAILED by service - timeout 24 hours waiting IN_PROGRESS"Applies To: Oracle Cloud Infrastructure Oracle Linux Symptoms While performing patching of an instance through OSMH, the job fails with below error. Job marked as FAILED…
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OCI- Kdump service is not starting in an Oracle Linux 8 System when secure boot enabledAPPLIES TO Oracle Cloud Infrastructure Linux OS SYMPTOMS Kdump service failed and is not starting up in an Oracle Linux 8 System when secure boot enabled on the system $…
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OCI: Kdump Service Fails to Start on Oracle Linux 8 ServerAPPLIES TO: Oracle Cloud Infrastructure Linux OS Symptoms kdump service fails to start with the following error messages. [root@xxxxx ~]#systemctl status kdump ● kdump.s…
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Oracle Linux - How to troubleshoot NFS mount timeout?APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS When attempting to mount an NFS share, the connection times out or says no route to host. Example: mount.nfs: m…
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OSMH: The Jobs Failing With [Errno 14] HTTPS Error 404 - Not Found Trying Other Mirror.APPLIES TO Oracle Cloud Infrastructure Oracle Linux OSMH SYMPTOMS While migrating from OSMS to OSMH, the jobs are failing with below error. $ yum repolist Loaded plugins…
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OCI: Yum Update fails due to Incorrect Plugin ConfigurationApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Unable to perform yum update due to legacy configurations in place. $ sudo yum upd…
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osmhSummary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
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OCI: Unable To Update kernel-uekApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms Performing command to update only kernel-uek does not do anything $ sudo yum update kernel-uek Dependencies…
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OSMH: High CPU usage for Windows osmh ProcessApplies to: Oracle Cloud Infrastructure - Version N/A and later Windows 2016 and Above Symptoms There is a high CPU load on the OSMH managed instance. The top 10 CPU hog…
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OCI : YUM Command Fails with Error “No module named sqlitecachec”Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The below error is seen while running the dnf update command. [root@xxxx]# yum Ther…
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OCI: SELinux Unable to relabel filesystemApplies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: Unable to login to the instance due to issues with selinux labels. Multiple "avc: denied" messages detecte…
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PV versus iscsiHi Team, Can some one help us yo verify whether our storage is iscsi or PV from below output. [root@restore ~]# dmesg | grep -i iscsi [ 0.000000] Command line: BOOT_IMAG…
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OCI Linux: Not Able Access Instance due to /etc Directory Permission Change (chmod -R 777 /etc)Applies to: Linux OS - Version Oracle Linux 7.9 and later Linux x86-64 Symptoms: /etc directory permission was accidentally changed to 777 by running command below and u…
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Oracle Linux: Resolving VM Hang Due to Memory Exhaustion Caused by Fluentd OOM ErrorsApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: The VM became inaccessible via PuTTY/SSH and appeared to hang. Critical processes (such as SSSD for authentica…
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OCI: Mounting NFS Filesystem Fails With Error "mount.nfs No such device."Applies To: Oracle Cloud Infrastructure Linux OS Symptoms: Unable to mount NFS share, getting this error: # mount x.x.x.x:/NFS/Share /mountpoint -vvv ... mount.nfs: time…
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restoring block volme to new serverHi Experts, This is a compute machine having OracleLinux 8 version of os. We have a created a block volume from block volume backup. We are attaching it to new instance …
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Grub passwordSummary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
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Autonomous Linux patching fails with error ”fork/exec /usr/bin/ksplice: no such file or directory:”Applies to: Oracle Cloud Infrastructure OS Management Hub(OSMH) Autonomous Linux Symptoms: Autonomous Linux patching fails with following error in OSMH failed job log fo…
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OSMH:Unable to Update Packages on OCI OS Management Hub Instance using OCI CLI commandsApplies To: Service: OS Management Hub (OSMH) Version: N/A and later Platform: Linux x86-64 Symptoms When attempting to update packages on an instance using the OCI CLI …
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Linux: How To Authenticate docker/Podman CLI Using Auth Token Feature in Oracle Container RegistryApplies to: Linux OS Oracle Cloud Infrastructure Goal This document provides details about Auth Token feature in Oracle Container Registry and how to generate, delete et…
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cannot install bothSummary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
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Linux: Resolving "/lib64/libstdc++.so.6: version 'GLIBCXX_3.4.xx' not found" ErrorApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: When attempting to install or run an application, you may encounter errors similar to the following: /lib6…
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Oracle Linux - leapp upgrade fails with "Error: conflicts with file from package"Applies to: Oracle Cloud Infrastructure Oracle Linux 7 Symptoms: leapp preupgrade completed successfully but leapp upgrade fails with the following messages: Error: Tran…
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Linux: Installing 3rd Party Package Fails with Missing Dependency Errors for libc.so.6Applies To: Oracle Cloud Infrastructure Oracle Linux ARM64 Symptom Installing a 3rd party RPM package in Oracle Linux 7 OCI instance results in dependency errors: $ rpm …