Category 631
Discussion List
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OCI-Instance Fails to Boot and Drops to “Shell>” PromptApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The system was rebooted and the following seen at the Console: UEFI Interactive She… -
OL: How To Execute Python2 script on Oracle Linux 8Applies to: Oracle Linux - Version 8 Goal Some Python script imported from older versions of Oracle Linux might still use Python2. Python2 is not compatible with Python3…
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OCI - How to Create a Recovery Instance for use in OL8 Boot Volume RecoveryApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 Goal: This document outlines the steps required to create a temporary Oracle …
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OCI: SAR report “/var/log/sa/” not generating after upgrading instance to Oracle Linux 8APPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Why is SAR report “/var/log/sa/” not generating after upgrading to OL8? CAUSE Required sysstat services are…
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OCI: Instance Crashes After Exiting From Single User ModeApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms After booting to single user mode by adding "init=/bin/bash" to the kernel command line. On finishing the s…
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OCI : OSMH returns Http Status Code: 400. Error Code: MissingParameterApplies To: Oracle Cloud Infrastructure OSMH Management Stations Symptoms: When trying to register an OSMH Management station it shows the following error: 2024/05/29 13… -
OCI: After OL8 upgrade instances becomes inaccessible in network and need a rebootAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS After upgrading the instance from OL7 to OL8, the instance is not accessible via ssh frequently and it must…
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Unable to change the password Error:User not known to the underlying authentication moduleApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: Unable to change the passwd of root user root@test# passwd …
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OCI: Instance fails to boot “Failed to remount '/' read-only: Device or resource busy"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Instance crash while generating sosreport and fails to boot. #sosreport --batch --a…
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OCI: Instance Unable to boot with error “Warning: /dev/mapper/ocivolume-root does not exist”APPLIES TO Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Instance is not booting after a reboot, and it reports error below in the console log [ 208.548561] dracut-i…
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OCI: Differences in Size Reported by Object Storage Bucket "s3fs" in OL7 and OL9 Instance.APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL: Difference in the size reported by the object storage bucket "s3fs" in Oracle Linux 7 …
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Oracle Linux - OCI-How To Run a xfs_repair On a non-root FilesystemApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: If an XFS file system cannot be mounted, the xfs_repair command can be used to repair …
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VM Creation Failure on BM Hosts: "Server Does Not Have Supported Environment for Guest Creation"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms When running the following command ‘oci-kvm create --domain ‘ to create a VM within…
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OCI- How to upgrade/Install kernel in Ubuntu 22.04.2 LTSAPPLIES TO: Oracle Cloud Infrastructure Linux OS Ubuntu Goal Upgrade the kernel version from Linux 5.15.0-1034-oracle x86_64 to latest generic kernel which is kernel 5.1…Baisakhi Mahapatra -Oracle 652 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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OCI- Unable to ssh to Instance with Error "Failed to remount '/' read-only: Device or resource busy"Applies To: Oracle Cloud Infrastructure Linux OS Symptoms It is not possible to connect to instance with ssh. The console history for the instance shows the below error …
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OCI: How to Deallocate HugepagesApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to deallocate Hugepages if they are not bein…
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OCI- Logrotate is not working in Oracle LinuxAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS System logs aren't rotating weekly: /var/log/messages /var/log/boot /var/log/secure Exp : Expected result -rw--…
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Oracle Linux - Postfix - showq: bad command startupAPPLIES TO: Oracle Linux 7 to Oracle Linux 9 Linux x86_64 on Oracle Public cloud SYMPTOMS: The command mailq hangs and no output is sent STDOUT. $sudo systemctl status p…
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OCI: How to Add/Change Kernel Parameters in Oracle LinuxApplies To: Oracle Cloud Infrastructure Linux OS Goal: Whether optimizing Linux system performance or satisfying application system requirements, the Linux kernel can be…Baisakhi Mahapatra -Oracle 112 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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OLAM: SSH Connectivity Issues From OLAM WebUI to Managed Hosts With Error "No route to host"APPLIES TO: Linux OS – Version Oracle Linux 8.0 to Oracle Linux 9.0 Linux x86_64 SYMPTOMS: ssh connectivity from "OLAM" WebUI to managed hosts while running playbook fai…
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OCI- Unable to ssh to instance with error "[FAILED] Failed to start Login Service"APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS Console history shows below error : [FAILED] Failed to start Login Service. See 'systemctl status systemd-login…
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OCI: Unable to Start pmcd.service with "status=2/INVALIDARGUMENT"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: pmcd.service failed to start. From the "journalctl" output, it revealed an error m…
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Extending sda Partition With Growpart Utility Fails With Error "no tools available to resize disk"APPLIES TO: Oracle Cloud Infrastructure - CentOS 7 Linux x86-64 SYMPTOMS Extending sda3 partition with growpart utility Fails with Error in Centos 7 OCI instance [root@x…
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OSMH: Instance Registration Failed with Error “Http Status Code: 404. Error Code: NotAuthorizedOrNotAPPLIES TO OS Management Hub (OSMH) Oracle Cloud Infrastructure SYMPTOMS Enabling OSMH Plugin fails with error below: failed to start osmh-agent with lookup image failed…
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OSMH: Managed Instance Fails to Download Packages with Error "Status code: 502"Applies To: OS Management Hub (OSMH) Oracle Cloud Infrastructure Information in this document applies to any platform. SYMPTOMS The OSMH managed instance is registered w…
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OCI: Yum/DNF Command Failed With Error "Curl error (6): Couldn't resolve host name for https://yum..APPLIES TO Oracle Cloud Infrastructure Linux OS SYMPTOMS “yum” command fails as it cannot resolve the URL contained in the “repo” file $ yum update Oracle Linux 8 BaseOS…Baisakhi Mahapatra -Oracle 466 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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OCI: Error "mount: can't read superblock on /dev/mapper/****" After Detaching iSCSI/Block VolumeApplies To: Oracle Cloud Infrastructure Linux OS Symptoms When attempting to mount an LVM based filesystem using the command: $ sudo mount /dev/mapper/ /u0X the followin… -
Oracle Linux – "ls -l or du" Commands Hung in NFS ShareAPPLIES TO: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud SYMPTOMS: NFS share mounted on Oracle Linux …
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OCI: Disabling IPV6 Causes a Lot of Errors in Logs "no IPv6 link local address to retry after"APPLIES TO: Oracle Linux Cloud Service - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure Information in this document applies to any platform. SYMPTOMS Af…