Category 631
Discussion List
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OCI: Warning “systemd-udevd: worker /devices/virtual/block/dm-x is taking a long timeApplies To: Oracle Cloud Infrastructure Oracle Linux x86_64 Symptoms: Seeing following intermittent warning in /var/log/messages. There is no system performance issue no… -
How do I uninstall SQL Developer in Linux (& reinstall)Task: Installing Oracle Database 19c and OBIEE 12c on Windows and Linux VMs in OCI. Issue: How do I uninstall SQL Developer in Linux? I uninstalled and confirmed with th…
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OCI : Grubby commands fail with error "/usr/bin/grub2-editenv: error: invalid environment block"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 – Oracle Linux 9 Symptoms: Failed to change the default kernel [root@xxxx ~]#…
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Oracle Linux: How to Disable CBC Ciphers in SSHd server on Oracle Linux 8/9Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 – Oracle Linux 9. Goal: Disable CBC ciphers in openSSH server on Oracle Linux…Alejandro Rodriguez L.-Oracle 1.1K views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
OCI: Daylight Saving Time Not working on Instance With TimeZone “Africa/Cairo (EET, +0200)”APPLIES TO: Oracle Cloud Infrastructure Linux x86-64 Symptoms Daylight Saving Time changes are not taking effect in one of the instances whereas other instances are show…
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Oracle Linux – Oracle Linux is not able to mount a NFS ShareApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: Mount a NFS Share not working on an Oracle Linux system. NFS Server and NFS Client are in the same Network Seg…Alejandro Rodriguez L.-Oracle 167 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OSMH: Empty Software Source in Available Software Sources ListApplies To: Oracle Cloud Infrastructure OS management Hub (OSMH) Goal: Empty Software Source list during Custom Software Source Creation in OSMH Cause: Wrong or empty co…
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OCI: Repository Issues Detected After Leapp Upgrade From OL7 to OL8Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Unable to install/update packages after leapp upgrade as ol8_appstream is disabled.…
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Compute instanceHi Experts, Need your expertise. We have created a compute instance with oracle linux 8 image. Is it recommended to enable In-transit encryption? Is 100 GB sufficient fo…
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OCI: Password Authentication on Ubuntu Throws Error: No supported authentication methods availableApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: On Ubuntu 20.04, if the parameter “PasswordAuthentication y…
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Oracle Linux - How to relocate a Volume Group to a new block volume.Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 7 – Oracle Linux 9. Goal: Move a Volume Group to a new block volume Solution: $…Alejandro Rodriguez L.-Oracle 27 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OCI: How To Relocate Logical Volumes To A New Block Volume And Increase The SizeApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: Move a Logical Volume to a new block volume and grow the same filesystem Solution: Execute below steps as root…Alejandro Rodriguez L.-Oracle 18 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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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…
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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 701 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…