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Linux
Discussion List
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Oracle Linux - sudo: error in /etc/sudo.conf, line X while loading plugin "sudoers_policy"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When attempting to use sudo, the following error occurs: $ sudo systemctl status f… -
OCI: SSH Access Failure (“No route to host”) Due to Firewalld MisconfigurationApplies to: Oracle Cloud Infrastructure (OCI) Oracle Linux Instances Symptoms: When attempting to SSH into an Oracle Linux 8 instance on OCI, users encounter the followi…
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OSMH: OSMH Patching Does Not install the latest kernelApplies To: Oracle Cloud Infrastructure OS Management Hub (OSMH) Symptoms: OSMH reports "Nothing to update" during patching operations. Vulnerability reports indicate ol…
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Oracle Linux - "Operation Not Permitted" Error When Running Custom ScriptsApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When attempting to execute a script, the following error message appears: [root@lo…
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OCI: Enabling GRUB Menu Access on Ubuntu InstancesApplies To: Oracle Cloud Infrastructure (OCI) Ubuntu Linux Instances (20.04 and similar versions) Symptoms: When attempting to access the GRUB menu on an Ubuntu instance…
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OCI: Sudo Command Returns "sorry, you are not allowed to preserve the environment" errorApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms Running sudo command with "-E" option reports the following error. $ export MY_NAME=abcd $ sudo -E bash -c …
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OCI: OKE Oracle Linux instance hangs intermittently and mlx5_core: transmit queue 0 timed outApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: In OKE cluster environment Oracle Linux VM goes into hung s…
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Mounting Block Volume from VM to DBCS serverHi Experts, We are using Oracle Linux 8 in both the VM We are using OCI DBCS VM which is Base Database Service. We have a requirement to place application files daily in…
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Moved: Inbound connection to internal serverThis discussion has been moved.
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OSMH: Increasing the Limit for Custom Software Sources (CSS) in OS Management HubApplies to: Oracle Cloud Infrastructure (OCI) OS Management Hub (OSMH) All Supported Oracle Linux Versions Symptoms: Users attempting to create more than 50 Custom Softw…
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OSMH - Unable to Register Instance After MigrationApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: An instance was migrated from OSMS to OSMH, but the instance is not seen in the OS…
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Oracle Linux: "kernel: smp: csd: Detected non-responsive CSD lock” Messages in the System LogsAPPLIES TO Oracle Cloud Infrastructure Oracle Linux SYMPTOMS Below messages are noticed in the /var/log/messages: kernel: smp: csd: Detected non-responsive CSD lock (#1)…
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OSMH: Setting Up Dependency Jobs in OS Management HubAPPLIES TO Oracle Cloud Infrastructure OS Management Hub (OSMH) GOAL Explain job dependency limitations in OSMH. SOLUTION OS Management Hub does not currently support di…
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Oracle Linux: Serial Console Displaying Grub Error "you need to load the kernel first"Applies to: Oracle Cloud Infrastructure Oracle Linux 8 / Oracle Linux 9 Goal: To Restore Oracle Linux to a working state Symptoms: Error messages below are displayed whe… -
Oracle Linux - Unable to Boot - Warning: /dev/mapper/ocivolume-root does not existApplies To: Oracle Cloud Infrastructure Oracle Linux 7 / 8 / 9 Symptoms: Oracle Linux fails to boot ; Landing in Dracut shell. Console history shows : [ 193.309821] drac…
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OCI: Unable to Boot Instance, Getting Error "can't boot blockdev"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: Instance is not booting up and getting into emergency mode …
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SELinux Permission Denied Error When Writing Logs to Custom DirectoryApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS: The rsyslog service is failing to write logs to a custom directory (e.g: /u01/rsys…
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Linux: Tigervnc Configuration Fails With Error "No user configured for display"Applies To: Oracle Cloud Infrastructure Oracle Linux Symptoms: Tigervnc Configuration Fails With Error $ systemctl start vncserver@\:1.service Job for vncserver@:1.servi… -
OCFS2 Mount Fails with 'Cluster name is invalid while trying to join the group' ErrorApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: When a secondary network interface is being used for the heartbeat, the OCFS2 service does not mount the s…
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OCI: Unable to Mount File System Due to Error "Filesystem has duplicate UUID can't mount"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: mount(8) command is failing with below error: [root@xxxx ~]# mount /dev/sdg /plan_…
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OCI Oracle Linux: rescan command is failed on Linux after scaling up disk space from consoleSummary: we need to resize for OCI instance disk space, because /dev/sdb for mount point /u01/install/APPS is 100% full in this case, we are expanding an existing volume…
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OCI – Error Updating Package tuned-profiles-oci-2.22.1-4.0.1.el8_10Applies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 8 Symptoms While performing a dnf update, the following error occurs: Error: Problem: packag…
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OCI: Resolving Ksplice Update Failure Due to a Running Modified KernelApplies To: Oracle Cloud Infrastructure Oracle Linux Symptom: When applying Ksplice patches, the following error occurs: Cause: The osquery program was running on the se…
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OCI: uptrack-upgrade Reports "Cannot find Ksplice Uptrack information for your kernel version“Applies To: Oracle Cloud Infrastructure Linux OS Symptoms Running the uptrack-upgrade command reports no updates available as shown below. [root@XXXX ~]# # uptrack-upgra…
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Looking for rationale why versioned OSMH sources aren't available for OSMH groupsSummary: I have multiple customers who would love versioned OSMH sources that can be used with OSMH groups. The lifecycle environment approach isn't feasible because we … -
Autonomous Linux: OSMS End of Life FAQApplies To: Oracle Cloud Infrastructure Oracle Autonomous Linux OS Management Hub (OSMH) Goal: This document provides answers to frequently asked customers questions rel…
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OCI: SSH Fails with Error "identity_sign: private key /root/.ssh/id_rsa contents do not match publicAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS ssh fails with the following error: # ssh identity_sign: private key /root/.ssh/id_rsa contents do not match p…
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OSMH: Error "Invalid operation" While Applying Patch to a Group Using Custom Repo with kspliceApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The following error is seen with OSMH while applying a patch to a group using a cus…
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OSMH: Packages From 3rd Party/Private Software Source Does not Display in Instance Available PackageApplies to: Oracle Cloud Infrastructure OS Management Hub (OSMH) Symptoms After creating 3rd party software source for an external vendor repository, checking the instan…
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Oracle Linux: sysctl Command Hangs While Increasing HugepagesApplies To: Oracle Cloud Infrastructure Symptom: The sysctl command hangs when attempting to increase the number of hugepages. Cause: The system's memory has become frag…