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Discussion List
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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… -
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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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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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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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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OCI: How to Disable IPv6 on Oracle LinuxApplies To: Oracle Linux Cloud Service - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure Goal: This document explains steps to disable IPV6 in Oracle Linu…
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OCI: Sudo Fail With Error "sudo:unable to write log file:/var/log/sudo.log: No space left on device"APPLIES TO: Linux OS Oracle Cloud Infrastructure SYMPTOMS: Oracle Linux instance with no space left in the root filesystem “/” showing up sudo errors: $ sudo su - sudo: …
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OSMH: Unable To Register Management Station With OS Management HubAPPLIES TO Os Management Hub (OSMH) Oracle Cloud Infrastructure SYMPTOMS NOTE: Setting up a OCI instance as a management station is not recommended. Ideally the manageme…
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OCI: Non-Root User Unable to Create Files in OCIFS FilesystemApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms For this case, the bucket name is bucket1 and is mounted on /ocifsmnt filesystem. Non-root user "opc" is un…
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OCI - Error messages in log file /var/log/messages "scsid: iscsid: session with sid 1 not found"Applies To Oracle Cloud Infrastructure Linux OS Symptoms var/log/message file is showing below messages multiple times. $ cat /var/log/message: iscsid: iscsid: session w…
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OCI/Linux – faillock Command Does Not Display AnythingApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: faillock(8) command does not display any output for individual users. [root@XXXX ~]# faillock [root@XXXX ~]# C…
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OCI: How To Copy All Data Across Two Filesystems Using "rsync" CommandApplies To Oracle Cloud Infrastructure Linux OS Goal Two different filesystems are mounted in a Linux system, for example: /mnt1 /mnt2 There is a need to copy all the da…
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OCI: Unable To Switch to root User from opc UserApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: Can't switch from opc user to root user. sudo(8) fails with: "sudo: /bin/sudo must be owned by uid 0 and have …Baisakhi Mahapatra -Oracle 112 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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OCI: BareMatel Server Rebooted with Kernel panic - not syncing: Timeout during microcode update!APPLIES TO Oracle Cloud Infrastructure Linux OS SYMPTOMS BareMetal servers rebooted automatically post patching. We see the following logs messages file: Feb 16 15:59:49…
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OCI - OOM (Out-Of-Memory) is Killing dnf on Newly Created Compute Instance while Performing dnfAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS While performing dnf install , OOM ( Out-Of-Memory ) is killing dnf command on newly created Oracle Linux 8 com…Baisakhi Mahapatra -Oracle 939 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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How to Read the dnf history Output?Applies to: Linux OS - Version 8 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal Possible values and descriptions of the columns shown wh…
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OCI - How To Disable Password Quality Checks in Oracle LinuxApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: By default, when creating a password for a user in Oracle Linux, multiple password quality checks are enforced…
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How to validate that sudoers files and its included files have the correct syntaxAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 GOAL: When editing /etc/sudoers file it is recommended to do it with visudo since it validates the syntax for errors…
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OCI – Yum Update Error: <URL>: [Errno 14] HTTP Error 403 – Forbidden Trying other mirror.APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS yum update oryum repolist command showing error HTTP Error 403 – Forbidden Trying other mirror # yum repolist L…
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OCI: How to Enable Password Based Authentication on Ubuntu 22.04 InstanceApplies To: Oracle Cloud Infrastructure - Version Ubuntu 22.04 and later Goal: Enable password authentication on OCI Compute Ubuntu Instance. Solution: Login to OCI Comp…
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OCI: User Exceeded Maximum Active ConnectionsApplies to Oracle Cloud Infrastructure Linux x86-64 Symptoms The following is seen in the /var/log/messages logs: Apr 26 08:58:42 usiadecnobiap01 dbus-daemon[1675]: [sys…
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OCI: How to add secondary AD servers in SSSDAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 GOAL: By default SSSD only allows a primary and a secondary AD using ad_server_primary ad_server_backup To add more …
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OCI: Yum Update Is Ending Up With Error Error Package tuned-profiles-oci (@ol7_optional_latest)Applies to: OCI Compute - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Symptoms: #yum update Loaded plugins: langpacks, ulninfo Resolving Dependen…