Linux
Discussion List
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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… -
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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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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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 457 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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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: 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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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 105 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 892 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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Postfix Cannot Start Due to "fatal: parameter inet_interfaces: no local interface found for ::1"Applies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms postfix.service cannot start due to t…Alejandro Rodriguez L.-Oracle 162 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
multiple public ips on oracle linuxSummary: How to assign more than two public IPs to a VM in OCI? Content (please ensure you mask any confidential information): dear community For load distribution reaso… -
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… -
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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How To Migrate A System From Oracle Linux Manager (OLM) To OS Management Hub(OSMH)Applies to: Oracle Linux Manager OS Management Service OS Management Hub Goal: Oracle Linux Manager (OLM) has been a common management solution for Oracle Linux customer…
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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…