Category 631
Discussion List
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Ubuntu Instance Can't connect to MQTT service on port 1883APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. SYMPTOMS Oracle cloud server running a MQTT service… -
OCI: Users Are Unable to Do SSH Authentication on AD ServerApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 x86_64 and later Symptoms Some users are able to login with ssh via AD credentials, while …
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Secure way to do a sudo on linux serverSummary: We have a need to limit a linux user's ablilty to Sudo to specific other users We have 2 options for the Entry on /etc/suoders.d. Which among these you recommen…
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OCI: Instance Fails to Boot Latest Linux KernelApplies To Oracle Cloud Infrastructure Linux x86-64 Symptoms The instance fails to boot into the latest kernel after installing the latest RHCK kernel The latest kernel …
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OCI: Unable to Perform dnf updateSymptoms: “dnf update” fails with the following error: # dnf update Last metadata expiration check: 0:09:35 ago on Fri 11 Aug 2023 07:42:44 AM GMT. Error: Problem: packa…
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OCI: CUPS Not Printing Duplex After Migration Of Services From On-Prem OL6.10 to OCI OL8.6APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS CUPS is unable to do duplex printing on OL8 instance, i.e. multi-page jobs are not duplexing, but rather print …
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OCI: How to Run a Script During Boot in Ubuntu Linux 22.04Applies to: Oracle Cloud Infrastructure - Version N/A and later Ubuntu Linux x86-64 Goal There is a need to run a custom script to execute a set of commands during the s…
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OCI: Adding iSCSI Block Volume In a LVM "/" Filesystem Causes Reboot Of OS Into Grub PromptApplies To: Oracle Cloud Infrastructure Oracle Linux x86-64 Symptoms: When trying to SSH, receive 'connection refused’ error. Validating from console connection, it is s…
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OCI: Unable To Start nfs-server.serviceApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Not able to start nfs-server.service. # systemctl start nfs-server.service A depen…
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OCI: OSMS Fails with Error: "There was an error communicating with OSMS server"APPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS: Unable to download rpm packages via yum or dnf , gives below error $ dnf repolist There was an error commu…
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OCI DBaaS: Kernel Patches missing in DBCS instance using dbcli utilityApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: On OCI DBCS instance "dbcli get-availableospatches" shows no updates available, so…
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OCI Linux: Mount Command Failed with Error "mount: can't find LABEL=VAR"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 Symptoms: This issue occurred during Exadata P…
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OCI : Unable To Copy Large Files To FUSE/S3FS Mounted Object StorageApplies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Symptoms Customer is able to copy small files. But …
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OCI: How to Disable IPv6 on Oracle Linux Using GrubbyApplies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal The goal of this document is to document …
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OCI: How To Install psutil Offline without using pip3 and InternetApplies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-6 Goal The goal of this document is to Install ps…
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OCI: SSH login fails with "Network error: software caused connection abort"APPLIES TO: Oracle Cloud Infrastructure Linux OS GOAL: This document describes how to access Oracle Linux instance when encountering error - Network error: software caus…
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OCI : Convert RHEL7 to Oracle Linux 7 RepositoriesApplies To Oracle Cloud Infrastructure Linux OS Goal How to convert RHEL7 to Oracle Linux 7 Repositories Solution To install Oracle Linux 7 packages from Oracle Linux yu…
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OCI: "linux-config" Package Update Starts The firewalld serviceApplies TO Oracle Cloud Infrastructure Linux OS SYMPTOMS oci-linux-config package updated to the version 2.0-1.0.25.el8.noarch started the firewalld service $ systemctl …
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OCI: How to Configure RSYSLOG to Use UTC Timezone?Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal How to configure RSYSLOG to use UTC timezone? The default rsyslog time zone is the loca…
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Oracle Linux - ClamAV Package Update with Dependencies ErrorApplies To: Linux OS–Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Oracle Cloud Infrastructure - Version N/A and later Symptoms: Oracle Linux 7.9 wit…
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OCI : How to Configure ACL on an OCI FSS (OCI File Storage Service) ShareAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 GOAL Provide read-only or any specific permission for an/few users account/accounts SOLUTION OCI FSS (OCI File Storag…
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How To Troubleshot Login Problems Caused by .bashrcApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal If the configuration of .bashrc cause it to exit, that can cause problems like preventi…
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OCI: Cgroup Memory Corruption on UEKr4 KernelsApplies to: Oracle Cloud Infrastructure Symptoms On a system with kernel UEKr4, the out-of-memory killer ( oom-killer ) killed a process due to its memory usage [ 315.23…
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How To Configure DB Nodes to Generate VMCore on iSCSI Boot DiskApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal Database nodes that boot from iSCSI need special configuration to be able to create vmc…
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OCI: Unable To Mount Block Volume To Multiple Linux InstanceAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Customer is getting an error while mounting a block volume restored from a backup [root@xxxxxxxxxxx-7-8 ~]#…
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OCI: How To Clean Or Free Space In /boot Filesystem In Oracle LinuxAPPLIES TO: Oracle Cloud Infrastructure Oracle Linux GOAL How To Clean Or Free Space In /boot Filesystem In Oracle Linux [root@ server0 opc]# df -hT /boot Filesystem Typ…
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OCI: How to Create Network Route Rule Persistent Across OS Reboot Or Network Service RestartAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 GOAL To create Network Route rule configuration to be persistent across Linux OS reboot. Route rule temporarily added…
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Oracle Linux – How To Return From Grub Prompt To The Grub MenuAPPLIES TO: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud GOAL: This document describes how to return …
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OCI: Shape Change Job Fails At the TASK “Apply Kernel Upgrade” In a DBaaS InstanceApplies: Oracle Cloud Infrastructure Database Cloud Service Symptoms: When trying to Shape Change from “VM Standard2.1” to “VM Standard Flex”, the Job fail with the task…
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OCI: Unable to Login to Linux Instance via LDAP/AD CredentialsApplies To: Oracle Cloud Infrastructure Database Cloud Service Symptoms: Unable to SSH OCI Oracle Linux Instance using LDAP/AD credentials, and receive below error messa…