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Linux
Discussion List
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OCI: Errors While Changing The Ownership Of Mounted OCI Storage Bucket Folder StructureAPPLIES TO Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. SYMPTOMS OCI storage bucket as SFTP folder structure… -
Manage OpenSSH server from CLI and configure SSH to automatically start during system boot [Linux]Summary: Manage OpenSSH server from CLI and configure SSH to automatically start during system boot Content: Install SSH service $ sudo apt-get install ssh Status from t… -
OCI: Failed to open runtime-journal No space left on deviceApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Sypmtoms System fails to boot and displays the following messages on the console: [ 66.09891…
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OCI: User Unable to Login using Password “pam_unix has expired (failed to change password)”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS Multiple users unable to login using password ---/var/log/secure-- Sep 25 12:36:27 …
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How to Disable Firewalld Service PermanentlyAPPLIES 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 outlines the steps to disa…
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where to download xorg-x11-apps rpm OEL8Summary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
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After instance reboot i get error and cannot connect to server end Kernel panic - not syncing: VFS:After instance reboot i get error and cannot connect to server end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) I get error after tryin…
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OCI: Removing Files in FSS is Not Reflected in df outputApplies To Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms After removing files from FSS storage mounted on an instance, the utilization is not…
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Error processing ksplice-faeqmmzh.tar.gzSummary: Content (required): Version (include the version you are using, if applicable): Code Snippet (add any code snippets that support your topic, if applicable):
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How to Change Default Kernel on GRUB2 Using the grubby ToolAPPLIES TO: Linux OS - Version Oracle Linux 7.0 and later Linux x86_64 on Oracle Cloud Infrastructure GOAL The purpose of this document is to explain how to make persist…
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linux default usersSummary: Hi all I want to know if it is safe to delete the Unix default oci users, opc for Oracle Linux and ubuntu for Ubuntu machines it does not affect any oci process… -
Oracle Linux - Unable to "su" to non-root userApplies to Linux x86_64 on Oracle Public Cloud Symptoms Unable to "su - user" from the "opc" user account, getting error message as below: [opc@instance] su - user Passw…
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Oracle Linux – Oracle Linux 8.8 instance cannot mount NFS Share.APPLIES TO: Linux OS – Version Oracle Linux 8.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud GOAL: Mount NFS Share. The rest of instances…Alejandro Rodriguez L.-Oracle 124 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle -
Oracle Linux – How to Increase Entropy ValueAPPLIES TO: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud UEK5 / UEK6 / UEK7 GOAL: Increase entropy va…Alejandro Rodriguez L.-Oracle 147 views 0 comments 2 points Started by Alejandro Rodriguez L.-Oracle
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Ubuntu & VNC.Hello CCC, I have Ubuntu 5.15 up and running in the OCI cloud. I installed X11 & tigervnc. I can unable to VNC connect to the Ubuntu server using an ssh tunnel & user ce… -
update ubuntu private instanceSummary: hi all I created a private Ubuntu instance using the Canonical-Ubuntu-22.04-Minimal-2023.08.27-0 image the image is connected to an public subnet and the vcn ha…
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OCI – Ubuntu 22 .04 LTS Instance Stops Responding 20 Minutes After BootApplies to: Oracle Cloud Infrastructure - Version N/A and later Ubuntu 22.04 LTS Symptoms Twenty minutes after being started, the instance stops responding completely – …
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Cannot Install Packages with Yum - “[Errno 14] curl#56 - "Callback aborted" - Trying other mirror.Applies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 x86_64 and later Symptoms System is hosted in Frankfurt region and not able to install pac…
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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…
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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: 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: 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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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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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: Yum Command Failed With Error "Curl error (6): Couldn't resolve host name for https://yum..."APPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOM The following “yum” command fails as it cannot resolve the URL contained in the “repo…
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Oracle Linux – High CPU Usage by Unknown Process Prevents Users to Login.Applies 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: Find out why users are not able to log…