Category 631
Discussion List
-
Oracle Linux: Unable to Send Email using the mailx Program after an Exadata Upgrade.Applies To: Oracle Cloud Infrastructure Oracle Linux x86_64 SYMPTOMS: Unable to send email using the mailx program after an Exadata upgrade. CAUSE: When sending an email… -
home/ubuntu owner changed to opc so SSH connection as ubuntu failsPlease someone help: problem is that after a reboot "something" is changing user/group of the /home/ubuntu folders from ubuntu/ubuntu to opc/opc. This deativates ssh log…
-
OCI: SSH Login Failure with "Permission Denied (Publickey)" Error on Ubuntu InstanceApplies To: All Users Oracle Cloud Infrastructure - Version N/A and later Symptoms: The SSH login to the Ubuntu instance using the ubuntu user is failing with the follow…
-
OCI: How To Restrict a Package to a Fixed Version Using yumApplies To: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux x86-64 Goal This document describes how to lock a package to a fixed version so that it can …
-
Oracle Linux: How to Enable Post Quantum Cryptography (PQC) in Oracle Linux 10Applies To Oracle Cloud Infrastructure Oracle Linux 10 Linux x86_64 Question How to enable Post Quantum Cryptography (PQC) feature, which is available in technology prev…
-
Oracle Linux: How to Configure RDP Server in Oracle Linux 10APPLIES TO Linux OS - Version Oracle Linux 10 GOAL From Oracle Linux 10 (OL10) onwards, there is no VNC server available. It is replaced by RDP (Remote Desktop Protocol)…
-
OCI: SSH Connection Fails with "Remote side unexpectedly closed network connection"Applies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: The ssh session fails after entering the username. The authentication process waits for few seconds and th…
-
Oracle Linux: How to Configure XRDP Server for GNOME Desktop SessionApplies To: Oracle Cloud Infrastructure Oracle Linux x86_64 Rocky Linux x86_64 Summary: This document explains steps to configure XRDP service. So that Desktop session c…
-
Oracle Linux - How to remove old unused kernels (UEK and RHCK)Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 – Oracle Linux 9. Goal: Remove old unused kernels to avoid /boot partition to…Alejandro Rodriguez L.-Oracle 4.2K views 2 comments 0 points Most recent by Govinda-OL_OCI-Oracle Linux -
MakefileException Exception String: Error in invoking target 'libasmclntsh19.ohso libasmperl19.ohsoSummary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
-
Oracle Linux: Error "kernel: i40e : Module type unrecognized" are reported for NIC InterfacesApplies To Linux OS - Version Oracle Linux 8.0 and later Linux x86-64 Symptom /var/log/messages reports the below errors for multiple NIC interfaces: kernel: : Module …
-
OSMH–Onprem instance registration fails error “The registration attempt failed with HTTP Status 403"Applies to:Oracle Cloud Infrastructure Linux x86-64 Symptoms: The customer is registering on premise client instance with OSMH management station. But failed with the fo…
-
NetworkManager Fails with Errors "NM_CONTROLLED: command not found" and "invalid line ignored"Applies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: After rebooting the OCI instance, NetworkManager.service does not start automatically. As a result, Networ…
-
OSMH: kexec-tools: Interrupted by header callback: Inconsistent server dataApplies To: Oracle Cloud Infrastructure - Version N/A and later OS Management Hub (OSMH) Symptoms: Oracle Linux instance under OSMH control reports the following error d…
-
Oracle Linux: rhn-plugin Error Observed on Oracle Linux Instance Registered to OS Management HubApplies To Linux OS - Oracle Linux 7.0 and above. Summary Instance is managed via OS Management Hub in Oracle Cloud Infrastructure (OCI) and the below error occurs durin…
-
OCI: ExaCC Linux Instance Crashed with "Kernel Panic: NULL Pointer Dereference" in trailing_symlinkApplies: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux Server Release 7/8 Symptoms: ExaCC instance with UEK6 kernel version 5.4.17-2136.336.5.3.2.el8u…
-
Oracle Linux – Cloud Shell connection no longer works after OS Hardening Applies to: Oracle CloudApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7/8/9 Goal: Restore Cloud Shell connection to a working state after applying an OS hardening…Alejandro Rodriguez L.-Oracle 4.8K views 1 comment 1 point Most recent by Narasimharao Popuri-Oracle Linux
-
OCI How to disable yum repos from the command lineNote: "Please register a free account to access the full content and also to participate in Q&A in the community” Applies to: Oracle Cloud Infrastructure - Version N/A a…
-
OCI: In Oracle Linux 7/CentOS 7 Instances, /etc/resolv.conf Gets Wiped After the First RebootApplies To: Oracle Cloud Infrastructure Oracle Linux Server release 7 Symptoms: The /etc/resolv.conf file is wiped out after the first reboot in Oracle Linux 7 /CentOS 7…
-
Oracle Linux: Boot Volume Resize in OCI Does Not Reflect Increased Size in the OSApplies To: Oracle Linux 7, 8, and 9 Oracle Cloud Infrastructure Symptoms: After increasing the boot volume size in OCI, the instance still shows the old disk capacity. …
-
Oracle Linux: systemctl shows 'Authorization not available'(DBus/Polkit/Journald recovery after OOM)Applies To: Oracle Cloud Infrastructure Oracle Linux 7 and later Symptoms: • Running 'systemctl daemon-reload' prints: Authorization not available. Check if polkit servi…
-
Oracle Linux: System RAM does not Match with the Value in OCI ConsoleApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 and later Goal: Understand why Oracle Linux does not show the same amount of Memory (RAM) …Alejandro Rodriguez L.-Oracle 26 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
-
Oracle Linux: SSH login delay (~30s)Applies To: Oracle Linux 7 and later Symptoms: Users report SSH takes ~20–30 seconds to log in after boot, even though the OS finishes booting quickly. systemd-analyze b…
-
how can we mount the boot volume backup on same server in oel 9Summary: We have taken backup of boot volume and trying to mount on same server for data restoration. unable to mount. getting mount: /old_boot: unknown filesystem type …
-
Oracle Linux: How to Downgrade Multiple RPM Packages to Match a Good Known SystemApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 8 and later Goal: This document explains steps to downgrade multiple RPM Packages to match a…Alejandro Rodriguez L.-Oracle 20 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
-
Oracle Linux: Install and Access Cockpit using Root AccountApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 8 and later versions Goal: Access Cockpit to facilitate the administration of the system usi…Alejandro Rodriguez L.-Oracle 21 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
-
After Adding a New GRUB_CMDLINE_LINUX to /etc/default/grub System Is Not Booting as ExpectedApplies To: Oracle Linux 7 and Later Symptoms: A new GRUB_CMDLINE_LINUX line was added to enable "audit=1", in /etc/default/grub After that, the boot change and the netw…
-
Oracle Linux: How To Setup a OCFS2 on LVM in a Corosync/Pacemaker clusterApplies To: Oracle Linux 8 Oracle Cloud Infrastructure Goal: This Document will describe how to set up a clustered filesystem accessible simultaneously on both nodes usi…
-
Oracle Linux: Active Directory User Fails to Login with Error "Permission Denied"Applies to: Oracle Linux Symptoms: While trying to login as an Active Directory user, the user is unable to login and receives a "Permission Denied" message. /var/log/se…
-
Oracle Linux – Using GNU Parallel command to improve backup(s) to an NFS ServerAPPLIES TO Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7/8/9 GOAL Improve network throughput and reduce times to backup important data/information t…Alejandro Rodriguez L.-Oracle 11 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux