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Linux
Discussion List
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OCI: Application error: "invalid SSH version: OpenSSH version must be greater or equal to <number>"Applies To: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux x86-64 Symptoms: While executing a 3rd party application in a Oracle Linux 9 instance in OCI… -
Oracle Linux: SSHD Service Failed Start With Error "sshd[ ]: OpenSSL version mismatch."APPLIES TO Oracle Cloud Infrastructure Oracle Linux SYMPTOMS The SSH service cannot come up with below error. --$ journalctl -xeu sshd.service sshd[37600]: OpenSSL versi…
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Oracle Linux – OSMH Update Fails due to OL7 Package Dependency ConflictAPPLIES TO: Oracle Cloud Infrastructure OS Management Hub (OSMH) SYMPTOMS: OSMH update job fails with the following error: exit status 1: Error: transaction check vs dep…
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Oracle Linux: How To Change Default Module StreamApplies to: Oracle Cloud Infrastructure Oracle Linux 8 and Later Goal: This document explains steps to change default module stream. Solution: By default, the dnf utilit…
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OL8: How To List All Modules via DNF in OL8 And Check If They Are Enabled or Disabled?Applies to: Oracle Cloud Infrastructure Oracle Linux 8 and Later Goal Oracle Linux 8 (OL8) distributes sets of related RPM packages that form a logical unit (such as dif…
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OCI: How to Configure Static Routes at Boot Time in Oracle LinuxAPPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL This document describes how to configure static routes at boot time in Oracle Linux. SOL…
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OCI: Oracle Linux Instances Can Observe High Usage Inside /var/tmpApplies To: Linux x86-64 Oracle Cloud Infrastructure Symptoms: Frequently, on Oracle Linux instance, the /var/tmp directory can be seen as taking up a lot of space. Caus…
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Oracle Linux - Cannot find Ksplice Uptrack information for your kernel versionAPPLIES TO: • Oracle Linux running UEK kernel • Systems using Ksplice and managed by OSMH SYMPTOMS: Ksplice fails with the following error during patching or OSMH job: e…
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OCI: OL7 Leapp Preupgrade Shows Error “Inhibitor (High) for BTRFS RAID detected” in the LogfileAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS While performing the pre-upgrade check for an OL7 instance before upgrading to OL8 via leapp, the following…
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OCI: Resizing the EXT filesystem fails with “resize2fs: Permission denied to resize filesystem"Applies To: Oracle Linux Cloud Service - Version Oracle Linux 6.0 and later Oracle Cloud Infrastructure Information in this document applies to any platform. Symptoms: R…
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OSMH – Reboot needed flag doesn’t show yes after the patching on OSMH instancesAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS The customer applied patches (yum/dnf update) via OSMH. But reboot needed flag doesn’t show ‘yes’ CAUSE OSMH…
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OCI: Unable to Remove Python2 Packages After Upgrading from OL7 to OL8Applies To: Oracle Cloud Infrastructure Oracle Linux 8 Symptoms: Attempting to remove python2 rpm using DNF results in a dependency error: #sudo dnf remove python2 Error…
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OCI: Memory discrepancy for the Linux Instance between OCI console and the ‘free’ OutputApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms Below are the instance details on the OCI Console: "Shape":"VM.Standard.E2.1.Micro", "OCPUs":1,"Memory (MB)…
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Issue with apt-get on Ubuntu 22.04 LTS running on ARM64 (Ampere) platformI have been running Ubuntu 22.04 LTS instance on ARM64 Ampere platform for a while and kept Ubuntu up to date using the following command: sudo bash -c 'for i in update …
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Unable to connect to Oracle Linux 7.9 using the serial console connection for cloud sheelHi Team, We are trying to reset the key pair for opc user and following the document from Oracle i.e. Troubleshooting Instances Using Instance Console Connections but wh…
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OCI: DST Timezone Change is Not Taking Effect on Linux InstancesApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms: After the Daylight Saving Time (DST) transition, the system time on OCI Linux instances remains unchanged …
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OCI: How To Convert iptables to nftablesApplies to: Oracle Cloud Infrastructure Linux x86-64 Oracle Linux 8 and above Goal: This document outlines the steps required to convert iptables rules to use nftables. …
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How To Change OSMH checkUpdatesInterval valueApplies To: Oracle Cloud Infrastructure OS Management Hub (OSMH) Goal: How to : How To Change OS Management Hub checkUpdatesInterval value. Solution: The default checkUp…
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OCI: sudo Dails in Ubuntu Instance with "sudo: /etc/sudo.conf is owned by uid 1001, should be 0”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS Unable to run sudo using ubuntu user in OCI ubuntu instance ubuntu@:~$ sudo su - su…
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OCI: Instance Reporting iscsi Error "Connection Failed, Connection Refused"Note: "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 Linux x86-64 Sy…
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OSMH: Available ELSA/ELBA or Updates Missing From a Managed InstanceNote!!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 OS Management Hub…
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OSMH: Management Agent Installation Fails with Error: "Job for mgmt_agent.service failed"Note!! 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 an…
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OCI: YUM Commands Fails with Error “ ImportError: libgnutls.so.30: cannot open shared object file"Applies To: Oracle Cloud Infrastructure Oracle Linux Symptoms: While performing the commands like yum, its fails with the following error: [root@localhost ~]# yum repoli…
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OSMH: "Plugin oci-osmh waits when plugin osms is enabled."Note!! 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 OS Management Hu…
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OCI: Error “systemd[1]: Started Crash recovery kernel arming” in the System LogsNote!! 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 Oracle Linux Sym…
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OCI: How to Configure Password Authentication in Oracle Linux 9Note!! 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 Oracle Linux 9 G…
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OCI: How to Upgrade Oracle Linux 9 to Oracle Linux 10 using leappNote: 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 Linux x86-64 Orac…
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OCI: ssh Fails with "kex_exchange_identification: read: Connection reset by peer"Note!! 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 an…
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Oracle Linux: Block Volume Name Change After RebootNote: 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 Oracle Linux Symp…
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OCI: yum Reports "No package leapp-upgrade available" While Installing Leapp UtilityNote!! 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 Oracle Linux 7 S…