Linux
Discussion List
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Linux: Resolving "/lib64/libstdc++.so.6: version 'GLIBCXX_3.4.xx' not found" ErrorApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: When attempting to install or run an application, you may encounter errors similar to the following: /lib6… -
Linux: Installing 3rd Party Package Fails with Missing Dependency Errors for libc.so.6Applies To: Oracle Cloud Infrastructure Oracle Linux ARM64 Symptom Installing a 3rd party RPM package in Oracle Linux 7 OCI instance results in dependency errors: $ rpm …
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Oracle Linux : Re-configuring Curl to Use OpenSSL Instead of NSS on Oracle Linux Servers.Applies To: Oracle Cloud Infrastructure Oracle Linux Goal: This document outlines the support status of Curl usage with OpenSSL instead of NSS on Oracle Linux servers. S…
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Unable to login to Linux/Ubuntu using SSH Don't have SSH KeysSummary: Having trouble logging into Linux/Ubuntu using SSH. I no longer have access to my laptop that had the SSH keys. Tried to follow "Oracle Linux – How to set up a …
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Oracle Linux - Leapp Upgrade Fails due to python3-pyasn1-0.3.7-6.el8.noarch packages conflictApplies to: Oracle Linux 7 Symptoms: Oracle Linux 7 to Oracle Linux 8 Leapp Upgrade Fails due to python packages conflict. Leapp upgrade report shows: Risk Factor: high …
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Oracle Linux - ssh_genkeytypes set to null in /etc/cloud/cloudApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms: While performing an update by executing sudo yum update this message is shown: warning: /etc/cloud/cloud.c… -
How to Use top Command to Check Swap UsageApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to use the top command to check swap usage f…
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OCI : How To Manually Install Oracle-Cloud-Agent on Ubuntu InstanceApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document explains steps to Install Oracle-Cloud-Agent on Ubuntu Instance. Solutio…
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OCI : dnf Command Fails with Error “/lib64/librpm.so.8: file too short”Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Below error is seen while running the dnf update command. [root@xxxx]# dnf update …
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OCI: sftp or ssh Connections Failing With "ssh_exchange_identification: Connection closed by remote"Applies To: Oracle Cloud Infrastructure Linux OS Symptoms: Intermittently unable to ssh to the server. The following error shows: # ssh server.example.com ssh_exchange_i…
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OCI: Error Unpacking RPM Package setup-2.x.x-x.noarchApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: yum(1) update fails with the following message: Running transaction Updating : setup-2.x.x-x.elx.noarch Error …
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OCI: OSMH Plugin Failed With Error "Plugin OS Management Hub Agent not present for instance"APPLIES TO: OS Management Hun (OSMH) Oracle Cloud Infrastructure SYMPTOMS Instance OSMH Plugin failed to start with error “OS Management Hub plugin message : Plugin OS M…
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OCI: The Time Stamp Recorded in the Vmcore and Reboot Log Messages Does not MatchApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: The sys command in crash utilities displays the reboot time as "DATE: Sun Oct 27 1…
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OCI: Extend Root Filesystem In Rocky LinuxApplies To: Oracle Cloud Infrastructure Rocky Linux x86_64 Goal: Extend the boot volume and partition for Rocky Linux to 100GB Current size 50GB: # df -h Filesystem Size…
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OCI: How To Run a Filesystem Check On A Boot VolumeAPPLIES TO Linux OS – Version Oracle Linux 8 and Oracle Linux 9 Linux x86_64 on Oracle Public Cloud GOAL Run a file system check on another OCI Linux server’s boot volum…
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How To Setup Cluster NFS Service with LVM For Corosyn&PacemakerApplies to:Corosync/Pacemaker Oracle Linux 8 and 9 Goal: This Document will describe how to setup a clustered NFS service on a Corosync/Pacemaker cluster using shared st…
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OCI - How to Avoid the Prelogin Messages on SSH Session: ssh opc@x.x.x.x “\S Kernel \r on an \m"APPLIES TO: Oracle Cloud Infrastructure Oracle Linux x86_64 SYMPTOMS: When using ssh to log in to a server, the following messages are showing before password prompt. lo…
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Oracle Linux Cloud Developer 8 compute instance image on OCI always free refuses ssh connectionSummary: Hello, I am having trouble connecting to a newly created compute instance of Oracle Linux Cloud Developer 8. I have waited about 30 minutes and still cannot con…
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Oracle Linux: Resolving Missing Repositories During Oracle Linux 7 to 8 Upgrade Using LeappApplies to: Linux OS - Version Oracle Linux 7.9 Linux x86-64 Symptoms: After running the `leapp preupgrade --oci` command, the following errors and inhibitors appear in …
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OCI: How To Install Tomcat on Oracle LinuxApplies to: Oracle Cloud Infrastructure – Linux OS - Version Oracle Linux 7.0 and later Goal Steps for installing Tomcat and Apache on Oracle Linux Solution For Oracle C…
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Steps to changing the SSH port on Ubuntu and Oracle Linux compute instance on OCI Always Free?Summary: Attempting to change the SSH port on a newly created instance of Oracle Linux vm on the Oracle Cloud Infrastructure (OCI) Always Free tier using the VM.Standard…
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OSMH: “The registration attempt failed due to java.net.SocketException: Connection reset”Applies To: OS Management Hub (OSMH) Oracle Cloud Infrastructure Symptoms: OSMH On-Prem client instance registration failed with error below: # /opt/oracle/mgmt_agent/ag…
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OCI: YUM Commands Fail with KeyError: 'X-RHN-Auth-Expire-Offset'Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When attempting to execute yum commands such as 'yum update -y', the following err…
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Oracle Linux: Post Leapp Upgrade, Server Gets Stuck During Final Reboot.APPLIES TO: Oracle Cloud Infrastructure Oracle Linux SYMPTOMS: Leapp Pre-Upgrade and Upgrade steps where successfully completed, no errors or unexpected inhibitors repor…
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OCI : Docker Service Failing To Start After Leapp Upgrade from OL7 to OL8Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Docker service Start Failing with below error [root@xxxx ~]# systemctl status docke…
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OCI: Instance Stuck at Boot Showing TianoCore LogoApplies To: Oracle Cloud Infrastructure - Version N/A and later All Platforms Symptoms: Instance is unreachable and rebooting it does not restore access. Instance detail…
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OCI – How To Open Network Ports in UbuntuApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: In OCI Ubuntu instances (image Ubuntu-22.04) opening anetwork port in UFW don’t work. Solution: Note: Ubuntu i…
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OCI : Network Service Fails To Start with Error "No such file or directory" and "command not found"Applies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux x86-64 Goal To start the network service successfully without failure Symptoms Below error i…
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OCI: "mount: /mnt: unknown filesystem type 'LVM2_member'APPLIES TO: Oracle Cloud Infrastructure Linux OS - Version Oracle Linux 8.0 and later SYMPTOMS When attempting to mount a boot volume backup attached as an additional vo…
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OCI: How to Check if DBCS is Using iSCSI or Paravirtualized StorageApplies To Oracle Cloud Infrastructure Linux OS - Version Oracle Linux 7.0 and later Goal To verify whether a (DBCS) instance in Oracle Cloud Infrastructure (OCI) is uti…