Linux
Discussion List
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OCI: SSH Permission denied (publickey,gssapi-keyex,gssapi-with-mic)Applies to: Oracle Cloud Infrastructure SYMPTOMS Keys generated using puttygen in .ppk format will result in following error when tried with -i option ssh command line: … -
Oracle Linux – How to set up a new SSH key for Ubuntu/Oracle Linux Instance (Previous SSH is lost)APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL: This document describes how to create a new SSH key in case the previous SSH key had b… -
Oracle Linux – How to Enable SSH Password Authentication (No ssh key).Applies To: Linux OS – Version Oracle Linux 6.0 to Oracle Linux 9.0 [Release OL6 to OL9] Linux x86_64 on Oracle Public Cloud Goal: This document describes how to enable …
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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…
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OCI: Instance Unable to Boot With Kernel Panic Error “/lib64/libksplice_helper.so: file too short”Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Instance unable to boot after upgrading the ksplice-helper package to version “kspl… -
OCI: Instance Gets Hung Every 24 Hours As DHCP Lease Does Not Get RenewedApplies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: OCI Linux instance regularly becomes inaccessible every 24 hours. Inside the OCI UI/Console, at the Instan…
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OSMH: Changing a Storage path or Replacing The Storage Device/Hard Drive of a Storage pathAPPLIES TO OSMH On-Prem Oracle Linux GOAL How to change OSMH Management Station Storage Path or when the Storage Path Device/Hard Drive is replaced but the Storage Path …
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replace "Always Free" instanceSummary: I have a "Always Free" instance running Oracle Linux 7.9 and I would like to re-create it with Oralce 9. I've terminated the existing instance and try to re-cre…User_2025-03-07-22-11-15-347 71 views 2 comments 0 points Most recent by Shanmugam Vellore Thyagarajan-Oracle OCI - General
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OCI: How To Boot Centos Into Single User ModeApplies to: Centos Oracle Cloud Infrastructure Linux x86-64 Goal This document will explain how to access the Boot menu (grub menu) of a Centos Operating System using OC…
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OCI Configure IPv6 Using NetworkManagerApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: Configure the IPv6 Instance Interfaces using NetworkManager cli tools: nmcli This docu…
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OCI: How To Stop And Disable "sssd" When Not In UseApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to stop and disable sssd when it is not in u…
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OCI Linux : Where is ABRT package in Oracle Linux 9 ?Applies to Linux OS - Version Oracle Linux 9.0 and later Oracle Cloud Infrastructure Linux x86-64 Goal How to find Automatic Bug Reporting Tool(ABRT) package in Oracle L…
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OCI: IPv6 Address Not Assigned to OCI Ubuntu Instance by DHCPApplies to Oracle Cloud Infrastructure Ubuntu Linux 22.04 LTS Symptoms An IPv6 Address is created in a IPv6 enabled VCN and then assigned to an Ubuntu 22.04 LTS OCI inst…
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OCI: How to Setup X for X11 Forwarding in Oracle Linux 8APPLIES TO: Oracle Cloud Infrastructure Oracle Linux 8 (any version) GOAL: How to install basic X libraries and clients to allow X11 Forwarding via SSH in Oracle Linux 8…
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Oracle Linux - How to configure SFTP with chroot enabledApplies: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud Goal: Uploading or downloading files using an e…Alejandro Rodriguez L.-Oracle 474 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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Oracle Linux - How to mount a SMB/CIFS Share using SYSTEMDAPPLIES 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: Mount a SMB/CIFS share using SYSTEMD a…Alejandro Rodriguez L.-Oracle 1.4K views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OCI: How to stop unwanted firewalld processesApplies To: Oracle Cloud Infrastructure Linux x86-64 Goal: This document outlines the steps required to stop any unwanted firewalld processes Symptoms: The firewalld.ser…
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How do I reset an instance to default image?Summary: Resetting an instance to default supplied image Content (required): I created an instance with image imported from oracle supplied image for Ubuntu. The instanc…
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OSMH: Instances failed with error YUM Timeout "(28, 'Operation timed out after 30001 milliseconds)"APPLIES TO OSMH On-Prem SYMPTOMS "yum repolist" command reports following error after registering the Oracle Linux 7/8/9 managed instance with OS Management Hub (OSMH) M…
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OSMH: How to Assign/Update New profile to Existing OSMH Managed Instance?APPLIES TO OSMH On-Prem GOAL How to Assign/Update New Profile to Existing OS Management Hub (OSMH) Managed Instance for which the profile is deleted or required an updat…
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OCI : Ubuntu instance is not accessible as router IP doesn't persist after rebootApplies TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS Unable to access the ubuntu 22.04 instance as it loses router IP provided by DHCP for every reboot CAUSE Ubuntu…
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Linux: Executing ssh –X Gives error “/ usr/bin/xauth: error in locking authority file” for UserApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms Connecting with ssh -X to a destination server results in a successful login but an error is displayed: /us…
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Problem switching from networkd to NetworkManager on Ubuntu 22.04On an Ubuntu 22.04 instance on Google Cloud, switching from networkd to NetworkManager is easy: $ sudo apt install network-manager $ sudo nano /etc/netplan/50-cloud-init…
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OCI : SSH Login Failed Due To Protocol MismatchApplies To: Oracle Cloud Infrastructure Oracle Linux - Version 6 Symptoms User is not able to login using private key with the following scenarios: Connection using “ssh…
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Oracle Linux – Fix KSPLICE was unable to install updates because a modified kernel is runningAPPLIES 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: Install latest Ksplice patches. Sympto…Alejandro Rodriguez L.-Oracle 336 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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CUPS Fails to Print and Reports “Unable to get printer status”Applies to: Oracle Cloud Infrastructure Symptoms: After configuring a new printer in CUPS, the “lpstat” command shows “Connected to printer” but, after trying to print, …
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Linux: How To Extend a ROOT(/) Filesystem that is on a Logical Volume Manager (LVM) VolumeThis article describes how to extend the root filesystem "/" on Oracle Linux when it is located on an LVM volume. This procedure may be necessary if the root filesystem … -
SUDO Error "sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set"After connecting to the instance as an opc user, when you try sudo to root user, the following error is seen: [opc@ ~]$ sudo su - sudo: /usr/bin/sudo must be owned by ui…
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OCI: Yum Reports Error "Could not resolve host: yum$ociregion.$ocidomain; Unknown error"When trying to install packages on an Oracle Cloud Instance running a custom Oracle Linux image, yum fails with the following error: # yum -y install net-snmp Loaded plu…
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SSH Fails With Error: "FIPS mode initialized FIPS mode initialized ssh: connect to host <host name>SSH connections to an Oracle Linux 7 or higher fail, with the following errors logged to /var/log/secure: Oct 28 09:44:40 sshd: FIPS mode initialized Oct 28 09:44:40 s…