Linux
Discussion List
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OCI: How to Automate Stop and Start of OCI Instances using OCI CLIAPPLIES TO Oracle Cloud Infrastructure Linux OS GOAL The main goal of this document is to explain how to automate stop and start of OCI Instances using OCI CLI from Linu… -
OCI: Podman Containers Cannot Access DNS or InternetApplies to: Oracle Cloud Infrastructure Oracle Linux 8 x86-64 and later Symptoms The instance has correct DNS functionality and internet access, but podman containers ru…
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OCI - How to Enable sysstat – SAR Data CollectionApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 and above Goal: This document outlines the steps required to setup and enable…
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OCI: How to Check the XFS filesystem Version on Oracle Linux InstancesApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: How to check whether the XFS filesystem is using the legacy v4 format or the newer v5 …
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Instance Has No Private IP AddressAPPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS: Unable to access the instance through SSH. CAUSE: The instance was imported into O…
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OCI: How to Enable SSH Login for Local Users on Oracle Linux 9Goal: To enable SSH logins for local users on OL9 instances. Solution: Changing "PasswordAuthentication" from "no" to "yes" inside /etc/ssh/sshd_config is not enough bec…
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OCI: Extending the First Partition of the Disk Fails with Error "it cannot be grown"Symptoms: Disk has been extended at OCI Console Level by referring to the document. The new disk size is available at OS level after rescan. [root@ ~]# dd iflag=direct i…Alejandro Rodriguez L.-Oracle 11 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
Rocky Linux Instance Fails to Boot with Error: "\EFI\redhat\shimx64.efi: Load Error"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The Rocky Linux instance fails to boot and drops to grub> prompt with the following…
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OCI - Network Interface Naming Issues When Changing VM ShapeApplies to: Oracle Cloud Infrastructure - Version N/A Linux x86-64 Symptoms: The system fails to activate the network interface after a reboot, resulting in a loss of ne…
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OCI: Instance Failed To Boot With Error "Failed to open \EFI\redhat\grubx64.efi- Not Found "Applies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms A new instance was created from the clone of a running instance failed to start with error. The console sho…
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OCI: How to Password Protect the GRUB2 Boot MenuApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to enable password protection on the grub2 b…
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OCI: OPC User Login Fails with Error “User opc not allowed because account is locked”Applies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: OPC user login fails with error server refused our key/var/log/secure log shows error below: $ cat /var/lo…
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OCI: Unable to increase boot volume sizeApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms The instance is a “custom” instance, and an attempt was made to increase the size of the boot volume filesy…
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OCI - CIFS Mounts With Encrypted PasswordApplies to: Linux x86-64 Oracle Linux 8 – Oracle Linux 9 Goal: How do you mount a CIFS share with an encrypted password # cat /root/.password username=domain\user passwo…
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How to change the primary VNICHI all as asked early i think that the only way to change the primary vnic from a vnc to another is deleting the instance an recreate a new instance using the boot volum… -
OCI: Unable to Mount LVM Filesystem with error "unknown filesystem type LVM2_member"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 – Oracle Linux 9. Goal: Mount the filesystem from old Oracle Linux Instance B…Alejandro Rodriguez L.-Oracle 409 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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ubuntu image questionSummary: ubuntu linux updates Content (please ensure you mask any confidential information): hi all i created an Ubuntu Linux server using an 22.04 image ( Canonical-Ubu…
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OCI: How To Change ssh Port Number in UbuntuApplies To: Oracle Cloud Infrastructure Ubuntu OS Goal: This document explains steps to change the ssh port number of an Ubuntu instance from Port 2222 to 22. Solution: …
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OCI: Yum Command Fails with Message: “It was impossible to connect to the Red Hat servers”Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: This is a VMWare VM migrated to OCI using custom image vmdk…
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OCI: How To Prevent the download of src rpms with reposyncApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms Reposync is taking up a large amount of space: $ sudo df -h /u01 Filesystem Size Used Avail Use% Mounted on…
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OCI: SSH Password login fails on OL9 “Connection closed by authenticating user port [preauth]“APPLIES TO Oracle Cloud Infrastructure Linux x86-64 Symptom On OL9 instance, enabled password authentication for SSHD service but still the SSH connections doesnot perfo…
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OCI - Service secondary_vnic_all_configure.service Failed to start at BootApplies to: Linux OS – Version Oracle Linux 8.0 to Oracle Linux 9.0 [Release OL8 to OL9] Linux x86_64 on Oracle Public Cloud Symptoms: Oracle Linux instance showing up s…
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OCI: How to Get File Permissions in Octal Mode Using stat CommandAPPLIES 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 explains the command to ge…
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OCI - How to Add a Secondary IP Address to an Existing VNIC of a Linux Instance in OCI [Video]APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal This video explains on how to add a secondary IP address to an existing VNIC of a Linux…
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Configuring the GUI and VNC Service for Oracle Linux on Oracle Cloud Infrastructure [VIDEO]APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal This video shows how to install and configure an Oracle Linux GUI on an Oracle Cloud In… -
Oracle Linux – Disk resizing is not detected by the OS since rescan commands failApplies to: Linux OS – Version Oracle Linux 7, 8 and 9. Linux x86_64 on Oracle Public Cloud Symptoms: Need to resize /dev/sdd since /u01/app is 84% full: # lsblk -f /dev…
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OCI: SSH Key Generation for Linux Instance [Video]APPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL This video explains how to generate SSH key pair to access Oracle Cloud Infrastructure L…
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OCI: dnf Command Returns "Failed loading plugin "osmsplugin": No module named 'librepo'"APPLIES TO Oracle Linux Cloud Service - Version Oracle Linux 8.0 and later Oracle Cloud Infrastructure Information in this document applies to any platform. SYMPTOMS OSM…
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OSMH Fails When Policy/Dynamic Group is Created on a Non-default Identity DomainAPPLIES TO: Oracle Cloud Infrastructure - Version N/A and later OSMH SYMPTOMS: When creating policy and dynamic group for OSMH in non-default identity domain, the OSMH p…