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OCI: Add sudo root Permissions to Regular Linux User in Oracle LinuxApplies to Oracle Cloud Infrastructure - Version N/A and later Oracle Linux x86-64 Goal There is a need for an additional regular user (testuser in this example) to be a… -
Error "GPG verification is enabled, but GPG signature is not available" in OL9 Custom Image kspliceApplies to: Oracle Cloud Infrastructure Oracle Linux 9 Symptoms: The following errors occur when attempting to use Ksplice on OL9 Custom Image instance for updating the …
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OCI: OL9 dmidecode Fails with Error “Wrong DMI structures count: 10 announced, only 0 decoded"Applies to: Oracle Cloud Infrastructure Oracle Linux 9 x86-64 Symptoms: dmidecode package version dmidecode-3.3-7.el9_2.1.x86_64 returns the following output: $ sudo dmi…
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Oracle Linux – How to Increase Entropy ValueAPPLIES TO: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud UEK5 / UEK6 / UEK7 GOAL: Increase entropy va…Alejandro Rodriguez L.-Oracle 159 views 0 comments 2 points Started by Alejandro Rodriguez L.-Oracle Linux -
OCI - How To Extend a Non-Root FilesystemApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: Explain how to extend a non-root XFS or EXT filesystem that is hosted in a single Storage Volume in one of the…
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OCI: DHCP Fail After Reboot With Error "libdns-export.so.1102: cannot open shared object file"Applies to Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Information in this document applies to any platform. Sympto…
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Cannot Install Packages with Yum - “[Errno 14] curl#56 - "Callback aborted" - Trying other mirror.Applies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 x86_64 and later Symptoms System is hosted in Frankfurt region and not able to install pac…
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OCI – How To Remove Container Images From Private Container Registry and Delete the Empty RepositoryApplies 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 provides steps on how to…
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OCI: Building Initramfs Dracut Shows Error Message "ldconfig exited ungracefully"Applies to Oracle Cloud Infrastructure - Version N/A and later Linu OS - Version Oracle Linux 7.0 and later Linux x86- 64 Symptoms While booting, the messages described …
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OCI: DBCS Instance Upgrade Failed With "Error: Package: 32:bind-9.11.4-26.P2.el7_9.14.x86_64"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: DBCS Instance Upgrade failed with following error: [2023-08-18 19:30:47,222] FINE …
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OCI: Users Are Unable to Do SSH Authentication on AD ServerApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 x86_64 and later Symptoms Some users are able to login with ssh via AD credentials, while …
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Secure way to do a sudo on linux serverSummary: We have a need to limit a linux user's ablilty to Sudo to specific other users We have 2 options for the Entry on /etc/suoders.d. Which among these you recommen…
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OCI: Instance Fails to Boot Latest Linux KernelApplies To Oracle Cloud Infrastructure Linux x86-64 Symptoms The instance fails to boot into the latest kernel after installing the latest RHCK kernel The latest kernel …
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OCI: Unable to Perform dnf updateSymptoms: “dnf update” fails with the following error: # dnf update Last metadata expiration check: 0:09:35 ago on Fri 11 Aug 2023 07:42:44 AM GMT. Error: Problem: packa…
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OCI: CUPS Not Printing Duplex After Migration Of Services From On-Prem OL6.10 to OCI OL8.6APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS CUPS is unable to do duplex printing on OL8 instance, i.e. multi-page jobs are not duplexing, but rather print …
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OCI: Adding iSCSI Block Volume In a LVM "/" Filesystem Causes Reboot Of OS Into Grub PromptApplies To: Oracle Cloud Infrastructure Oracle Linux x86-64 Symptoms: When trying to SSH, receive 'connection refused’ error. Validating from console connection, it is s…
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OCI: Unable To Start nfs-server.serviceApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Not able to start nfs-server.service. # systemctl start nfs-server.service A depen…
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OCI : Unable To Copy Large Files To FUSE/S3FS Mounted Object StorageApplies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Symptoms Customer is able to copy small files. But …
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OCI: How To Install psutil Offline without using pip3 and InternetApplies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-6 Goal The goal of this document is to Install ps…
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OCI: SSH login fails with "Network error: software caused connection abort"APPLIES TO: Oracle Cloud Infrastructure Linux OS GOAL: This document describes how to access Oracle Linux instance when encountering error - Network error: software caus…
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Linux: Convert RHEL7 to Oracle Linux 7 RepositoriesApplies To Linux OS Goal How to convert RHEL7 to Oracle Linux 7 Repositories Note: These steps are not supported for Oracle Cloud Infrastructure (OCI). For OCI instances…
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OCI: "linux-config" Package Update Starts The firewalld serviceApplies TO Oracle Cloud Infrastructure Linux OS SYMPTOMS oci-linux-config package updated to the version 2.0-1.0.25.el8.noarch started the firewalld service $ systemctl …
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OCI: How to Configure RSYSLOG to Use UTC Timezone?Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal How to configure RSYSLOG to use UTC timezone? The default rsyslog time zone is the loca…
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OCI : How to Configure ACL on an OCI FSS (OCI File Storage Service) ShareAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 GOAL Provide read-only or any specific permission for an/few users account/accounts SOLUTION OCI FSS (OCI File Storag…
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How To Troubleshot Login Problems Caused by .bashrcApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal If the configuration of .bashrc cause it to exit, that can cause problems like preventi…
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OCI: Cgroup Memory Corruption on UEKr4 KernelsApplies to: Oracle Cloud Infrastructure Symptoms On a system with kernel UEKr4, the out-of-memory killer ( oom-killer ) killed a process due to its memory usage [ 315.23…
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How To Configure DB Nodes to Generate VMCore on iSCSI Boot DiskApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal Database nodes that boot from iSCSI need special configuration to be able to create vmc…