Category 631
Discussion List
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linux default usersSummary: Hi all I want to know if it is safe to delete the Unix default oci users, opc for Oracle Linux and ubuntu for Ubuntu machines it does not affect any oci process… -
LVM Snapshot Problem: "snapshot: Required device-mapper target(s) not detected in your kernel"Applies To: Linux OS – Version Oracle Linux 7.0 Linux x86_64 on Oracle Public Cloud Goal: Create an LVM snapshot using lvcreate Symptoms: [root@test /]# lvcreate -L 1G -… -
Oracle Linux - Unable to "su" to non-root userApplies to Linux x86_64 on Oracle Public Cloud Symptoms Unable to "su - user" from the "opc" user account, getting error message as below: [opc@instance] su - user Passw… -
OCI: Missing /boot/loader/entries After UpgradeApplies To: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 8 and above Linux x86-64 Symptoms: Unable to set the default kernel with grubby # grubby --s…
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Oracle Linux – Oracle Linux 8.8 instance cannot mount NFS Share.APPLIES TO: Linux OS – Version Oracle Linux 8.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud GOAL: Mount NFS Share. The rest of instances…Alejandro Rodriguez L.-Oracle 128 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
OCI: Ubuntu Network UnreachableApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When trying to update the ubuntu system with “apt-get update”, the following error…
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OCI: Ubuntu Instance /etc/resolv.conf Is Overwritten at Boot TimeApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: /etc/resolv.conf custom entries get overwritten during boot. Changes: Made an name…
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OCI: vsftpd service fails to start "Failed to start Vsftpd ftp daemon."APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms vsftpd service fails to start on OL Instance $ sudo systemctl start vsftpd Job for …
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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…
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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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Using apt or yum Fails with Error: "503 Service Unavailable" or "FAILED: Trying other mirror"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 - Ubuntu and CentOS Symptoms: Contacting official repositories for Ubuntu or CentOS intances…
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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
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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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How to Change Network Device (NIC) Name on CentOS 7 Bare Metal InstanceApplies to: Oracle Cloud Infrastructure Centos 7.9 x86-64 Goal: This document will explain how to change the network device (NIC) name on a Centos Bare Metal instance an…
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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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Oracle Linux – How to Change /var Partition to a New DiskApplies 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: Move /var partition to a new disk to a…
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update ubuntu private instanceSummary: hi all I created a private Ubuntu instance using the Canonical-Ubuntu-22.04-Minimal-2023.08.27-0 image the image is connected to an public subnet and the vcn ha…
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OCI - How to Mount an Object Storage Bucket as Filesystem in Oracle Linux 7Applies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux x86-64 Goal This document will explain how to mount an Object Storage bucket as a filesy…
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OCI – Ubuntu 22 .04 LTS Instance Stops Responding 20 Minutes After BootApplies to: Oracle Cloud Infrastructure - Version N/A and later Ubuntu 22.04 LTS Symptoms Twenty minutes after being started, the instance stops responding completely – …
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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: Getting Failed Login Attempts from oracle-cloud-agent in Linux Instance While Trying to sudo(8)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 Symptoms: /var/log/secure logs show these er…
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Oracle Linux: How to Remove Java from a Linux InstanceApplies 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: Remove Java versions completely from Ora…
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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…