Category 631
Discussion List
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OCI: User Unable to Login using Password “pam_unix has expired (failed to change password)”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS Multiple users unable to login using password ---/var/log/secure-- Sep 25 12:36:27 … -
OCI: "sshd.service" fails to start on bootOracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The sshd.service fails to start on boot, the following message is seen on the console during th…
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How to Disable Firewalld Service PermanentlyAPPLIES 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 outlines the steps to disa…
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OCI: Ubuntu Spike in CPU Usage Due To Apache ErrorsApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: There was a spike in CPU Utilization seen from the OCI Metrics page: Cause: There …
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OCI: Error 404 Accessing Cups Web Interface - http://localhost:631Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The CUPS Web Interface (http://localhost:631) is inaccessible with error "404 Not f…
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Leapp Upgrade from Oracle Linux 7 to 8 Fails with "conflicts with file from package"APPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS Using Leapp, upgrade from Oracle Linux 7.9 to Oracle Linux 8 fail after reboot. The …
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How to Limit CPU Usage for a Service?Applies to: Linux OS – OL7 and later Linux x86-64 Question: How to limit CPU usage by a service and make it persist across reboots. Answer: Solution 1: Use the ‘systemct…
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where to download xorg-x11-apps rpm OEL8Summary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
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OCI: Postfix Fails to send Emails with "warning: /usr/lib/sendmail and /us/sbin/sendmail differ"Applies to Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure Symptoms Postfix shows the following warning error: Oct 13 07:23:55 postfix/postfix…
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Users Are Logged Out After 10 Minutes with Message "timed out waiting for input: auto-logout"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 5.0 and later Linux x86-64 Symptoms After 10 minutes of idle time, users …
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After instance reboot i get error and cannot connect to server end Kernel panic - not syncing: VFS:After instance reboot i get error and cannot connect to server end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) I get error after tryin…
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OCI: Removing Files in FSS is Not Reflected in df outputApplies To Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms After removing files from FSS storage mounted on an instance, the utilization is not…
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OCI: Leapp Upgrade Fails with Error “conflicts with file from package python36-*”Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Upgrade of OL7 instance to OL8 using leap upgrade fails with following conflict er…
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How to Change Default Kernel on GRUB2 Using the grubby ToolAPPLIES TO: Linux OS - Version Oracle Linux 7.0 and later Linux x86_64 on Oracle Cloud Infrastructure GOAL The purpose of this document is to explain how to make persist…
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OCI: LEAPP Upgrade Fails with Error “At least NN MB more space needed on the / filesystem."Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Upgrade of OL7 instance to OL8 using leapp upgrade fails with following error even…
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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…
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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 121 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 …