Category 631
Discussion List
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OSMH: VCSS Failing with Error: “Argument list too long”Applies To: Oracle Cloud Infrastructure - Version N/A and later OSMH Symptoms: When trying to promote a lifecycle it eventually fails with: "Argument list too long". Ano… -
How to Set an Expiration Date for Local User PasswordsApplies to: Linux OS - Version Oracle Linux 6.9 and later Linux x86-64 Goal This document describes how to set expiration dates/intervals for local user passwords on Ora… -
OCI - How to Recover Ubuntu Instance SSH AccessApplies to: Oracle Cloud Infrastructure - Version Ubuntu 22.04 and later Goal: This CCC document is intended to explain how to recover Ubuntu instance's SSH access if no…
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Crontab entry is failingApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms A crontab entry looks like this, it can refer to any command, in this example, the …
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OCI: pam_lsass Can Deny Users Login Access with Denied AccessApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Local and AD users cannot login even with the correct credentials. Login attempts …
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OCI: Dnf perl Module Conflicts in Oracle Linux 8Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms On checking installed modules, the following is displayed: $ sudo dnf module list -…
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OCI: Warning “systemd-udevd: worker /devices/virtual/block/dm-x is taking a long timeApplies To: Oracle Cloud Infrastructure Oracle Linux x86_64 Symptoms: Seeing following intermittent warning in /var/log/messages. There is no system performance issue no…
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How do I uninstall SQL Developer in Linux (& reinstall)Task: Installing Oracle Database 19c and OBIEE 12c on Windows and Linux VMs in OCI. Issue: How do I uninstall SQL Developer in Linux? I uninstalled and confirmed with th…
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OCI : Grubby commands fail with error "/usr/bin/grub2-editenv: error: invalid environment block"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 – Oracle Linux 9 Symptoms: Failed to change the default kernel [root@xxxx ~]#…
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Oracle Linux: How to Disable CBC Ciphers in SSHd server on Oracle Linux 8/9Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 – Oracle Linux 9. Goal: Disable CBC ciphers in openSSH server on Oracle Linux…Alejandro Rodriguez L.-Oracle 1.1K views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
OCI: Daylight Saving Time Not working on Instance With TimeZone “Africa/Cairo (EET, +0200)”APPLIES TO: Oracle Cloud Infrastructure Linux x86-64 Symptoms Daylight Saving Time changes are not taking effect in one of the instances whereas other instances are show…
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Oracle Linux – Oracle Linux is not able to mount a NFS ShareApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: Mount a NFS Share not working on an Oracle Linux system. NFS Server and NFS Client are in the same Network Seg…Alejandro Rodriguez L.-Oracle 146 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OSMH: Empty Software Source in Available Software Sources ListApplies To: Oracle Cloud Infrastructure OS management Hub (OSMH) Goal: Empty Software Source list during Custom Software Source Creation in OSMH Cause: Wrong or empty co…
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OCI: Repository Issues Detected After Leapp Upgrade From OL7 to OL8Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Unable to install/update packages after leapp upgrade as ol8_appstream is disabled.…
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Compute instanceHi Experts, Need your expertise. We have created a compute instance with oracle linux 8 image. Is it recommended to enable In-transit encryption? Is 100 GB sufficient fo…
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OCI: Password Authentication on Ubuntu Throws Error: No supported authentication methods availableApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: On Ubuntu 20.04, if the parameter “PasswordAuthentication y…
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Oracle Linux - How to relocate a Volume Group to a new block volume.Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 7 – Oracle Linux 9. Goal: Move a Volume Group to a new block volume Solution: $…Alejandro Rodriguez L.-Oracle 21 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OCI: How To Relocate Logical Volumes To A New Block Volume And Increase The SizeApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: Move a Logical Volume to a new block volume and grow the same filesystem Solution: Execute below steps as root…Alejandro Rodriguez L.-Oracle 11 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OCI-Instance Fails to Boot and Drops to “Shell>” PromptApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The system was rebooted and the following seen at the Console: UEFI Interactive She…
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OL: How To Execute Python2 script on Oracle Linux 8Applies to: Oracle Linux - Version 8 Goal Some Python script imported from older versions of Oracle Linux might still use Python2. Python2 is not compatible with Python3…
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OCI - How to Create a Recovery Instance for use in OL8 Boot Volume RecoveryApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Oracle Linux 8 Goal: This document outlines the steps required to create a temporary Oracle …
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OCI: SAR report “/var/log/sa/” not generating after upgrading instance to Oracle Linux 8APPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Why is SAR report “/var/log/sa/” not generating after upgrading to OL8? CAUSE Required sysstat services are…
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OCI: Instance Crashes After Exiting From Single User ModeApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms After booting to single user mode by adding "init=/bin/bash" to the kernel command line. On finishing the s…
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OCI : OSMH returns Http Status Code: 400. Error Code: MissingParameterApplies To: Oracle Cloud Infrastructure OSMH Management Stations Symptoms: When trying to register an OSMH Management station it shows the following error: 2024/05/29 13…
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OCI: After OL8 upgrade instances becomes inaccessible in network and need a rebootAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS After upgrading the instance from OL7 to OL8, the instance is not accessible via ssh frequently and it must…
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Unable to change the password Error:User not known to the underlying authentication moduleApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: Unable to change the passwd of root user root@test# passwd …
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OCI: Instance fails to boot “Failed to remount '/' read-only: Device or resource busy"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Instance crash while generating sosreport and fails to boot. #sosreport --batch --a…
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OCI: Instance Unable to boot with error “Warning: /dev/mapper/ocivolume-root does not exist”APPLIES TO Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Instance is not booting after a reboot, and it reports error below in the console log [ 208.548561] dracut-i…