LXKM
Discussion List
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OCI Linux Instance Boot Failure “dracut-initqueue[448]:Warning:/dev/disk/by-uuid/*** does not exist”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS: Oracle Linux Instance failed to boot and reports following error in the Console lo… -
Oracle Linux - How to Remove Passwordless Sudo to "root" from "opc" UserApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: This document describes how to remove passwordless switch to root from the opc user. Solution: You can modify …
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OSMS/YUM Update Fails With Dependency Error "dtrace conflicts with systemtap-sdt-devel- <version>"Applies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms OSMS Updates fails with error Failed: packages requested raised dependency problems: ['dtrace conflicts wit…
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OCI: Unable to Access the Internet From Cloned Ubuntu 20.04 InstanceApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms A new instance was created from a cloned boot volume of another running Ubuntu 20.0…
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OCI: Kspice command fail with error "ImportError:/lib64/libboost_regex-mt.so.1.53.0: file too short"APPLIES TO: Oracle Cloud Infrastructure Linux OS - Version Oracle Linux 7.0 and later SYMPTOMS Running Ksplice commands fail with the following error. $ ksplice Tracebac…
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Oracle Linux: How to prioritize IPv4 resolution over IPv6 resolution in a dual-stack environmentApplies To: Oracle Cloud Infrastructure Linux x86-64 Goal: This document describes how to prioritize IPv4 address resolution over IPv6 address resolution in a dual-stack…
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Oracle Linux - How to disable "sender non-delivery notification" for bounce mail in postfixApplies To: Oracle Cloud Infrastructure Linux x86-64 Goal: This document describes how to disable "sender non-delivery notification" for bounce mail in postfix. Solution…
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OCI - Unable to Login to Linux Instance With Error “[FAILED] Failed to start Login Service"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Linux Boot failed to complete and unable to login into the Linux instance via SSH …
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How To Change the Volume I/O Scheduler at BootApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: Disk I/O scheduler defines how the Kernel will schedule I/O requests for the disk. Som…
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OCI: Can Existing Users in New OCI Instances be Removed?Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal New OCI instance has a number of users present in /etc/passwd file, e.g.: bin daemon ad…
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Oracle Linux System Becomes Unavailable 24 Hours After StartupApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms 24 hours after the system is started, it becomes unavailable. It is not possible to…
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OCI: Disk Full While Copying File to BucketApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms While copying a large file to an OCI Bucket, the copy fails with error. It’s also n…
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OCI: "podman ps –s" Consumes CPU and Takes Several Minutes to CompleteApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86_64 Symptoms: In Oracle Linux 8 instance with several active containers, running command: $ podm…
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OCI: Linux Instance failed with error "Failed to switch root: Specified switch root path '/sysroot'"Applies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms System boots to Emergency Mode with the following seen in the file /run/initramfs/rd…
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OCI: The “df -hT” Command HangsApplies to: Oracle Cloud Infrastructure - Version N/A and later Symptoms: OS level command like df -hT are hanging or provide no output. Cause The issue is due to a deco…
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Upgrade to the Latest Version of Oracle Java JRE/ JDKApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Below paths are showing as vulnerable and need to be updated in Oracle Linux: Oracl…
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Ksplice Patch Releases for Unbreakable Enterprise Kernel (UEK)This document provides list of recent ksplice releases patches for UEK. On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf, these updates will be inst…
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OCI - Oracle Cloud Agent plugins are not available on domain controllersApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: To Have OS Management service available, when you use a Windows Server instance as a domain controller Solutio…
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OCI: How to Increase Root Partition of Ubuntu InstanceApplies To: Oracle Cloud Infrastructure Ubuntu Linux - x86-64 Goal: To Increase the root partition size of an Ubuntu instance in OCI. Solution To resize the root partiti…
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How to Download RPMs Locally from Oracle Linux RepositoriesApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal There is a need to download RPMs from Oracle Linux repositories to then be applied to o…
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OCI: Instance Without Networking Is Unable to Ping Subnet GatewayApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms OCI Compute OL7 instance suddenly unreachable. When accessing from serial console i…
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Unbreakable Enterprise Kernel (UEK) Release InformationThis document provides list of recent releases of Unbreakable Enterprise Kernel with respective advisory information. For more recent and detailed information, please ch…
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OCI: Yum Unable to Find oracle-cloud-agent RPM package in OL7 InstanceApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms In a OCI OL7 instance where oracle-cloud-agent is not installed, when trying to ins…
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OCI:oci-growfs Utility Failed with Error “Unable to expand /dev/sda3. No partitions expanded, exit.”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS: Unable to increase the size of root filesystem from default size and it reports fo…
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OCI Linux: Intermittent User Lookup Failure For Local or Remote Users While Using AD AuthenticationApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Oracle Linux server integrated with AD user is experiencing slow latency and connec…
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How to Enable zram in Ubuntu 20.04Applies to: Oracle Cloud Infrastructure - Version N/A and later Ubuntu 20.04 and later Goal Enable zram module in ubuntu 20.04 Solution In order to enable zram on Ubuntu…
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How to Reduce an Instance Boot or Block Volume Disk SizeAPPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL How to reduce an OCI Instance Boot or Block Volume Disk Size, i.e from 100GB to 50GB or…
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OCI: Instance 20 Second Delay After Bad Password Login Attempt in SSHApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms When a wrong password is used when logging into an instance using SSH password authe…