LXKM
Discussion List
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OCI: OL8 ARM Instance rpm process high memory usage followed by OOM and hungApplies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: OL8 ARM Instance rpm process consumed high memory usage followed by OOM and hung. rpm-4.14.3-26.0.1.el8.a… -
OCI: Port 80 and 443 Became Inaccessible After RebootAPPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS 3rd party Web Application Site became inaccessible after server reboot even the port…
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OCI: How to change or add a label to an XFS file systemAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 GOAL: Some systems use LABELS instead of UUIDs to mount their file systems. This is particularly true with Exadata s… -
Oracle Linux 7/8: iscsid Service Fails When Using Oracle Ksplice and SELinux in Enforcing ModeApplies to: Linux OS - Version Oracle Linux 7.0 to Oracle Linux 8.0 [Release OL7 to OL8] Oracle Cloud Infrastructure Linux x86-64 Linux ARM 64-bit Symptoms Starting the …
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OCI/EXACC: After Upgrading to ExaData 23.1 (OL8-based) SSH Logins Fail with "Authentication failed."Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Exadata CC Symptoms: After uprading to Exadata 23.1, logins via ssh Fail with the following …
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OCI: mkfs.btrfs does not always trigger an entry in /dev/disk/by- uuidApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: Unable to mount brtfs filesystem intermittently via fstab using UUID $ mount -av mount: /aplm/scratch does…
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Oracle Linux: "ABORT_TASK: Sending TMR" Messages Caused System Crash or HangApplies to: Linux OS - Version Oracle Linux 6.0 to Oracle Linux 7.9 [Release OL6 to OL7U9] Linux x86-64 Symptoms: The system is experiencing crashes or hangs and "ABORT_…
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OCI – How to install/update specific CVE and ELSA in Oracle Linux using yum commandsAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS How to install/update specific CVE & ELSA number in Linux using yum command Solution Follow the below commands …
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OCI: Unable to run sudo to root with error "sudo: no valid sudoers sources found, quitting"Applies To Oracle Cloud Infrastructure Linux x86-64 Symptoms Unable to run “sudo su –“ command due to issues seen in files located the /etc/sudoers.d / directory $ sudo …
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OCI: Instance unable to boot due to missing /etc/fstab fileApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The instance fails to boot normally and instead booted to maintenance mode and the r…
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OCI - How To Recreate ocfs2 cluster.conf with global-heartbeat optionApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to recreate the /etc/ocfs2/cluster.conf usin…
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OCI: ssh to instance fail with error "packet_write_wait: Connection to IP port 22: Broken pipe"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When trying to ssh into an instance, it fails with the error below: $ ssh packet…
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OCI-Ubuntu-Instance-Fails-to-BootApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms An Ubuntu instance fails to boot, the following is seen in the console: Boot Option…
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OCI: Unable To Mount OCFS2 Filesystem Due To Unavailability of Port 7777Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: OCFS2 cannot be mounted. [root@test]# mount /s10 mount.ocfs…
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OCI: ABRT:OL7:iscsiadm segfaults when run as non-root user and with iscsi block volumesApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Executing the ‘iscsiadm -m session’ with the ‘orarom’ user on OL7 below fails with …
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OCI: OCFS2 Mount Fails with "Internal logic failure while trying to join the group"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms When mounting OCFS2 filesystem, an internal logic failure is reported: # mount /sVD…
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OCI: How To Migrate Iptables Firewall Rules to a New ServerApplies to Oracle Cloud Infrastructure - Linux OS Goal How to easily copy your active iptables rule set from one server to another. Solution To migrate your iptables fir…
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OCI: Unable To Use CIFS Utils After Patching to Kernel uek-5.15.0-203.146.5.1.el8uek.x86_64Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 8.5 with Unbreakable Enterprise Kernel [5.15.0] and later Linux x86-64 Sy…
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How To Disable Weak Cipher And Insecure HMAC Algorithms in SSH services for Oracle Linux 6 and laterApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This article shows how to disable weak ciphers like CBC and insecure MACs like HMAC MD…
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OCI Ubuntu: "apt update" Returns "Could not resolve 'security.ubuntu.com'"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When executing "apt update" or "apt-get update" on Ubuntu, the command can return …
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OCI: “no-port-forwarding, no-agent-forwarding, no-X11-forwarding" in root user authorized_keysApplies to : Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal In OCI Oracle Linux platform image instances, the file /root/.ssh/authorized_keysis au…
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OCI: yum reports two different versions of the "setup" packageAPPLIES TO Oracle Cloud Infrastructure Linux OS SYMPTOMS Duplicated packages as yum reports two different versions of the "setup" package hence fail to yum update "setup…
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Linux: How to Install and Configure OSWatcher Using RPMAPPLIES TO: Linux OS - Version Oracle Linux 6.0 to Oracle Linux 8.8 [Release OL6 to OL8U8] Oracle Cloud Infrastructure Linux x86-64 GOAL: This document explains the step…
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OCI: journalctl Process Causing High CPU UtilizationApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: journalctl consumes high CPU utilization. [root@test ~]# to…
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OCI: Mount NFS Share with the Correct NFS versionApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Issues detected while trying to mount the NFS share with nfs version 4. The comman…
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OCI: How To Add Ksplice Key To An Oracle Linux InstanceApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal This document describes how to add the key for Ksplice on an OCI Oracle Linux instance. …
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Linux: Podman Container Failed to Start: "Error: unable to start container runc: runc create failed”Applies to: Linux OS - Version Oracle Linux 8.0 and later Linux x86-64 Symptoms Podman container failed to start returning error below: $ podman start coder-mdbaque Erro…