LXKM
Discussion List
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Oracle Linux: System RAM does not Match with the Value in OCI ConsoleApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 and later Goal: Understand why Oracle Linux does not show the same amount of Memory (RAM) …Alejandro Rodriguez L.-Oracle 4 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
Oracle Linux: SSH login delay (~30s)Applies To: Oracle Linux 7 and later Symptoms: Users report SSH takes ~20–30 seconds to log in after boot, even though the OS finishes booting quickly. systemd-analyze b… -
Oracle Linux: How to Downgrade Multiple RPM Packages to Match a Good Known SystemApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 8 and later Goal: This document explains steps to downgrade multiple RPM Packages to match a…Alejandro Rodriguez L.-Oracle 5 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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Oracle Linux: Install and Access Cockpit using Root AccountApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 8 and later versions Goal: Access Cockpit to facilitate the administration of the system usi…Alejandro Rodriguez L.-Oracle 10 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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Oracle Linux: "adcli: couldn't connect to <realm> domain: Failed to create kerberos context:"Applies to: Linux OS - Version Oracle Linux 7.0 and later Symptoms: Joining a Microsoft Active Directory domain fails: # adcli -v join -U * Using domain name: * Calcu…
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Oracle Linux: How to Create New systemd TimersApplies To: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7/8/9 Goal: This article is to document how to create new systemd timers, a systemd way of r…Alejandro Rodriguez L.-Oracle 10 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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Oracle Linux: How to Use the Options disp_qos and dispatcher in /etc/audit/auditd.confApplies To Linux OS - Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Summary To understand the usage of the options disp_qos and dispatcher in /etc/au…
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Oracle Linux: Understanding "installonly_limit" Parameter Used with YUM/DNFApplies To Linux OS - Version Oracle Linux 7.0 and later Summary This document is intended to provide understanding on the use of the parameter "installonly_limit" in /e…
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Oracle Linux : How to Install 'Server With GUI' Packages on Servers not Connected to InternetApplies To: Linux OS - Version Oracle Linux 7 and later Goal: This document explains steps to install Server With GUI packages on servers that are not connected to the i…
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Oracle Linux: How to Check the Interface Pause Parameters Using "ethtool"Applies To Linux OS - Version Oracle Linux 7.0 and later Summary This post is intended to guide on how to review the pause parameters. Solution Pause parameters are the …
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OSMH: OSMH Managed Instance Update Fails with Error “Requires: ksplice-helper"Applies To: Oracle Cloud Infrastructure OS Management Hub (OSMH) Symptoms: OSMH managed instance package updates fails with below error. Error: Package: 2:glibc-2.17-326…
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OCI: Resolving "ksplice: error: argument subsys: invalid choice: 'xen'"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: After upgrading ksplice, the cron job fails with the following error: export PATH=…
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Oracle Linux: Sosreport Command Shows Error "binary is deprecated"Applies To Linux OS - Version Oracle Linux 8.0 and later Symptoms The sosreport command shows the error below when run on systems with sos version 4.9 and above. # sosre…
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OCI: System Fails to Boot with Error “Failed to load SELinux policy, freezing”Applies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: When booting the system with selinux enabled, the process fails and freezes with following messages [ 12.5…
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OCI: How To Audit User Activities in sudo su – sessionAPPLIES TO Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. GOAL This document describes how to record command l…
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OCI: NFS Mount Point Shows Ownership as "nobody"Applies To: Oracle Linux Cloud Service - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure Symptoms: NFS mount point shows the below ownership. $ ls -ld /dr…
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Oracle Linux: chroot: failed to run command ‘/bin/bash’: Exec format errorAPPLIES TO: Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 SYMPTOMS When attempting to run chroot /mnt on the debug instance resulted in the following error.…
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Oracle Linux: Unable to Rename VG with Error “Device /dev/sdb3 has active LVs, deactivate first"APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL: This document is intended to explain why the error “Device /dev/sdb3 has active LVs, d…
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OSMH: Windows Instance Showing "there is no updates available" In OSMH ConsoleApplies To: Oracle Cloud Infrastructure OS Management Hub (OSMH) Goal On the OSMH console, it shows "there is no updates available" But from the Windows Update in OS sid…
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OCI: Application error: "invalid SSH version: OpenSSH version must be greater or equal to <number>"Applies To: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux x86-64 Symptoms: While executing a 3rd party application in a Oracle Linux 9 instance in OCI…
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Oracle Linux: How To Change Default Module StreamApplies to: Oracle Cloud Infrastructure Oracle Linux 8 and Later Goal: This document explains steps to change default module stream. Solution: By default, the dnf utilit…
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OL8: How To List All Modules via DNF in OL8 And Check If They Are Enabled or Disabled?Applies to: Oracle Cloud Infrastructure Oracle Linux 8 and Later Goal Oracle Linux 8 (OL8) distributes sets of related RPM packages that form a logical unit (such as dif…
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OCI: Oracle Linux Instances Can Observe High Usage Inside /var/tmpApplies To: Linux x86-64 Oracle Cloud Infrastructure Symptoms: Frequently, on Oracle Linux instance, the /var/tmp directory can be seen as taking up a lot of space. Caus…
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OCI: Resizing the EXT filesystem fails with “resize2fs: Permission denied to resize filesystem"Applies To: Oracle Linux Cloud Service - Version Oracle Linux 6.0 and later Oracle Cloud Infrastructure Information in this document applies to any platform. Symptoms: R…
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OCI: Unable to Remove Python2 Packages After Upgrading from OL7 to OL8Applies To: Oracle Cloud Infrastructure Oracle Linux 8 Symptoms: Attempting to remove python2 rpm using DNF results in a dependency error: #sudo dnf remove python2 Error…
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OCI: Memory discrepancy for the Linux Instance between OCI console and the ‘free’ OutputApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms Below are the instance details on the OCI Console: "Shape":"VM.Standard.E2.1.Micro", "OCPUs":1,"Memory (MB)…
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Oracle Linux-How to Check users percentage of open files, processes and pending signalsAPPLIES TO: Linux OS–Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud Oracle Cloud Infrastracture GOAL: This documen…
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OCI: Oracle Linux Instance Boot Failed with Error "Warning: /dev/mapper/ocivolume-root does not exisAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Oracle Linux 8 Instance hosted in OCI fails to boot with error and landing to dracut shell Warning: /dev/ma…
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ALX: Autonomous Linux Patching Notification Email Not Being ReceivedApplies To: Oracle Cloud Infrastructure Autonomous Linux (ALX) OS Management Hub (OSMH) Goal: It was observed that OSMH Autonomous Linux service is not sending email not…
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OCI: DST Timezone Change is Not Taking Effect on Linux InstancesApplies To: Oracle Cloud Infrastructure Oracle Linux Symptoms: After the Daylight Saving Time (DST) transition, the system time on OCI Linux instances remains unchanged …