Oracle Linux
Discussion List
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OCI: OOM kills processes in Oracle Linux InstancesApplies To: Oracle Cloud Infrastructure Linux x86-64 Goal: On an OCI Free with Oracle Linux instances with 1 GB of RAM, OOM kills DNF during sudo dnf upgrade -y process … -
Oracle Linux - How to configure SFTP with chroot enabledAPPLIES 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: Uploading / Downloading files using an…Alejandro Rodriguez L.-Oracle 1.1K views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
OCI: How to Configure IPv6 Addresses on Oracle Linux InstancesApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document details how to configure IPv6 addresses to a vNIC on an Oracle Linux ins…
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OOM kills DNF during sudo dnf upgrade -y on OCI Free Oracle Linux 8.7Summary: OOM kills DNF during sudo dnf upgrade -y on OCI Free Oracle Linux 8.7 Content (required): I have an OCI Free with Oracle Linux 8.7 (image was 8.6) that used to … -
Oracle Linux - How to mount a SMB/CIFS Share using SYSTEMDAPPLIES 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: Mount a SMB/CIFS share using SYSTEMD a…Alejandro Rodriguez L.-Oracle 1.6K views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OCI: How to stop unwanted firewalld processesApplies To: Oracle Cloud Infrastructure Linux x86-64 Goal: This document outlines the steps required to stop any unwanted firewalld processes Symptoms: The firewalld.ser…
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OCI: Specific User is Unable to Login To InstanceApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal This document outlines the steps required to recover from a failed login attempt for a s…
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OCI: Cron Job for Oracle User Is Not RunningApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux - Any version Symptoms: A cron job is not executing the script even though there is activity…
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OSMH: How to Assign/Update New profile to Existing OSMH Managed Instance?APPLIES TO OSMH On-Prem GOAL How to Assign/Update New Profile to Existing OS Management Hub (OSMH) Managed Instance for which the profile is deleted or required an updat…
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OCI: fluentd General Protection Fault in libc-2.17.soApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms After upgrading to glibc-2.17-326.0.5.el7_9.x86_64, the following errors from the u…
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Linux: Executing ssh –X Gives error “/ usr/bin/xauth: error in locking authority file” for UserApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms Connecting with ssh -X to a destination server results in a successful login but an error is displayed: /us…
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OCI: Instance Fails to Boot and Drops to dracut PromptApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal This document outlines the steps required to recover an instance that drops to the dracu…
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postfix and oci smtp serverHi, I've an Oracle Linux vm, version 7.9 and Postfix 2.10.1 I'm trying to use postfix as a relay server, and I've used oci smtp credentials of a dedicated oci user to se…
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How to Remove Weak Ciphers from SSH in Oracle Linux 8 and 9Applies to: Oracle Linux - Version 8 and later Goal Some Ciphers, Macs and KexAlgorithms used by default in SSHD configuration, are considered weak by some security scan…
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OCI : SSH Login Failed Due To Protocol MismatchApplies To: Oracle Cloud Infrastructure Oracle Linux - Version 6 Symptoms User is not able to login using private key with the following scenarios: Connection using “ssh…
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OCI - How to Install oracle-cloud-agent Package on Oracle Linux PlatformApplies to: Oracle Cloud Infrastructure Linux x86_64 Goal: This document describes how to install oracle-cloud-agent Package on a Oracle Linux Platform Solution: To manu…
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Oracle Linux – How to create /dev/zero after accidentally deletedAPPLIES 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: Create the character device /dev/zero …Alejandro Rodriguez L.-Oracle 85 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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Oracle Linux – Fix KSPLICE was unable to install updates because a modified kernel is runningAPPLIES 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: Install latest Ksplice patches. Sympto…Alejandro Rodriguez L.-Oracle 445 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux
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OCI: Leapp Fails at "Upgrade requires links in root directory to be relative"APPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS Leapp preupgrade checks fails with below potential risks to the upgrade Risk Factor: high (inhibitor) Title…
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CUPS Fails to Print and Reports “Unable to get printer status”Applies to: Oracle Cloud Infrastructure Symptoms: After configuring a new printer in CUPS, the “lpstat” command shows “Connected to printer” but, after trying to print, …
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SSH Login Reports Error “Could not load host key: /etc/ssh/ssh_host_dsa_key”Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Below messages written into /var/log/secure log file frequently: ... May 8 07:44:5…
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“du” Reports Less Space Utilization than “df”Applies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: The du (/usr/bin/du) and df (/bin/df) commands output display different storage space utilization values: …
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Security Related Posts on Oracle Linux BlogAnalysis of CVE-2025-4598: systemd-coredump FIPS 140-3 for the Linux Kernel Understanding Spectre v2 Mitigations on x86 Pillars of protection—A holistic view of enterpri…
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Oracle Linux Automation Manager Related Posts on Oracle Linux BlogOracle Linux Automation Manager 2.3 is now available on Oracle Linux 9 Automating Leapp upgrades using OLAM Slack Notifications from Oracle Linux Automation Manager Disc… -
Networking Related Posts on Oracle Linux BlogARP Internals: an in-depth exploration of how ARP functions RoCEv2 Congestion Counters Explained Oracle Linux 9.2 receives IPv6 Ready Gold Logo and meets USGv6-r1 standa…
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Migration Related Posts on Oracle Linux BlogUpdate CentOS Linux for free Still on CentOS Linux 7? Easily switch to Oracle Linux, a stable RHEL-compatible alternative Surprising reasons why CentOS users feeling str…
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Memory Management Related Posts on Oracle Linux BlogThe NUMA Awareness of the Linux Scheduler Memory Correctable Error (CE) - Userspace Control soft-offline pages oomwatch - A Userspace Out of Memory Killer - OLED Memstat…
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KVM Related Posts on Oracle Linux BlogIntroduction to CPU Hotplug Configuring Windows Failover Cluster for KVM/QEMU Building KVM selftest static binary on Oracle Linux 8 Virtual Machine UEFI Firmware Debug M…
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Data Storage Related Posts on Oracle Linux BlogIntroduction to ASMLib v3 Using drop_caches probably won’t crash your system What’s new for NFS in Unbreakable Enterprise Kernel Release 8? Device Mapper Multipath, an I…
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Kernel Related Posts on Oracle Linux BlogUEK8 Packaging Internals What’s new in File Systems with UEK8: Btrfs, XFS, and NFS updates Folio Wins Without Trying When cgroup v2 meets nftables: A migration story ign…