Category 631
Discussion List
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How to Check If an Oracle Linux System is Affected by a Vulnerability (CVE)APPLIES TO: Linux OS - Version Oracle Linux 7.0 to Oracle Linux 8.4 [Release OL7 to OL8U4] Oracle Compute Cloud Service - Version N/A and later Oracle Cloud Infrastructu… -
How to change host name and FQDN of a Compute instanceApplies to: Oracle Cloud Infrastructure Goal This document explains how to change the host name and fully qualified domain name (FQDN) of a Compute instance. Solution To…
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Oracle Linux: Boot Failed With Error: "systemd[xx]: Failed at step CGROUP spawning /sbin/****:APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Information in this document applies to any platform. SYMPT…
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How to move "boot" folder present under "/" filesystem to a separate file systemApplies to: Oracle Cloud Infrastructure Linux OS – Version Oracle Linux 5.0 to Oracle Linux 8.3 (Release OL5 to OL8U3) GOAL How to move "boot" folder from under "/" file…
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OCI: Change SSH User Authentication KeyApplies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux x86-64 Goal Customer inquiries about creating new SSH Keys and adding them to an existin…
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OCI: DBCS Instance Unable to Boot and Report Error "Boot from SAN device 0x80 failedApplies to: Oracle Cloud Infrastructure Linux x86_64 SYMPTOMS Unable to boot OCI DBCS instance with following error and prior to this error fiocommand was executed on ro…
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OCI: Facing Issue with Linux Instance BootingApplies to: Oracle Cloud Infrastructure SYMPTOMS OCI Oracle Linux instance fails to boot. Serial console connection shows an EFI boot error: Registered SAN device 0x80 A…
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OCI: Systemd Failed To Start Services And Resulted in Error: "Failed to get D-Bus connectionApplies to: Oracle Cloud Infrastructure Linux OS – Version Oracle Linux 7.0 and later SYMPTOMS In Oracle Linux 7.x server, systemd was broken and thus the services inclu…
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OCI: Why OL7 Instance Network Status Reports Error "Failed To Start LSB: Failed To Start LSB: BringApplies to: Oracle Cloud Infrastructure Linux x86_64 SYMPTOMS After network restart, service status on OCI instance is report following errors; # systemctl status networ…
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OCI: Unable to Access TCP Port in Ubuntu InstanceApplies to: Oracle Cloud Infrastructure Linux x86_64 SYMPTOMS An application is configured to listen for connections on a TCP port (e.g. 10000) in the instance. There ar…
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How to Remove stale ISCSI Target Node Information from ISCSI Initiator ServerApplies to: Oracle Cloud Infrastructure Linux OS – Oracle Linux 5.1 to Oracle Linux 7.6 (OL5U1 to OL7U6) SYMPTOMS Stale ISCSI target connections which are still present … -
OCI: SSH to Instance Failed at "Connection refused"Applies to: Oracle Cloud Infrastructure Linux x86_64 SYMPTOMS When ssh to an instance, it fails with "Connection refused" as follows: OpenSSH_7.1p2, OpenSSL 1.0.1g 7 Apr…
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Oracle Linux: Server Got Shutdown With "systemd-logind: Power key pressed" MessageApplies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Server got shutdown with the below m…
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OCI - Unable to SSH into Instance with Error "connect to host x.x.x.x port 22: Connection refused"Applies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: Unable to login to OCI instance and attempts fail with error: ssh: connect to host x.x.x.x port 22: Connec…
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System Hang in: "mfe_fileaccess_wake_up_all_events_and_reset_scanningQueue"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 and later Symptoms: Instance hangs with /var/log/messages* showing RI…
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Yum Update Fails With Error "package_newer_ver.x86_64 is a duplicate with package_older_ver.x86_64Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: The command "yum update" fails with duplicate package error: Error: Package: glibc…
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SSH Using AD Fails with Error: [be[<DOM>]] [ad_gpo_access_done] (0x0040): GPO-based access controlApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 8.1 and later Symptoms: The system is configured to authenticate to an Ac…
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Oracle Linux: Slow NFS TransferApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 and later Symptoms: Slow NFS read and write access. Kernel ring buffe…
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Oracle Linux 6: Security Update Not Available in Public RepositoriesApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 to Oracle Linux 6.10 [Release OL6 to OL6U10] Symptoms: Oracle announc…
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Local user account unable to "su" to another local user accountApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 5.0 to Oracle Linux 8.3 with Unbreakable Enterprise Kernel [5.4.17] [Rele…
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How to Install pip in OL7 to Enable Python Modules InstallationApplies To: Oracle Cloud Infrastructure - Version N/A and later Goal: Need to install pip to install additional python modules in OL7. Solution: In Oracle Linux 7 OCI in…
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iscsid: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: ...)Applies To: Oracle Cloud Infrastructure - Version N/A and later Goal: Below messages appear sporadically in OCI instances: Sep 22 04:34:28 kernel: connection1:0: detecte…
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How To Apply Security Update On Oracle Linux 6 and 7Applies to: Linux OS - Version Oracle Linux 6.0 to Oracle Linux 7.6 [Release OL6 to OL7U6] Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux x86-64 Go…
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Setting PRESERVE_HOSTINFO=2 in /etc/oci-hostname.conf Does Not Prevent /etc/resolv.conf OverwriteApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms On : OCI Linux instance Setting PRESERVE_HOSTINFO=2 in /etc/oci-hostname.conf does …
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How to reset a forgotten root password from Serial Console of Oracle Linux instance in OCIApplies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Information in this document applies to any platform. Goal If you can't SSH to Oracle Linux In…
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Still Cannot Connect to Ports XXXX Even After Adding to VCN Security Rules and IPTables RulesApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Connections to certain ports still fail even when they are allowed in VCN security…
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OCI: How to configure a secondary VNICs in OL7 Instance via oci-network-configApplies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Goal This article illustrates how to use OCI utili…
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How to Change MTU SizeApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 and later Linux x86-64 Goal: This document details steps to change MT…
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Set up Secure VNC server in OCI Compute instancesApplies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Goal Set up Secure VNC server in RHEL /Oracle Linux…