Category 631
Discussion List
-
OCI : Enable SSH Debug for TroubleshootingApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Goal In some cases, you encounter ssh slow issue and need to find out… -
OCI : How to Setup a NFS server on Oracle Linux 7Applies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Information in this document applies to any platform. Goal This KM will explain how to setup a…
-
OCI: Unable To Send Mail Through OCI Email Delivery, Failed With Error "DSN: Service unavailable"Applies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Symptoms Configured email delivery service and conf…
-
Oracle Linux 8: Fail to Open Port in FirewallDApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 8.0 and later Information in this document applies to any platform. Sympt…
-
OCI - How To Add Oracle Linux 6 ELS Software Sources in OSMSApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 Linux x86-64 Goal The following steps below shows how to add Oracle L…
-
Oracle Linux: How To Allow Non-Root Users To Bind To Port 80Applies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 Goal To allow unprivileged users to…
-
OCI Internal Yum Repositories Not Accessible From Instance "Operation timed out after 30001"Applies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Symptoms Yum operations show that one or more of th…
-
Oracle Cloud Infrastructure - How Create a SSL Certificate for a Load BalancerApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal The Load Balancing service does not generate SSL certificates. It can only import an ex…
-
OCI: Upgrade Oracle Linux 7 to Oracle Linux 8 Using LeappApplies to: Oracle Cloud Infrastructure OS Management Hub (OSMH) Linux x86-64 Goal This document describes how an OCI Instance can be upgraded from Oracle Linux 7 to Ora…
-
Oracle Linux 8 grub error "kernel too small"Summary: OCI instance running OL8 with dnf-automatic configured to auto-upgrade the packages. Woke up one morning recently to find the instance not contactable. Cloud co… -
OL8 ARM Instance Fails to Boot After an Upgrade and Reports Error "linux.c:86:kernel is too small"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux ARM 64-bit Symptoms OCI OL8 ARM shape instance fails to boot after OS upgrade and it reports follow…
-
ExaCC CPU-Scale Up Fails With "smpboot: do_boot_cpu failed(-1) to wakeup CPU#"Applies to: Linux OS - Version Oracle Linux 6.0 and later Oracle Cloud Infrastructure Linux x86-64 Symptoms: After scale-up on an ExaCC Gen 2 system vCPUs missing on dom…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…