Linux
Discussion List
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System Files /etc/hosts and /etc/resolv.conf Changed During BootApplies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: The system files /etc/hosts and /etc/resolv.conf file were changed during boot, loosing customization. Cau… -
FSS NFS Share Automount Snapshot Mount Point After Running Find CommandApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: After mounting a nfs share exported from FSS it also mount .snapshot directory whe…
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Running Cron Script on System Reboot Sometimes FailsApplies To: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux OS - Version Oracle Linux 5.0 to Oracle Linux 8.0 [Release OL5 to OL8] Linux x86-64 on O…
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Oracle Linux 8: How To Access the Boot Menu (Grub Menu)Applies to: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Goal This document will explain how to access the B…
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OCI-How to configure and troubleshoot NTP Client in Oracle Linux 6/7 instances in OCIAPPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. PURPOSE In Oracle Cloud Infrastructure(OCI), there …
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Upgrade ubuntu imageSummary: upgrade ubuntu Content (required): Version (include the version you are using, if applicable): Code Snippet (add any code snippets that support your topic, if a… -
How To Create A Frozen Custom Source in OSMSApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal This document will explain how to create two frozen custom sources in OSMS and how to a…
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OCI: How to Expand the Root Filesystem to Use The Available Space in the Boot VolumeApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal OCI instances can be created with a custom Boot Volume size. The size can be between 50…
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Oracle Cloud Infrastructure : How to Resize the Block Volume Storage and Filesystem On Oracle LinuxApplies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux x86-64 Goal This KM will provide the steps about resize the block storage volume at the …
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Error "Permission denied(publickey,gssapi-with-with-mic)" When connecting to Instance Using OPC userApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Unable to connect to instance getting error "Permission denied (publickey,gssapi-ke…
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ASLR is disabled in Oracle Linux 7 system - kernel.randomize_va_space = 0Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Oracle Compute Cloud Service - Version N/A and later Inform…
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How to Send Email With Mailx Using STARTTLSApplies to Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 Goal How to send email to a remote mail server,…
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Unable to Get Internal Yum Repositories on OCI Instances while Using Private SubnetAPPLIES TO Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux x86 SYMPTOMS: While using an OCI instance on Private-Subnet ONLY (no access to internet a…
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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…
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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…
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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…
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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…
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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…
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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…
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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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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…