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OCI: Sudo Fail With Error "sudo:unable to write log file:/var/log/sudo.log: No space left on device"APPLIES TO: Linux OS Oracle Cloud Infrastructure SYMPTOMS: Oracle Linux instance with no space left in the root filesystem “/” showing up sudo errors: $ sudo su - sudo: … -
OCI: Non-Root User Unable to Create Files in OCIFS FilesystemApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms For this case, the bucket name is bucket1 and is mounted on /ocifsmnt filesystem. Non-root user "opc" is un…
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OCI - Error messages in log file /var/log/messages "scsid: iscsid: session with sid 1 not found"Applies To Oracle Cloud Infrastructure Linux OS Symptoms var/log/message file is showing below messages multiple times. $ cat /var/log/message: iscsid: iscsid: session w…
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OCI/Linux – faillock Command Does Not Display AnythingApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: faillock(8) command does not display any output for individual users. [root@XXXX ~]# faillock [root@XXXX ~]# C…
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OCI: How To Copy All Data Across Two Filesystems Using "rsync" CommandApplies To Oracle Cloud Infrastructure Linux OS Goal Two different filesystems are mounted in a Linux system, for example: /mnt1 /mnt2 There is a need to copy all the da…
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OCI: Unable To Switch to root User from opc UserApplies To: Oracle Cloud Infrastructure Linux OS Symptoms: Can't switch from opc user to root user. sudo(8) fails with: "sudo: /bin/sudo must be owned by uid 0 and have …Baisakhi Mahapatra -Oracle 100 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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OCI: BareMatel Server Rebooted with Kernel panic - not syncing: Timeout during microcode update!APPLIES TO Oracle Cloud Infrastructure Linux OS SYMPTOMS BareMetal servers rebooted automatically post patching. We see the following logs messages file: Feb 16 15:59:49…
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OCI - OOM (Out-Of-Memory) is Killing dnf on Newly Created Compute Instance while Performing dnfAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS While performing dnf install , OOM ( Out-Of-Memory ) is killing dnf command on newly created Oracle Linux 8 com…Baisakhi Mahapatra -Oracle 874 views 0 comments 0 points Started by Baisakhi Mahapatra -Oracle Linux
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Postfix Cannot Start Due to "fatal: parameter inet_interfaces: no local interface found for ::1"Applies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms postfix.service cannot start due to t…Alejandro Rodriguez L.-Oracle 160 views 0 comments 0 points Started by Alejandro Rodriguez L.-Oracle Linux -
multiple public ips on oracle linuxSummary: How to assign more than two public IPs to a VM in OCI? Content (please ensure you mask any confidential information): dear community For load distribution reaso… -
OCI - How To Disable Password Quality Checks in Oracle LinuxApplies to: Oracle Cloud Infrastructure Linux x86-64 Goal: By default, when creating a password for a user in Oracle Linux, multiple password quality checks are enforced…
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How to validate that sudoers files and its included files have the correct syntaxAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 GOAL: When editing /etc/sudoers file it is recommended to do it with visudo since it validates the syntax for errors… -
OCI – Yum Update Error: <URL>: [Errno 14] HTTP Error 403 – Forbidden Trying other mirror.APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS yum update oryum repolist command showing error HTTP Error 403 – Forbidden Trying other mirror # yum repolist L…
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OCI: How to Enable Password Based Authentication on Ubuntu 22.04 InstanceApplies To: Oracle Cloud Infrastructure - Version Ubuntu 22.04 and later Goal: Enable password authentication on OCI Compute Ubuntu Instance. Solution: Login to OCI Comp…
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How To Migrate A System From Oracle Linux Manager (OLM) To OS Management Hub(OSMH)Applies to: Oracle Linux Manager OS Management Service OS Management Hub Goal: Oracle Linux Manager (OLM) has been a common management solution for Oracle Linux customer…
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OCI: User Exceeded Maximum Active ConnectionsApplies to Oracle Cloud Infrastructure Linux x86-64 Symptoms The following is seen in the /var/log/messages logs: Apr 26 08:58:42 usiadecnobiap01 dbus-daemon[1675]: [sys…
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OCI: How to add secondary AD servers in SSSDAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 GOAL: By default SSSD only allows a primary and a secondary AD using ad_server_primary ad_server_backup To add more …
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OCI: Yum Update Is Ending Up With Error Error Package tuned-profiles-oci (@ol7_optional_latest)Applies to: OCI Compute - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Symptoms: #yum update Loaded plugins: langpacks, ulninfo Resolving Dependen…
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OCI: OL8 ARM Instance rpm process high memory usage followed by OOM and hungApplies To: Oracle Cloud Infrastructure Linux x86-64 Symptoms: OL8 ARM Instance rpm process consumed high memory usage followed by OOM and hung. rpm-4.14.3-26.0.1.el8.a…
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OCI: Port 80 and 443 Became Inaccessible After RebootAPPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS 3rd party Web Application Site became inaccessible after server reboot even the port…
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OCI: How to change or add a label to an XFS file systemAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 GOAL: Some systems use LABELS instead of UUIDs to mount their file systems. This is particularly true with Exadata s…
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Oracle Linux 7/8: iscsid Service Fails When Using Oracle Ksplice and SELinux in Enforcing ModeApplies to: Linux OS - Version Oracle Linux 7.0 to Oracle Linux 8.0 [Release OL7 to OL8] Oracle Cloud Infrastructure Linux x86-64 Linux ARM 64-bit Symptoms Starting the …
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OCI/EXACC: After Upgrading to ExaData 23.1 (OL8-based) SSH Logins Fail with "Authentication failed."Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Exadata CC Symptoms: After uprading to Exadata 23.1, logins via ssh Fail with the following …
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OCI: mkfs.btrfs does not always trigger an entry in /dev/disk/by- uuidApplies to: Oracle Cloud Infrastructure Linux x86-64 Symptoms: Unable to mount brtfs filesystem intermittently via fstab using UUID $ mount -av mount: /aplm/scratch does…
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Oracle Linux: "ABORT_TASK: Sending TMR" Messages Caused System Crash or HangApplies to: Linux OS - Version Oracle Linux 6.0 to Oracle Linux 7.9 [Release OL6 to OL7U9] Linux x86-64 Symptoms: The system is experiencing crashes or hangs and "ABORT_…
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Unknown Log File /.service Using Up Disk Space in Root FilesystemApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms It is observed that an unknown file is present in the root filesystem: cd / ls -alt…
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OCI – How to install/update specific CVE and ELSA in Oracle Linux using yum commandsAPPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS How to install/update specific CVE & ELSA number in Linux using yum command Solution Follow the below commands …
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OCI: How to update OpenJDK Java on Oracle Linux 7 or LaterIn order to update the version of OpenJDK installed on an instance running Oracle Linux (OL) 7 or later, use the following steps: 1). Ensure the yum repository or softwa…