Category 631
Discussion List
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OCI - How To Recreate ocfs2 cluster.conf with global-heartbeat optionApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This document outlines the steps required to recreate the /etc/ocfs2/cluster.conf usin… -
OCI: ssh to instance fail with error "packet_write_wait: Connection to IP port 22: Broken pipe"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When trying to ssh into an instance, it fails with the error below: $ ssh packet…
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OCI Unable to update uek kernelApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Unable to update the UEKR5 kernel. While running a “dnf update”, the output provide…
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OCI-Ubuntu-Instance-Fails-to-BootApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms An Ubuntu instance fails to boot, the following is seen in the console: Boot Option…
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OCI: Unable To Mount OCFS2 Filesystem Due To Unavailability of Port 7777Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 on Oracle Public Cloud Symptoms: OCFS2 cannot be mounted. [root@test]# mount /s10 mount.ocfs…
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OCI Instance boots into maintenance modeApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The system is trying to enter maintenance mode for manual intervention but is faili…
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OCI: OCFS2 Filesystem on iSCSI device Fails to Mount on BootApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The OCFS2 filesystem fails to mount on boot, the following or similar messages are …
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OCI: ABRT:OL7:iscsiadm segfaults when run as non-root user and with iscsi block volumesApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Executing the ‘iscsiadm -m session’ with the ‘orarom’ user on OL7 below fails with …
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OCI: OCFS2 Mount Fails with "Internal logic failure while trying to join the group"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms When mounting OCFS2 filesystem, an internal logic failure is reported: # mount /sVD…
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OCI: How To Migrate Iptables Firewall Rules to a New ServerApplies to Oracle Cloud Infrastructure - Linux OS Goal How to easily copy your active iptables rule set from one server to another. Solution To migrate your iptables fir…
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OCI: Unable To Use CIFS Utils After Patching to Kernel uek-5.15.0-203.146.5.1.el8uek.x86_64Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 8.5 with Unbreakable Enterprise Kernel [5.15.0] and later Linux x86-64 Sy…
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OCI: "sshd.service" fails to start on bootThe sshd.service on a linux instance fails to start on boot, with the following message is seen on the console during the boot process: Failed to start OpenSSH server da… -
Pgp Encryption Not Working After OS Upgrade "gpg: decryption failed: No secret key"After upgrading a linux system from Oracle Linux 6 to Oracle Linux 8 and importing the pgp public and secret key to the upgraded server, the existing jobs which were usi…
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Leapp Pre-upgrade Check Fails with "Upgrade requires links in root directory to be relative"Running a pre-upgrade check from Oracle Linux 7 to Oracle Linux 8 using leapp fails with the following error: # leapp upgrade --oraclelinux =============================…
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OCI : How To Get Details of A Scheduled Job In OSMS Using the CLIIt is possible to get the details of a scheduled job in OSMS using the OCI CLI, including the "update-type" value. To get details of a scheduled job, use the oci command…
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How To Create an OSMS Custom Software Source Using OCI CLI InterfaceThis document describes how to create an OSMS Custom Software Source using the OCI CLI interface (oci command). The following example shows how to set up a custom OSMS s…
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OCI: FSS NFS File System Snapshot Is Displayed in the Mounted List (df-h output)Applies To: Oracle Cloud Infrastructure Linux OS Symptoms FSS NFS file system snapshots are displayed in the mounted list on the Linux instance without any action. An au…
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How To Disable Weak Cipher And Insecure HMAC Algorithms in SSH services for Oracle Linux 6 and laterApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal: This article shows how to disable weak ciphers like CBC and insecure MACs like HMAC MD…
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Nameserver entries in /etc/resolv.conf reset on rebootOCI VM Oracle Linux Server 7.9 In my /etc/resolv.conf I have two instances of nameserver specified: nameserver xx.xx.x.**** nameserver xx.xx.x.**** After a reboot, the /… -
OCI Ubuntu: "apt update" Returns "Could not resolve 'security.ubuntu.com'"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When executing "apt update" or "apt-get update" on Ubuntu, the command can return …
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OCI: “no-port-forwarding, no-agent-forwarding, no-X11-forwarding" in root user authorized_keysApplies to : Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal In OCI Oracle Linux platform image instances, the file /root/.ssh/authorized_keysis au…
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OCI: Sudo Error This Account Is Currently Not Available.Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms sudo to root user fails with the following error: $ sudo su - This account is curre…
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OCI: New Mount "/run/user/1001" Created Post System PatchingApplies To: Oracle Cloud Infrastructure Linux OS Symptoms After applying latest patch on server and database, an extra mount point (/run/user/1001) was mounted in the a…
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OCI: Pre Leapp Upgrade - Errors during downloading metadata for repository 'ol8_ksplice'APPLIES TO: Oracle Cloud Infrastructure Linux OS SYMPTOMS Below error while running pre upgrade by leapp. * dnf_transaction_check This actor tries to solve the RPM trans…
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OCI: yum reports two different versions of the "setup" packageAPPLIES TO Oracle Cloud Infrastructure Linux OS SYMPTOMS Duplicated packages as yum reports two different versions of the "setup" package hence fail to yum update "setup…
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OCI: Ubuntu Instance Fails to Boot With Kernel Panic “Not syncing: VFS: Unable to mount root fsAPPLIES TO: Oracle Cloud Infrastructure Linux x86-64 SYMPTOMS On OCI Ubuntu Instance, After Installing a new Kernel the Instance no longer boots using the latest kernel,…