LXKM
Discussion List
-
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… -
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… -
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… -
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 …
-
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… -
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… -
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… -
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…
-
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 … -
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 … -
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… -
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_… -
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 … -
OCI: Unable to run sudo to root with error "sudo: no valid sudoers sources found, quitting"Applies To Oracle Cloud Infrastructure Linux x86-64 Symptoms Unable to run “sudo su –“ command due to issues seen in files located the /etc/sudoers.d / directory $ sudo … -
OCI: Instance unable to boot due to missing /etc/fstab fileApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The instance fails to boot normally and instead booted to maintenance mode and the r… -
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… -
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… -
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… -
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 … -
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… -
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… -
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… -
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… -
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 … -
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… -
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…