Linux
Discussion List
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OCI: Unable to Extend Centos8 Boot Volume Using oci-growfs with Error "No such file or directory"Applies To Oracle Cloud Infrastructure Linux x86-64 Symptoms After extending the Boot Volume in the OCI Console, an attempt to use the “oci-growfs”, the command to exten… -
Manage OpenSSH server from CLI and configure SSH to automatically start during system boot [Linux]Summary: Manage OpenSSH server from CLI and configure SSH to automatically start during system boot Content: Install SSH service $ sudo apt-get install ssh Status from t…User_2025-09-05-00-05-24-389 848 views 2 comments 0 points Most recent by User_2025-09-05-00-05-24-389 Linux
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OCI: User Unable to Login using Password “pam_unix has expired (failed to change password)”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS Multiple users unable to login using password ---/var/log/secure-- Sep 25 12:36:27 …
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OCI: "sshd.service" fails to start on bootOracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The sshd.service fails to start on boot, the following message is seen on the console during th…
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OCI: Ubuntu Spike in CPU Usage Due To Apache ErrorsApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: There was a spike in CPU Utilization seen from the OCI Metrics page: Cause: There …
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OCI: Error 404 Accessing Cups Web Interface - http://localhost:631Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms The CUPS Web Interface (http://localhost:631) is inaccessible with error "404 Not f…
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Leapp Upgrade from Oracle Linux 7 to 8 Fails with "conflicts with file from package"APPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS Using Leapp, upgrade from Oracle Linux 7.9 to Oracle Linux 8 fail after reboot. The …
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where to download xorg-x11-apps rpm OEL8Summary: Content (please ensure you mask any confidential information): Version (include the version you are using, if applicable): Code Snippet (add any code snippets t…
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OCI: Postfix Fails to send Emails with "warning: /usr/lib/sendmail and /us/sbin/sendmail differ"Applies to Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure Symptoms Postfix shows the following warning error: Oct 13 07:23:55 postfix/postfix…
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OCI: Removing Files in FSS is Not Reflected in df outputApplies To Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms After removing files from FSS storage mounted on an instance, the utilization is not…
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OCI: Leapp Upgrade Fails with Error “conflicts with file from package python36-*”Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: Upgrade of OL7 instance to OL8 using leap upgrade fails with following conflict er…
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How to Change Default Kernel on GRUB2 Using the grubby ToolAPPLIES TO: Linux OS - Version Oracle Linux 7.0 and later Linux x86_64 on Oracle Cloud Infrastructure GOAL The purpose of this document is to explain how to make persist…
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linux default usersSummary: Hi all I want to know if it is safe to delete the Unix default oci users, opc for Oracle Linux and ubuntu for Ubuntu machines it does not affect any oci process… -
Oracle Linux - Unable to "su" to non-root userApplies to Linux x86_64 on Oracle Public Cloud Symptoms Unable to "su - user" from the "opc" user account, getting error message as below: [opc@instance] su - user Passw…
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OCI: Ubuntu Network UnreachableApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: When trying to update the ubuntu system with “apt-get update”, the following error…
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OCI: Ubuntu Instance /etc/resolv.conf Is Overwritten at Boot TimeApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: /etc/resolv.conf custom entries get overwritten during boot. Changes: Made an name…
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OCI: vsftpd service fails to start "Failed to start Vsftpd ftp daemon."APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms vsftpd service fails to start on OL Instance $ sudo systemctl start vsftpd Job for …
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OCI: Add sudo root Permissions to Regular Linux User in Oracle LinuxApplies to Oracle Cloud Infrastructure - Version N/A and later Oracle Linux x86-64 Goal There is a need for an additional regular user (testuser in this example) to be a…
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Error "GPG verification is enabled, but GPG signature is not available" in OL9 Custom Image kspliceApplies to: Oracle Cloud Infrastructure Oracle Linux 9 Symptoms: The following errors occur when attempting to use Ksplice on OL9 Custom Image instance for updating the …
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Using apt or yum Fails with Error: "503 Service Unavailable" or "FAILED: Trying other mirror"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 - Ubuntu and CentOS Symptoms: Contacting official repositories for Ubuntu or CentOS intances…
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How to Change Network Device (NIC) Name on CentOS 7 Bare Metal InstanceApplies to: Oracle Cloud Infrastructure Centos 7.9 x86-64 Goal: This document will explain how to change the network device (NIC) name on a Centos Bare Metal instance an…
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OCI: DHCP Fail After Reboot With Error "libdns-export.so.1102: cannot open shared object file"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. Sympto…
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Oracle Linux – How to Change /var Partition to a New DiskApplies To: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud Goal: Move /var partition to a new disk to a… -
update ubuntu private instanceSummary: hi all I created a private Ubuntu instance using the Canonical-Ubuntu-22.04-Minimal-2023.08.27-0 image the image is connected to an public subnet and the vcn ha…
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OCI - How to Mount an Object Storage Bucket as Filesystem in Oracle Linux 7Applies to: Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0] Linux x86-64 Goal This document will explain how to mount an Object Storage bucket as a filesy…
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OCI: Getting Failed Login Attempts from oracle-cloud-agent in Linux Instance While Trying to sudo(8)Applies To: Linux OS – Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud Symptoms: /var/log/secure logs show these er…
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Oracle Linux: How to Remove Java from a Linux InstanceApplies To: Linux OS–Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Linux x86_64 on Oracle Public Cloud Goal: Remove Java versions completely from Ora…
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OCI: Building Initramfs Dracut Shows Error Message "ldconfig exited ungracefully"Applies to Oracle Cloud Infrastructure - Version N/A and later Linu OS - Version Oracle Linux 7.0 and later Linux x86- 64 Symptoms While booting, the messages described …