Linux
Discussion List
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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… -
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… -
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 …
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SSH to Instance Failed at "Permission denied (publickey,gssapi-keyex,gssapi-with-mic)" in OCIApplies To: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. Symptoms: When SSH'ing to an instance, this "Permis…
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OCI: Users Are Unable to Do SSH Authentication on AD ServerApplies to: Oracle Cloud Infrastructure - Version N/A and later Oracle Linux 7 x86_64 and later Symptoms Some users are able to login with ssh via AD credentials, while …
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OCI: Instance Fails to Boot Latest Linux KernelApplies To Oracle Cloud Infrastructure Linux x86-64 Symptoms The instance fails to boot into the latest kernel after installing the latest RHCK kernel The latest kernel …
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OCI DBaaS: Kernel Patches missing in DBCS instance using dbcli utilityApplies To: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms: On OCI DBCS instance "dbcli get-availableospatches" shows no updates available, so…
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OCI Linux: Mount Command Failed with Error "mount: can't find LABEL=VAR"Applies To: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 Symptoms: This issue occurred during Exadata P…
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OCI: How To Install psutil Offline without using pip3 and InternetApplies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-6 Goal The goal of this document is to Install ps…
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OCI: SSH login fails with "Network error: software caused connection abort"APPLIES TO: Oracle Cloud Infrastructure Linux OS GOAL: This document describes how to access Oracle Linux instance when encountering error - Network error: software caus…
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OCI: "linux-config" Package Update Starts The firewalld serviceApplies TO Oracle Cloud Infrastructure Linux OS SYMPTOMS oci-linux-config package updated to the version 2.0-1.0.25.el8.noarch started the firewalld service $ systemctl …
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OCI: How to Configure RSYSLOG to Use UTC Timezone?Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal How to configure RSYSLOG to use UTC timezone? The default rsyslog time zone is the loca…
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Oracle Linux - ClamAV Package Update with Dependencies ErrorApplies To: Linux OS–Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9] Oracle Cloud Infrastructure - Version N/A and later Symptoms: Oracle Linux 7.9 wit…
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OCI : How to Configure ACL on an OCI FSS (OCI File Storage Service) ShareAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 GOAL Provide read-only or any specific permission for an/few users account/accounts SOLUTION OCI FSS (OCI File Storag…
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OCI: How to Create Network Route Rule Persistent Across OS Reboot Or Network Service RestartAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 GOAL To create Network Route rule configuration to be persistent across Linux OS reboot. Route rule temporarily added…
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OCI: System Fails To Mount Attached Block Volumes As It Is Unable To Load The "iscsi_tcp" moduleAPPLIES TO Oracle Cloud Infrastructure Linux x86-64 SYMPTOM Additional mount points - /u01 and /u02 are not mounted after a reboot. CAUSE After performing a “yum update”…
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OCI: Yum Command Failed With Error "Curl error (6): Couldn't resolve host name for https://yum..."APPLIES TO Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOM The following “yum” command fails as it cannot resolve the URL contained in the “repo…