Linux
Discussion List
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OCI: Yum Unable to Find oracle-cloud-agent RPM package in OL7 InstanceApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms In a OCI OL7 instance where oracle-cloud-agent is not installed, when trying to ins… -
OCI:oci-growfs Utility Failed with Error “Unable to expand /dev/sda3. No partitions expanded, exit.”APPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS: Unable to increase the size of root filesystem from default size and it reports fo…
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OCI Linux: Intermittent User Lookup Failure For Local or Remote Users While Using AD AuthenticationApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Oracle Linux server integrated with AD user is experiencing slow latency and connec…
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How to Change the Value for ARG_MAX in Oracle LinuxApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal In Oracle Linux, the POSIX compliant ARG_MAX parameter determines the possible length i…
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How to Enable zram in Ubuntu 20.04Applies to: Oracle Cloud Infrastructure - Version N/A and later Ubuntu 20.04 and later Goal Enable zram module in ubuntu 20.04 Solution In order to enable zram on Ubuntu…
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How to Reduce an Instance Boot or Block Volume Disk SizeAPPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 GOAL How to reduce an OCI Instance Boot or Block Volume Disk Size, i.e from 100GB to 50GB or…
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OCI: Instance 20 Second Delay After Bad Password Login Attempt in SSHApplies to Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms When a wrong password is used when logging into an instance using SSH password authe…
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Oracle Linux: CRNG Entropy Value in Oracle Linux with UEKr5 Update 5 or UEKr6 Update 2 and laterApplies to Linux OS - Version Oracle Linux 7.9 with Unbreakable Enterprise Kernel [5.4.17] and later Linux x86-64 Goal When using UEKr5 Update 5 ( 4.14.35-2047.517.1.el7…
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Oracle Linux: uptrack-update Fails with "Error processing ksplice- pxyfnay6.tar.gz"Applies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Running uptrack-update returns the following error, $ uptrack-upgrade -y ..... Inst…
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Users With nologin Shell Unable to Login to FTPApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Symptoms Users with default shell /sbin/nologin configured in /etc/passwd, are not able to l…
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OL7 upgradeSummary: Hi, the only way to upgrade OL7 (to OL8) is using leapp ? Using yum tool is not allowed ? thanks. Content (required): I need to perform this upgrade since curre…
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Oracle Ksplice Zero-Downtime Patching for Ubuntu InstancesOracle Cloud Infrastructure users has Oracle Ksplice support to Ubuntu instances on Oracle Cloud Infrastructure at no additional cost. With Oracle Ksplice support, you c… -
Managing DHCP Options For Linux Instances in a VCNTo specify DHCP options for a linux instance, you need to set the DHCP options for the specific subnet in the virtual cloud network (VCN) that your linux instance is usi… -
How to Configure RDP on an Ubuntu 20.04 InstanceThe following steps show how to install a Gnome 3 desktop and xrdp on a standard Ubuntu 20.04 instance. This will allow the Ubuntu instance to work with the RDP protocol…
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Using port 8008 for HTTP service on Oracle LinuxSummary: I have a Compute instance running Oracle Linux 8.6 server. I use it to run nginx proxying to a couple of web apps on the backend. I have port 80 working. But tr…
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OCI: What is the ocivolume-oled Volume Mounted on /var/oled FilesystemApplies to Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 7.0 and later Linux x86-64 Goal Describe the /dev/mapper/ocivolume-oled Vo…
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OCI Instance Migrated From Intel to AMD Shape Does Not Boot SuccessfullyApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux X86-64 Symptoms Ubuntu based 20.04 custom image instance is working correctly using Intel based OCI…
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OSMS agent service fails to start on instances with more than one VNICAPPLIES TO: Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform. SYMPTOMS OSMS agent service fails to start on insta…
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Attaching a paravirtualized volume with specific device pathSummary: Link: https://docs.oracle.com/en-us/iaas/Content/Block/References/fstaboptionsconsistentdevicepaths.htm#fstab_Options_for_Block_Volumes_Using_Consistent_Device_…
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OCI: Ubuntu ufw Fails to Open Ports while firewalld is Installed and RunningApplies to: Oracle Cloud Infrastructure - Version N/A and later Ubuntu OS Symptoms: On an Ubuntu 22.04 images, firewalld was installed and started while ufw was configur…
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SFTP/SSH Client Sometimes Reports Host Key Changes When Connecting to ServerApplies to: Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 and later Any platform. Symptoms An application or SFTP/SSH client re…
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How to Configure RDP on an Ubuntu 20.04 InstanceThe following steps show how to install a Gnome 3 desktop and xrdp on a standard Ubuntu 20.04 instance. This will allow the Ubuntu instance to work with the RDP protocol…
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OCI: LFTP Transfer From On-Prem To OCI Fails With "Access Failed: 550 Failed to Change Directory"Applies to: Linux OS - Version Oracle Linux 7.0 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 SYMPTOMS File Transfer From On-Premises to OCI…
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How To Install a Graphical Desktop on an Ubuntu Instance1). From a shell prompt, run the following commands to install the Xfce4/xubuntu desktop, which is a light-weight GUI desktop for Ubuntu: (ubuntu) $ sudo apt update (ubu…
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OCI: Managing DHCP Options For Linux Instances in a VCNTo specify DHCP options for a linux instance, you need to set the DHCP options for the specific subnet in the virtual cloud network (VCN) that your linux instance is usi…
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Sudo Fails with Error Message Ending With "/usr/bin/sudo: No such file or directory"An Oracle Linux or Red Hat Linux based server tries to run sudo commands, but the commands fail with the following error message: "/opt/rh/devtoolset-11/root/usr/bin/sud…