Questions tagged [oracle-linux]

Oracle Linux is a Linux distribution derived from Red Hat Enterprise Linux

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Alternative to "gksu" in "su" mode for non-root users

On an Oracle Linux 8 installation, I am trying to implement a desktop launcher for the GNOME shell where the (graphical) program is to be run as a different (non-root) user. However, I want to enforce ...
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Oracle Linux 7.9 - SSL Handshake failure

I ran into a weird issue involving 2 Oracle Linux 7.9 machines running on 2 different OCI (Oracle Cloud Infrastructure) tenancies. The source and destination server are in different networks and have ...
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Oracle VPS outgoing through VPN, but still allow incoming connection on public ip

I currently have a node js express app being hosted on a oracle linux VPS. What I want to do is have my VPS traffic outgoing through a VPN via openvpn, but still allow connections so I can ssh into it ...
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User service is not running after the rebooting

I have created a service xvfb and copied it under directory /usr/lib/systemd/system/ also I have created another xvfb.serive which internally start/stop my xvfb service. I want my service to start ...
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Missing Oracle Linux (red hat family) Locales

I was logging on to a dev oracle linux 7 system and noticed these warnings when logging in: Last login: Thu Mar 24 15:23:29 2022 from x.x.x.x -bash: warning: setlocale: LC_ALL: cannot change locale (...
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What is all the possible error output in Unix's df command

i'm trying to make a monitoring script that do health check of the filesystem in every several seconds. I want to monitor the "df" command, so that i can know if there is any NAS filesystem ...
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How to install php 8 to aarch64 oracle linux?

Since official Oracle Linux only support up to 7.4 and Remi repo also doesn't support aarch64 , how to install PHP 8 to aarch64 oracle Linux?
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How update all packages in Oracle Linux 7.5?

How could be possible to update all yum repositories in /etc/yum.repos.d/ directory? Is this command is right for this purpose? yum update repolist or yum repolist all
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how to configure network load balancer in oracle cloud and Apache of Oracle Linux

what I understood so far: if we add two computes with the same weight in a load balancer it will send the request to the based on the load balancer type to both the node; so both the nodes must be in ...
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detach iscsi disks from machine and reattach without reboot- device mismatch in lvm

I have a server running Oracle Linux 7.8 and an ISCSI storage which I'm having problem reattaching the iscsi drives without a reboot. My goal is as such: Removing currently attached ISCSI disks Re ...
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Set umask for sshfs on OEL

Reading the other posts here, such as set umask for sshfs-mounted filesystem, I am still not getting expected results. Both my systems run OEL7. on machine1, I mount a folder from machine 2 by putting ...
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How to yum list installed packages that are not in repositories

I'm running Oracle Linux/RHEL and trying to get a list of installed packages whose name/arch is not in any active repository. When doing yum list installed these packages are displayed in red, but is ...
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eth0 configuration missing on Oracle Linux | cabled connection not working

I have installed Oracle Linux 7.9 on my laptop (not VM, just normal installation on an unused laptop). The WIFI connection works great, out of the box, no settings done beside just connecting to wifi. ...
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How to resolve "A start job is running..." after kernel update

I am having trouble accessing a Oracle Linux 8 VM in Oracle Cloud, following a kernel update yesterday. I need help in knowing how to resolve the issue, or even if I should try. (The alternate being ...
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/etc/sudoers file corrupted and I can’t run ‘pkexec visudo’ over SSH in oracle linux

Hello i am login in oracle linux using ssh file my sudoers file is corrupted and when i am trying to run below command: pkexec visudo it shown error as below ==== AUTHENTICATING FOR org.freedesktop....
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why would my /opt symlink get removed and created as dir after running dnf update

I am running an Oracle Linux 8.5 server, we have a symlink /opt pointing to another location (/etc/) but after running: dnf update, the symlink was not there anymore and a directory /opt (empty) was ...
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Stop Application from listening to a particular port

Background We would like to configure a Linux machine so that it doesn't automatically listen to a port; whether a default port or not. We are using Oracle Linux and RHEL. Issue How can we prevent our ...
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Error parsing config: Error parsing "baseurl" - Oracle Linux

The OS of my machine is Oracle Linux Server 7.5. I need to install a command via a repository, precisely yum --enablerepo=packages-microsoft-com-prod install mdatp, but I get errors like: libatomic-4....
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what does the dd command do

hello i am very new at linux and was reading a internal documentation on creating space. i came across this command can some one please explain what this command means dd if=/dev/zero bs=1G count=20 &...
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How to completely remove docker from Oracle Linux 7

I installed docker on Oracle Linux 7 with sudo yum install docker and thought I removed it with sudo yum remove docker but/usr/bin/docker is still there: $ docker --version Docker version 19.03.11-ol, ...
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Can i move samba from device to another?

I downloaded the samba on my operating system (Oracle Linux 8), I want to copy it to another device that have the same operating system but without internet connection. How can I do that?
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Mounting another partition doesn't show up

I'm trying to mount another partition on Oracle Linux, when I try to mount, the partition doesn't show in the mount point other than some generic EFI & xfs folders. fdisk -l shows something like ...
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Automating mysql_secure_installation on Oracle Linux 8

I'm trying to automate mysql_secure_installation for Mysql 8.0 on Oracle Linux 8. After searching on web I got the below script. #!/bin/bash MYSQL_ROOT_PASSWORD="test@123" SECURE_MYSQL=$(...
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VNCServer fails to start with error: couldn't find "/bin/vncpasswd"

I'm using Linux with below specifications : Virtualization: VMWare Operating System: Oracle Linux Server 7.4 CPE OS Name: cpe:/o:oracle:linux:7:4:server Kernel: Linux 4.1.12-94.3.9.el7uek.x86_64 ...
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DNF not listing some packages from local repository

I have a local repository of MariaDB 10.6 packages made with the following reposync syntax: reposync --download-metadata --newest-only --repoid=$REPOID --config=$REPOCONF -p $REPOPATH/ The contents ...
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Oracle Linux 6.7 - Nohup: Argument list too long

There are 1 million directories and some files in directories (.pdf, .csv etc.) under the path I have specified below: /data/upl/repo/exp/ I want all files and folders older than 1 year to be deleted,...
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unzipping hangs while trying to create stage area for EBS 12.2

I'm trying to install EBS 12.2 on my linux server. during the process of creating stage area the unzipping hangs at this phase: /d02/EBS/startCD/Disk1/rapidwiz/bin/stageData/zipFiles.dat The set of ...
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-2 votes
1 answer
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Installing Oracle Linux 8

I have built a virtual machines, the CPU has 1 socket with 4 cores and 4GB memory and it has 3 Disks. I choose the custom storage method as I want to install OL8 assigning the following: /root (/) LVM ...
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2 answers
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Can't Extend Oracle Linux Partition

I've been struggling to extend the sda3 partition shown below to the max available on sda which is 100G. I wasn't aware my distro was Oracle Linux & I was trying all the solutions available for ...
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Is Oracle Linux with Red Hat compatible kernel identical to RHEL?

With CentOS dying and being reincarnated as an upstream beta of RHEL, I have been searching for alternatives that can be used in production. Oracle Linux emerges as the most likely candidate. I ...
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-1 votes
1 answer
319 views

yum shows unresolvable URLs

I have an instance in the Oracle Cloud based on Oracle-Linux-7.7-2020.02.21-0 yum update and any other yum command yields the following error: ... failure: repodata/repomd.xml from ol7_UEKR5: [Errno ...
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Oracle Linux 6.7 - How to extend ext4 disk

We have an Oracle Linux 6.7 server. Let the server IP be 10.55.5.10. There is a 350GB disk on this server. And shared over NFS with another Oracle Linux 6.7 server with 10.55.5.11 IP. NOTE: these are ...
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1 vote
2 answers
207 views

Oracle Linux 6.7 -bash: /usr/bin/du: Argument list too long

I have a path of about 1 million folders with a total size of 300GB. When I run the du -sh * command, I get the error I mentioned in the title. How can I combine using xargs with this command or will ...
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Unable to connect to AWS centos instance from Oracle Linux Virtualbox

When I am trying to connect to AWS CentOS instance from Linux Oracle I am getting below error: ssh -i "/LinuxTest.pem" centos@ec2-3-7-55-40.ap-south-1.compute.amazonaws.com Load key "/...
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Strange issue multiple ip addresses on single NIC - OEL linux

I however got two IP addresses. But when I use ifconfig command I cant see secondary ip address (10.10.20.51) in my ifconfig command. when I use ip addr command I can see both primary (10.10.20.50) ...
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On Oracle Linux 6, I am trying to start the postgresql service and it's failing with 'runuser: /bin/bash:/sbin/nologin: No such file or directory'

Everything was working fine until this morning. The postgresql service has stopped and I can't start it. When I run the command sudo service postgresql start, I get a [FAILED] message. Then, I go to ...
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1 vote
1 answer
368 views

Install VirtualBox with yum in Oracle Linux 7

I have Oracle Linux (Red Hat Enterprise Linux Server release 7.9 (Maipo) ) runnig fine, but now I want to install VirtualBox with yum. On this page I can only find the instruction Users of Oracle ...
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Oracle Linux: How to set the metric of a NIC?

How can I set the metric of a network interface (DHCP) permanently in Oracle Linux (think it is managed my NetworkManager)?
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3 votes
1 answer
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Ethernet controller I219-LM not claimed by driver e1000e

Today I received a brand new Dell OptiPlex 7080 and I installed Oracle Linux 7 on it. The machine has an external wireless antenna and an ethernet port. The wireless antenna works, but the ethernet ...
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Package libdtrace-ctf is unavailable in Oracle Linux 8?

I'm trying to install libdtrace-ctf in Oracle Linux 8, so I started a container with docker run -it oraclelinux:8 /bin/bash, and executed the following commands [root@4730e14b58e1 /]# yum clean all 16 ...
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1 vote
1 answer
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What does UEKR mean in Oracle Linux?

All files in Oracle Linux have a UEK suffix, e.g kernel-uek-debug-devel-4.1.12-124.35.2.el7uek.x86_64.rpm What does it mean?
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Will a Docker image built for Oracle Linux 7 run on Red Hat Linux 8

Can a Docker image built to run on Oracle Linux 7 be run on Red Hat Linux 8 (either under Docker or cri-o/podman)? Is there some kind of verification and/or upgrade process that can be followed? Or ...
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1 vote
1 answer
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Oracle Linux logon screen without login box

today my Oracle Linux Server 7.3 (installed on a Proxmox VM) just shows a gray window, where normaly the login prompt would be. The gray background is the regular "noisy" Oracle Server 7 ...
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1 vote
1 answer
656 views

How to determine Connection Refused Issue? [closed]

We have a linux server which runs a java process(Hazelcast) on port 5701. However, we are facing issue while connecting to that server and it result in a Connection Refused issue. Below are the ...
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Unable to boot Oracle Linux in Virtual Box

I hope this is the right place to ask this question. I'm trying to install Oracle Linux 8.1. It works but then the reboot needed after the installation takes it back to the installation screen. It ...
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1 vote
1 answer
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curl timeout eight times

Have a line of code that has always worked. curl -sv http://downloads.puppetlabs.com/facter/facter-2.4.4.tar.gz | sudo tar xz; sudo ruby facter*/install.rb Suddenly today, one VM on my host has ...
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2 votes
0 answers
177 views

systemd service to skip overlapping runs

I am trying to schedule a service using systemd on Oracle Linux Server 7.7. The use-case is simple; the timer needs to run the service in every hour (between 2PM and 9AM) - but, only if that is not ...
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1 answer
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How to check progress of an already running lvresize command?

First, filesystem was backed up and unmounted succesfully. Then, an lvresize was executed, and is already running: lvresize --resizefs --size 1024G /dev/dbdrp/db And shows the output: fsck from ...
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3 votes
5 answers
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Google-chrome installation on oracle linux 7.8 dependency problem

I'm trying to install google-chrome on Oracle Linux 7.8 (updated from 7.1). But it is failing due to libvulkan.so.1()(64 bit) dependency requirement. Please help on how to resolve this. I have tried ...
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1 vote
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Disable obsolete SSL and TLS in Oracle Enterprise Linux

I intend to disable all versions of SSL and TLS 1.0 and TLS 1.1 from being used due to their insecurity. Can you advise on how i can do this. I have searched online and haven't seen anything of much ...
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