Questions tagged [oracle-linux]

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

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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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11 views

Why is my Oracle Linux 7.8 server spamming “eth0: bad gso: type: 1” errors?

I have an Oracle Linux 7.8 server with terrible network performance. When I run dmesg, I see that it is spamming "eth0: bad gso: type: 1" errors. I tried disabling gso/tso on the interface,...
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1answer
19 views

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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1answer
28 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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1answer
25 views

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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1answer
130 views

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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20 views

What is the fastest way move big files in Oracle Linux 7.7?

Oracle Linux 7.7 Exa-data machine. I want to move 30TB data in same machine. Source path: /A/B/C/D/E/1/ Target path: /A/B/C/D/E/2/ I am using mv command for it. However, it progresses very slowly. Is ...
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28 views

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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72 views

How to open oracle xe GUI in linux?

I have installed oracle xe 19c database on oracle linux 8 using yum -y install xxx.rpm method. I know that there is one more step to do for oracle xe 18c, I should run /etc/init.d/oracle-xe configure. ...
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1answer
53 views

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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1answer
42 views

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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248 views

How to create a oracle wallet with chain certificates?

I have three certificates, root, intermediate and server. Intermediate certificate is signed by root certificate and server certificate is signed by intermediate certificate. What are the steps to ...
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1answer
51 views

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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1answer
344 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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141 views

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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21 views

how to virtualize an oracle linux 8 for arm

I want to try Oracle Linux 8 for arm on a virtual machine before running it on my raspberry pi 4 B. from my research I found it's not possible to do it on a windows 10 for some reason even using ...
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21 views

Adding external monitor to Oracle Linux 7.3 laptop

I installed Oracle linux on to my laptop Dell latitude e5270 (i3-6100u). I wanted to use an external monitor with the laptop but connecting one using VGA or HDMI will not work. xrandr command will ...
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1answer
39 views

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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81 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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1answer
921 views

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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4answers
9k views

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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0answers
56 views

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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40 views

yum works on one vm but not from other vm on same vlan

I am having a strange problem here. 2 OEL7 VMs are built on same vlan, with same resolve.conf, yum.conf and *.repo. Firewall/iptables are stopped on these VMs. One can access oracle repo (apparently ...
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1answer
1k views

Where's my stub-resolve.conf missing?

I'd like to start using systemd-resolved on Oracle Linux 7.6. I've installed systemd-networkd and systemd-resolved. I've enabled these services and I've disabled network and NetworkManager. From the ...
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2answers
71 views

Dependency problem tkinter

I am trying to install a package, specifically tkinter-2.7.5-86.el7.x86_64.rpm, on Oracle Linux 7. I run into a dependency problem: Error: Package: tkinter-2.7.5-86.el7.x86_64 (/tkinter-2.7.5-86.el7....
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1answer
19 views

Yum fails to respect version requirements for package

I have a problem using yum to resolve dependencies for my project, which consists of multiple RPMs that we build ourselves. I have built an RPM with: Requires: Database-devel = 1.0.0 But when I run: ...
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1answer
30 views

How to boot el6 linux without some enabled daemon running?

I've installed Oracle Linux 6 and Oracle 12c. I don't remember if I've configured crontab to launch some script or not, but during the system's booting, it stops just after crond daemon has been ...
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1answer
78 views

OS incorrectly switching between root and sudoer user

I have 3 users in my server: root user1 user2 When I try to change my current user from user1 to user2 by using the command sudo su user1, my operating system sometimes changes instead from user1 ...
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2answers
567 views

How to find a package name and version by its library name and version using a shell command?

Is there a command that could give me a package name and version for a library? For example, I want to get mariadb-libs version for libmysqlclient_r.so.16 library that is currently not installed, but ...
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1answer
140 views

MySql Community Server port changing

I've installed mysql-community-server 8.0 on Oracle Linux 7 using official documentation It have been installed successfully, but: # service mysqld start resulted in: Redirecting to /bin/systemctl ...
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2answers
705 views

NagiosQL Installation: Checking requirements. Write test on settings file (config/settings.php): failed

I've installed NagiosQL mostly following this tutorial. On the Checking requirements step I've got failed state for Write test on settings file (config/settings.php): How to make nagios pass Write ...
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1answer
647 views

Issues with yum and dnf in Oracle Linux 8

Am new to IT and I am having troubles with my Oracle Linux 8 installed into Vmware Esxi 6.5. I can't update or install using either of yum or dnf commands. I get the following error: # yum update ...
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592 views

How to install chromium on oracle linux 7.7

How do I install chromium on oracle linux 7.7 (EL 7)? I used epel repos and the log is: $ sudo yum install -y chromium Loaded plugins: langpacks, ulninfo Resolving Dependencies --> Running ...
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1answer
218 views

How do I install xbindkeys on enterprise linux 6? (Centos/RHEL/OEL 6)

Is there a way to install xbindkeys on rhel 6 based distro? I want to bind keys from my mouse button to run a script.
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2answers
3k views

exec /bin/tcsh produces a “if: Expression Syntax.” error

We have two servers: test box with Oracle Linux 7.6 and production box with Oracle Linux 7.7. Running the exec /bin/tcsh command produces two different results. On the test server: # exec /bin/tcsh ...
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0answers
61 views

Putty's terminal freezes during windows share accessing just after resuming VM after suspending

My system is Oracle Linux 7.4 VM on VMWare Workstation 14 I have the next record in my /etc/fstab: //someip/someshare /mnt/temp cifs rw,user=someuser,password=somepassword 0 0 After the system ...
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2answers
3k views

What's the differences between ifdown and “ip link set .. .down”?

I did some testing below. It seems ifdown ens32 didn't bring the interface down. And ip link still show UP. Only ip link set ens32 down brings the interface down. So what's the problem here? Why ...
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2answers
981 views

Install Let's Encrypt SSL certificate on Oracle Linux Server

I am trying to install a Let's Encrypt certificate on a Oracle Linux Server 7.6. Since the server does not have a public IP, I had to validate via DNS.I followed the instructions here https://github....
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1answer
346 views

Incorrect System Uptime

Recently, in an Oracle Linux (either 6 or 7) based virtual machine, I faced any issue where system uptime was apparently wrong. # who -b system boot 2019-07-24 13:21 # last reboot reboot system ...
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1answer
270 views

rm -rf root permissions denied

I want to delete the folder under root writes an error /var/www ⌚ 16:35:54 $ ll drwxrwxrwx. 2 ftp_user ftp_user 6 апр 24 16:46 cgi-bin drwxrwxr-x 5 nginx nginx 4,0K июл 10 12:42 site.com ...
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0answers
54 views

Port not available on the same network(MySQL with docker)

I have two servers in one network. 192.168.202.5 netmask 255.255.255.0 192.168.202.32 netmask 255.255.255.0 On second server I start MySQL using Docker Compose. docker ps CONTAINER ID ...
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347 views

Master DNS - Windows, Slave DNS - Linux

There is a working DNS server in Windows Server 2016. I installed and configured slave DNS server in Oracle Linux 7. In windows server, I enabled BIND secondaries, and to Listen all ip addresses. ...
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1answer
32 views

Oracle Linux 6 Looking for cmd or way to correlate BUS:Device.Function to physical slot

On Oracle Linux 7 [root@host ~]# uname -a Linux host 4.1.12-61.1.18.el7uek.x86_64 #2 SMP Fri Nov 4 15:48:30 PDT 2016 x86_64 x86_64 x86_64 GNU/Linux I can use [root@host ~]# dmidecode -V 3.0 [root@...
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0answers
52 views

Setup OpenLdap on Oracle Linux 6

I am currently trying to setup an openldap server on an Oracle Linux 6 VM (VirtualBox). Packagemanager yum installed openldap version 2.4.40-16. Following this setup guide: https://docs.oracle.com/cd/...
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0answers
286 views

/etc/resolv.conf overwritten with old DNS entries not what is in /etc/sysconfig/network-scripts/ifcfg-enp0s3

I have an Oracle Linux 7.5 VM on VirtualBox setup with a static IP address. My DNS servers have changed since I first setup the VM. I modified the file /etc/sysconfig/network-scripts/ifcfg-enp0s3 to ...
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2answers
105 views

Why does my hostname show as “Unknown-08-00-27-50-25-08” when using a bridged connection?

I am running an Oracle Linux 7 VM. I have booted the VM up separately with different network options, NAT and Bridged connection. I would like to use a bridged connection so I can SSH in easily. When ...
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1answer
572 views

How to expand the root volume after attach new volume?

I create new virtual machine in OpenStack Project. After I want to add size free space in VM. I added new Volume and attached to VM. After start VM I tryed to check status HDD. fdisk -l Disk /dev/...
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1answer
938 views

How to install gnumeric on Oracle Linux 6?

Many blogs suggest sudo yum install gnumeric and sudo yum install gnumeric.x86_64, but to me both are giving the following message: Loaded plugins: security, ulninfo Setting up Install Process ...
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2answers
361 views

How often (and when) does NTPD update the time?

I have an Oracle Linux 6 box (RHEL) and I have set up ntpd. I have run service ntpd start and chkconfig on. Now, if my date is incorrect and I reboot the box, it sets the time and date properly. ...
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1answer
1k views

What is the difference between su - oracle and pbrun /bin/su - oracle [duplicate]

Could anyone explain the difference between the below commands: su - oracle and pbrun /bin/su - oracle