Questions tagged [oracle-linux]
The oracle-linux tag has no usage guidance.
86
questions
6
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4
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Can I run an Oracle server without swap?
Official Oracle docs say that for a machine with more than 16GiB of RAM we need to allocate 16GiB of swap.
Our servers are RHEL 7 and have 256GiB of RAM.
DBAs do not want to see the system swap, so ...
- 8,080
6
votes
3
answers
27k
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How to install Oracle Linux using public oracle repositories?
I've downloaded OL7.5 Boot ISO image and want to install the last version of Oracle Linux.
Which address could I use to do it?
NOTE: On the picture fields are inactive because of Network should be ...
- 499
6
votes
1
answer
14k
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Ansible Playbook: Ensure a process is running on any one node of a cluster?
Ansible makes it easy enough to ensure that a process is running on every host.
I could do something like:
---
- hosts: app_cluster
tasks:
- name: Look for the "foo" process
shell: ps -ef |...
- 4,476
5
votes
2
answers
2k
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NFS Performance issues on Oracle Linux 6.7: Shared libraries on NFS slow down system
I am currently hunting down some performance issues on some VMWare virtual machines with the same amount of memory and cpus, running Oracle Linux 6.6 (Kernel 2.6) and 6.7 (Kernel 3.8). The machines ...
- 151
4
votes
2
answers
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How to install xargs in container running openjdk:17-oracle
I'm trying to install xargs in a container running openjdk:17-oracle, but I'm unable to figure our what package manager is present in this image.
FROM openjdk:17-oracle
RUN apt-get install findutils
...
- 165
3
votes
1
answer
2k
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Disable UEK repositories on Oracle Linux 6.9
I have lots of machines running the Red Hat compatible kernel and this has not been as issue before. However, the latest default behaviour appear to be that the repository configuration file is ...
- 4,476
3
votes
0
answers
716
views
Kernel Crash - kernel: BUG: unable to handle kernel paging request at 00000000ff8179b9
One of my Oracle Linux 6.5 Server running Oracle ASM/GRID experienced a kernel crash, it didn't respond i have performed a hard reboot.
Server is Oracle Linux 6.5, kernel 2.6.39-400.214.3.el6uek....
- 31
2
votes
2
answers
849
views
Add redhat yum repo to oracle linux
I'm running oracle linux 7.2.
The Oracle yum repo is comparatively small, containing only core enterprise packages.
How can I add the redhat yum repo so I can install other userspace utilities?
- 237
2
votes
2
answers
17k
views
X Server config on Vmware
Im trying to get KDE running on an Oracle Linux box which runs on vmWare (VMware vCloud Director / ESX)
After installing X and KDE i got the following error:
# startx
[...]
VMware: No 3D enabled (0, ...
- 476
2
votes
2
answers
2k
views
Oracle Linux 7: web server not reachable
Here's my setup. I have a vm running with Oracle Linux 7 installed. I started apache with service httpd start and it started without issue. I've created an index.html file in both /var/www/html and ...
- 195
2
votes
1
answer
2k
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What is the lifecycle of Oracle Linux for minor releases?
We are discovering Oracle Linux and considering the move from other RHEL clones.
One question that's remains unanswered is: what's the lifecycle of minor releases on Oracle Linux? Do we get updates, ...
- 5,700
2
votes
1
answer
1k
views
Timedatectl "Failed to parse bus message: Connection timed out" with systemd ExecPreStart while SELinux is enforcing
Using Oracle Linux 8.6 we're having an issue with timedatectl but only when it's run by systemd(239-58.0.1.el8_6.3) during ExecStartPre in a .service definition file and SELinux is set to Enforcing.
...
- 143
2
votes
1
answer
2k
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Oracle Linux 6.8 to 7.x upgrade
I'm trying to upgrade my Oracle Linux OS from 6.8 t0 7.x version by following the steps provided here https://docs.oracle.com/en/operating-systems/oracle-linux/7/relnotes7.5/ol7-upgrade-ol6.html
...
- 250
2
votes
0
answers
8k
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How do I extend the space of /dev/sda3 on Oracle Linux Server 7.9
Disk capacity is at 105GB, but the root directory (/dev/sda3) capacity is only 39GB, I want to increase the capacity. How can we do this? By the way, the OS is Oracle Linux Server 7.9.
$ df -h
...
- 21
2
votes
0
answers
3k
views
PAM: password authentication failed for remote user
I am executing a command from server1 which would do a remote ssh to server2 and execute certain commands as olcne user. I am seeing some exception in /var/log/secure file wrt to pam. Can someone ...
- 21
1
vote
1
answer
4k
views
Oracle Linux 8.3 can't find libyaml-devel
I'm evaluating Oracle Linux as a CentOS alternatives. During my tests I have to compile a package depending on libyaml-devel but the lib isn't present in the repo.
I had the impression Oracle Linux ...
1
vote
1
answer
5k
views
How to open all ports in Oracle Linux 7?
I'm trying to set up a Outline VPN server on my Oracle Cloud Instance. However I keep getting the error
You won’t be able to access it externally, despite your server being correctly
set up, because ...
- 11
1
vote
1
answer
4k
views
Destination unreachable (Host administratively prohibited) when allowed through FirewallD and SELinux
I am trying to connect to my VM which is running Oracle Database XE 18c on Oracle Linux 7.6 and using bridged networking through Oracle SQL developer, however I have found no luck.
I have permanently ...
- 111
1
vote
1
answer
726
views
Can 2 servers share the same ocfs2 FS via NFS?
The problem is the following:
I have 2 servers that have a FS mounted as ocfs2:
root [server01]% mount | grep ocfs2
ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw)
/dev/sddlmam1 on /share type ocfs2 (rw,...
- 121
1
vote
1
answer
2k
views
ssh remote command ls hangs when using '*'
i'm having a problem with remote command in ssh.
The following commands run just fine:
ssh remote_server ls /path/to/folder/
(list all files of the folder - OK)
ssh remote_server ls /path/to/...
- 65
1
vote
1
answer
6k
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How to install php-mysql, php-gd and other libraries on Oracle Linux
I am trying to install following libraries on Oracle Linux 8 but not working. On Debian 11 after installing php8.1-fpm I run following command and it works.
sudo apt install php8.1-mysql php8.1-gd ...
- 783
1
vote
1
answer
2k
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On RHEL/CentOS/Oracle Linux installer Software Selection screen, what do the packages/environments actually install?
When installing Oracle Linux, at one point you need to choose the software. What actual packages are actually installed when you select Server, Minimal Install, and the subpackages such as Standard or ...
- 339
1
vote
0
answers
222
views
Why is TCP doing RTO based retransmits (200ms+ wait) vs other fast-retransmission mechanisms?
(Trying this forum after the question was deemed off-topic for Stack Overflow & Network Engineering)
I am investigating an issue where we see occasional 200ms+ spikes in a simple tcp client/server ...
- 111
1
vote
1
answer
4k
views
Postfix not sending emails with no error messages
I have a customer attempting to use postfix to send emails with SMTP. It appears that postfix will parse the email attributes correctly, but before sending the email it begins processing it again. ...
- 11
1
vote
3
answers
3k
views
OEL8 kickstart install on ESXi - hangs at "Reached target Basic System" - why?
I am trying to install OEL8 on ESXi 7 with a kickstart file. I have the ks.cfg hosted on an http server on the local subnet. The ks.cfg settings are taken from a manually installed OEL VM's anaconda-...
- 11
1
vote
0
answers
112
views
Same VIP different MAC
I am observing this behavior on a dual-homed server that is sending traffic in active/active mode on its 2 links connected to the same uplink switch. The server is running IPMP so it generates traffic ...
- 179
1
vote
0
answers
3k
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Is it possible to upgrade Oracle Linux 7 to 8 in place?
I noticed in the Oracle Linux 7 documentation, there's a procedure for upgrading the operating system in place for OL6 -> OL7, but I can't seem to find the same instructions for OL7 -> OL8. Is it ...
- 11
1
vote
0
answers
691
views
Oracle Linux update from 7.4 to 7.6 causes gui login loop
I have a VM based on VMWare Workstation 14
After upgrading fresh installed Oracle Linux from 7.4 to 7.6 and reboot, it boots into Oracle Linux Server 7.6 with Unbreakable Enterprise Kernel 4.1.12-124....
- 499
1
vote
0
answers
51
views
Double bracket missing in Oracle Linux
So I was trying to write a script in an Oracle Linux server and nothing worked. To begin with, there is no double bracket as far as I can tell.
Also, the error messages I get are weird. For instance, ...
- 223
1
vote
1
answer
302
views
Oracle 12c 32-bit client and direct GOT relocation R_386_GOT32 against `lxecerr’
When trying to install Oracle 12c 32-bit Client (12.1 or 12.2) on Oracle Linux 7.3 or 7.5, it throws error during linking static libraries:
INFO: Start output from spawned process:
INFO: -------------...
- 111
1
vote
0
answers
66
views
Enterprise Linux: /scratch is mounted on a LV but the LV doesn't shown when running lvs
Took over a few Oracle Linux VMs from another team and found this weird situation. The /scratch is mounted on a logical volume according to them, but seems that the system is having some error and the ...
- 111
0
votes
1
answer
10k
views
How to install PHP 8 in Oracle Linux with Apache?
How to install/configure PHP 8 with Apache in Oracle Linux?
I couldn't find PHP 8 related repos in Oracle Linux.
What i tried so far is:
Installed PHP 8 manually by downloading tar.
installed httpd ...
- 103
0
votes
2
answers
2k
views
df -h shows / is 100% but du -sh * is not showing where the utulization is [duplicate]
OS: Oracle Linux 7.5
df -h keeps showing that / is 100% full but searching on / with du -sh * is not showing where that utilization could possibly be, any help and suggestions will be appreciated. I ...
0
votes
2
answers
3k
views
Where's my `stub-resolve.conf`?
I'd like to start using systemd-resolved on Oracle Linux 7.6.
I'd like to use it in the mode where /etc/resolv.conf is just a symlink to /run/systemd/resolve/stub-resolv.conf having just nameserver ...
- 135
0
votes
1
answer
517
views
Update open-vm-tools
As per vulnerability CVE-2022-31676 I'm trying to update my Oracle Linux 8.6 systems open-vm-tools to 12.1.0. However, I'm finding that this package isn't still in the repository, so I have been ...
- 105
0
votes
2
answers
3k
views
Update Oracle Linux 7 to 8
Running Oracle Linux v7.9 at the moment, is there a way to upgrade to Oracle Linux v8.3 (or any v8.x) as an in place upgrade WITHOUT installing from a fresh VM?
- 157
0
votes
1
answer
842
views
How do I know that a file backup from a Linux server was successful?
Here is the scenario, I have been tasked with backing up production Oracle server running on Linux. According to the process left by the person from whom I took over, I connect to the server using ...
0
votes
1
answer
284
views
Installation source and Software selection error for Oracle Linux 8 unattended install
I am attempting an unattended installation of Oracle Linux 8, but I am stuck with error on Installation Source and Software Selection.
=================================================================...
0
votes
2
answers
2k
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I can't install nginx 1.22.1 from the official repository
I have a VM on Oracle Linux 8.8
I need to install nginx-1.22.1, but only version nginx-1.14.1 can be installed from the official repository:
https://yum.oracle.com/repo/OracleLinux/OL8/appstream/...
- 3
0
votes
3
answers
510
views
Oracle Enterprise Linux: Growpart 'cannot grow partition'
I've read a few blogs here on this but haven't come across similar situation as mine.
i have expanded the drive by 5GiB on /dev/sda
i have without rebooting made it visible by running the following ...
- 11
0
votes
2
answers
257
views
Oracle Cloud Native Environment setup with Vault faild on validating host names in certificate
I'm setting up OLCNE environment with Hashicorp Vault PKI, I successfully install agent, setup vault, certificates was generated but during module createion I have error that host name not match ...
- 101
0
votes
1
answer
978
views
CentOS Linux and CentOS Stream! Is upgrade from CentOS 6.0 to CentOS stream 9.0 a good option? [closed]
We have CentOS 6.8 production machines and we had a plan to migrate to CentOS 8.0. Having come to know that CentOS Linux 8 EOL: 2021-12-31, also that, CentOS Project produces two variants: CentOS ...
- 101
0
votes
1
answer
2k
views
Failing to download metadata with DNF upgrade playbook
i'm trying to learn something about ansible and the automation, unfortunately I'm getting frustrated at the early step. I just tried from debian 10 machine with ansible to write a yaml to upgrade 2 ...
- 7
0
votes
1
answer
376
views
Mounting Azure File Share on Oracle Linux 7.7
I'm trying to mount Azure File Share in Oracle Linux 7.7 and it doesn't work in the latest kernel 4.1.12-124.31.1.1.el7uek.x86_64 (released Sep 2019).
I know that I must use encryption when ...
- 1,598
0
votes
0
answers
11
views
How to Access GUI of container application running in guest OS:
I have the setup below:
Windows Host
Oracle Ent Linux 8 Guest OS managed with Virtual Box
Docker Container (with gui application) running in Guest OS
I have a requirement to access the gui of the ...
- 1
0
votes
0
answers
11
views
Issue: oracle linux UI goes black
I'm using the oracle linux verison
Linux localhost.localdomain 5.15.0-207.156.6.el9uek.x86_64 #2 SMP Thu Jun 6 02:32:40 PDT 2024 x86_64 x86_64 x86_64 GNU/Linux
I'm facing the issue, whenever I try to ...
0
votes
0
answers
21
views
Unable to move cluster resource using PCS
I am using the corosync, pacemaker and PCS tool to manage the cluster service for SMTP outgoing servers.
I am finding a weird issue, when I try to move the cluster using resource group, it throws an ...
- 1,142
0
votes
0
answers
20
views
Oracle Linux 9.4 Display Issue
I have Two server running oracle linux 9.4
1st one is working good if i connect display.
2nd one have flicker issue or Display is totally black even though i upgrade the firmware, app update ,drivers ...
- 1
0
votes
1
answer
58
views
Have anyone gotten (mono) xsp and mod_mono working on RH9 or OL9?
Have anyone gotten (mono) xsp and mod_mono working on RH9 or OL9?
I have tried with packages from 8 and 7 (with mono-project-centos8 for missing packages) without any luck.
We are aware we should ...
- 1
0
votes
0
answers
20
views
Get list of CUPS printers with drivers
For a client's machine that run Oracle Linux 8, I had configured a few dozen printers in CUPS over the past two years. Most of them are installed in remote offices.
I would search and download the ...
- 141