Questions tagged [rocky-linux]
Rocky Linux is an open-source enterprise operating system designed to be 100% bug-for-bug compatible with Red Hat Enterprise Linux®.
62
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How to remove msdos parition table label completely on Rocky Linux 8.7 [duplicate]
How to remove msdos partitions on Rocky Linux 8.7, while the command fdisk -l provides no partition table label, the command partprobe shows msdos label, which I want to remove
# fdisk -l /dev/nvme0n1
...
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23
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How private networks enable external networks in multiple network interfaces
In a dual LAN environment on the Rocky Linux OS, we've made one private network from two multi-interfaces. I want to implement the private network so that it can be connected to the Internet network ...
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Issue with Rocky Linux System not showing deactivated ports
I am having issues with a Rocky Linux system that a colleague is using. They are currently connected via 1gig ports and they want to use the 10gig ports on the switch. However, when looking for the ...
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2
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76
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SELinux support for OpenStack deployment on Rocky Linux 9
On the official article for installing openstack on RHEL/CentOS, it has mentioned at the end that one should also install openstack-selinux “to automatically manage security policies for OpenStack ...
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80
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Disabling GSSAuthentication in sshd_conf has no effect
I'm using a fresh install of the most recent build of RockyLinux 9. I'm trying to disable GSSAPI for SSH based login, along with passwords and permit only public key based login. Setting ...
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3
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924
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Is there a good way to allow non-root users to mount arbitrary external USB drives on Linux?
We have a situation where a site office has a couple of Rocky Linux 8 servers and regularly receives large amounts of data from clients. Data arrives on a variety of external USB hard drives and the ...
- 181
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14
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Gluster 11, cannot make replicate volume
I'm trying to single node volume, convert to replicate volume by adding one more brick to gluster volume. I'm using command:
gluster volume add-brick replica 2
But every time I get Distributed-...
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1
answer
161
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High process memory usage (VmRSS) on rocky 8 vs. centos 7.7 for essentially everything
We're migrating some servers from centos 7.7ish to Rocky linux 8, and we're finding just about every process is using 20-50% more memory, causing machines to lock up.
For example, sh on centos:
# sh -...
- 61
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1
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66
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crontab job output not generating email
I have been running many cron jobs (on various operating systems, CentOS, for example) that normally run with no output. I usually keep an eye on my jobs by checking my email. I use the fact that ...
- 225
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1
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123
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Docker stuck in "rootless" mode on Rocky 9 (RHEL9)
I tried setting up podman in rootless mode on Rocky Linux 9, but after running into a number of issues I uninstalled everything and just went back to Docker. I'm using a number of hosts all ...
- 63
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48
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NFSv4 and CentOS
I have a storage server, running Rocky 8, and multiple clients, using Rocky 8, CentOS 7, and Debian 10/11, that connect via NFS with different exports for different file systems. One of the file ...
- 190
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99
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Yum dependencies and metadata for java-headless
I'm trying to install Java 8 and Tomcat 9 on a RockyLinux 9 server.
Installing tomcat (from EPEL) requires java-headless >= 1:1.8.0 which is resolved to java-11-openjdk-headless. So Java 11 gets ...
- 163
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2
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1k
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Kubelet Error - the container runtime endpoint address was not specified or empty
I try to install Kubernetes Cluster v1.26 (3 nodes - Rocky 9) using kubeadm and I have a problem regarding kubelet.
I have followed this tutorial in parallel with official kubernetes cluster ...
- 11
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43
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Limit CPU Usage per PHP Pool
I'm running a typical LEMP stack where I have multiple PHP-FPM pools, one for each site that's on a Rocky Linux 8 VPS. Occasionally, some rogue process on one of the sites will cause a huge CPU spike ...
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SSL error "unexpected eof while reading" on same server as the originating request
First, I'm aware of the SSL Library Error: error:0A000126:SSL routines::unexpected eof while reading error stemming from OpenSSL 3 reintroducing a feature to prevent truncation attacks.
The question I ...
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302
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Rocky 9.1 dracut fails to boot
My rocky 9.1 vm kernel is not able to load/boot/decrypt a LVM Luks2 volume during boot.
Booting with 5.14.0-162.6 works fine. But fails booting the latest 5.14.0-162.18 or 5.14.0-162.12 kernel, dracut ...
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Error deploying Ceph Quincy using ceph-ansible 7 on Rocky 9
I am trying to deploy Ceph Quincy using ceph-ansible on Rocky9. I am getting some problems and I don't know where to search for the reason.
PS : I did the same deployment on Rocky8 using ceph-ansible ...
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90
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Occasional packet loss between bridge interfaces
I have two virtualization servers based on libvirt and KVM. And sometimes I see packages get lost on one particular virtual machine. After restarting the virtualization host this problem is solved, ...
- 301
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1
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243
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Problems installing Nvidia drivers for CUDA on Rocky Linux 9 - modprobe: ERROR: could not insert 'nvidia': Key was rejected by service
I've just installed the Nvidia drivers using the instructions here on our Threadripper workstations, https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#rhel-9-rocky-9
However, I'm ...
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Rocky Linux 8 Blocking SIP traffic
I am having trouble with Rocky Linux blocking SIP traffic from an external LAN.
If I send a SIP message from external LAN, it reaches the server but the message doesnt get passed to the application.
...
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21
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Can RHEL8 / Rocky8 allow sshd + imap connections by hostname pattern (like tcp_wrappers)?
We have used tcp_wrappers for many years that has allowed an extra level of protection by only allowing sshd connections matching a hostname pattern. Simplified example:
# hosts.deny This file ...
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534
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CentOS 7 upgrade to RockyLinux 8 fails using leapp/elevate
This URL : How to upgrade Centos 7 to Rocky Linux 8 claims it should be possible to migrate directly from CentOS 7 to Rocky 8.
I created a local repository of RockyLinux 8 on one machine in my network,...
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70
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ceph-deploy install command fails with [ceph_deploy][ERROR ] RuntimeError: configparser.NoSectionError: No section: 'main'
Command ceph-deploy install admin datanode_dn2 fails with output:
[ceph_deploy.install][INFO ] Distro info: rocky 9.1 blue onyx
[admin][INFO ] installing Ceph on admin
[admin][INFO ] Running ...
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1
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120
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Why does xinetd try to close file descriptors on startup?
I have xinetd running inside a docker container (base image centos:7) on a rockylinux 9 host machine.
On starting xinetd service in the docker image, it appears to hang. So I used strace, and found ...
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97
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Authenticate samba share to active directory
I have joined a server running Rocky 8.7 to a domain using realm. I am able to login locally, ssh and sudo using a active directory account. I have some samba shares I can access with a local account. ...
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148
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Enabling user linger causes Rocky Linux 9 to hang on shut down until power button is pressed
Rebooting Rocky Linux 9 is very fast until I enable user linger:
loginctl enable-linger foo
I haven't added any new services to run under the foo user.
After this change, reboot, shutdown, poweroff ...
- 186
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49
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xml2 Ubuntu equivalent on centos / Rocky
I am setting up monitor for bind service on Rocky Linux.
I need to parse xml output of bind statistics.
On ubuntu I can run the next command and get valid output
root@ubuntu:~# curl -s 172.19.0.30:...
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KVM : What is the Maximum Number of Physical CPU and Physical Core KVM Can Support on a Single HOST
I am new here so this is my first day with a very confusing Quistion so please help me to understand it Properly. Expert Advise Required
My Quastion is :
I have a dell PowerEDGE Server With Intel ...
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1
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839
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Make IP route and routing rules permanent using nmcli on RHEL 8 / Rocky 8
I have a network interface for which I would like to configure routes.
# ip address show br_10G_V888
6: br_10G_V888: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group ...
- 209
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4
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821
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nftables firewall configuration on Rocky 9.1
I have installed K3s with Rancher on Rocky 9.1 machine.
According to the manual, firewalld must be turned off.
To turn off the firewalld, I performed:
systemctl disable firewalld
systemctl mask --now ...
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1
answer
156
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Set NIC Bonding Transmit Hash in EL9 with NetworkManager
I have just upgraded to Rocky Linux 9 and haven't been able to set the nic bond Transmit Hash Policy to 1. I'm using NetworlManager rather than the ifcfg files which is used by default in EL9.
I have ...
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142
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Facing issue with installing Rocky Linux 8.6 on EXSI 6.0
I installed Rocky Linux 8.6 on Vmware EXSI 6.0 after installation when the system is trying to boot after the grub splash screen I am getting an error of Kernel Panic - not syncing: Fatal exception
...
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168
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Nginx module is getting downgraded from nginx-1.20 to nginx1.14 when I migrate from centos7 to Rocky linux 8
I am doing an leapp upgrade to move from centos7 to rockylinux8 and I see nginx-1.20 and nginx-filesystem-1.20 in centos7 is downgraded to nginx-1.14 in rockylinux8.
centos7:
nginx-1.20.1-2.el7.x86_64
...
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60
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Need help grocking packet drop stats reported by ethtool (EL7/EL8)
I've been trying to read up on the details of drops as they are reported by various tools (and at various levels) of the OS. So far, most of the info I've been able to dig up by googling seems rather &...
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125
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Module RPMs makes kickstart installation of RHEL based distributions unusable
The title of the post has it all. The first steps to migrate from CentOS 7 to Rocky Linux 8 fail (in my eyes) because of module RPMs.
If something is installed the traditional way via dnf, dnf notices ...
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351
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Java unable to start as service on Centos/Rocky/Fedora "Failed to mark memory page as executable"
A bit of a strange issue here that google doesn't turn up any results for except the JVM source code of this error message.
I have a simple Spring Boot fat jar, myapp.jar and I am trying to run this ...
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93
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Active Directory User Accounts not loading environment variables from /etc/profile and /etc/bashrc
I have Rocky Linux 8.6 server that is joined to Active Directory and I can login to it with AD accounts. I have also mounted a NFS drive to the server. The home directories for AD accounts have been ...
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1
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505
views
SystemD memcached service - (code=exited, status=1/FAILURE)
So I had to deploy in Rocky Linux 8 memcached with SOCKET in /var/run/memcached
In order to avoid the service to fail, I have run the following:
systemctl edit memcached.service
Pasted in:
[Unit]
...
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580
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How to use cgroup v2 to limit memory and cpu per user group?
With cgroup v1, I can have group configuration in cgconfig.conf and assign groups to different users in cgrules.conf
However, it seems to me that cgconfig and cgrules can't be used along with cgroup ...
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475
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ypbind.service times out, but ypbind runs manually
I've got a new Rocky 8.6 system, and I've run into an issue I've never seen before.
The ypbind.service times out when I try to start/restart, but if I run ypbind as root, it starts just fine.The ...
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2
answers
736
views
Why is pvscan skipping my devices?
I had a CentOS 7 server configured with a volume group that spanned 5 external hard drives.
I upgraded the OS to Rocky 9, and now Rocky 9 isn't seeing the physical volumes, volume group or logical ...
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401
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Install QEMU for Docker Buildx on Rocky Linux 8
I am preparing a Rocky Linux 8.6 system to run Docker Buildx for multi-architecture images. Ideally I'd like to have a host installation of QEMU and binfmt_misc (rather than one based on a Docker ...
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3
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557
views
Virsh command hangs when script runs in the background
I have a bash script which runs as a cronjob. This script runs several commands and one of them is the following virsh command:
/usr/bin/virsh list --all
When I run this script in the terminal (as ...
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1
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69
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Postfix configuration on DB
I'm working on the migration of mailservers and in the meantime I've to manage a big configuration on my Postfix system on a Rocky Linux 8.5.
I know Postfix can handle configuration stored on MySQL, ...
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222
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SSSD authentication with LDAP, refresh after failing authorization?
I have some Red Hat 8 servers which authenticate/authorize users via Active Directory, using realmd and sssd (with simple_allow_groups to determine who can log into the servers).
However, the ...
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1
answer
476
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Why does my 389-ds configuration work over LDAP but not LDAPS?
Sorry if this has been asked before, but when I searched for similar issues, I got results like these (that make no sense to me).
I've been trying to set up 389-ds using Red Hat's Directory Server 11 ...
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1
answer
532
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Docker-ce oppening Firewalld ports on rocky 8
Docker-cd, when run with -p 3010:3010 bypass the firewall and open the container port to the world...
If i disable docker and run a python -m http.server, the port is blocked to the outside (as it ...
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914
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How to set SELINUX HTTPD User Content RW?
I'm quite new to SELINUX, I've simple question, I know there are httpd_sys_rw_content_t for /var/www/html, and read only httpd_user_content_t, but if I want to allow some folder to be RW for that ...
- 113
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447
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PCS Cluster - Binding nfsserver resource to specific IP
I'm trying to deploy a HA NFS Cluster Architecture with PCS on Rocky Linux 8.5 . Current kernel and nfs related package versions, pcs configurations are shown with detail below.
I'm not able to ...
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131
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Is it possible to use https with a Tang Network Bound Disk Encryption server?
Is it possible to use https with a Tang Network Bound Disk Encryption (NBDE) server?
Redhat's documentation casually says this is possible, but I can't find any examples of this anywhere and the ...
