Questions tagged [rhel8]
Enterprise Linux distribution released by Red Hat in 2019 and supported through 2029
155
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When executing command ethtool -S ethX instead of expected statistics following message is displayed: "no stats available"
It ethtool command only fails on ethtool -S ethX.
If I run the command ethtool -i ethX it shows the expected data.
This is on RHEL8. It's a known issue apparently, since Redhat itself has a solution, ...
- 214
-1
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0
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83
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Unable to SSH in to RHEL 8 server after set selinux as enforcing
I set selinux as enforcing in a RHEL 8 server and rebooted the server. After that, I can't SSH into the server. Could you please suggest a solution to this?
- 1
3
votes
2
answers
72
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Dell PowerVault TL1000 Tape Library RHEL 8 Connectivity
I have a Dell PowerVault TL1000 Tape Library which I've connected to our Dell PowerEdge R740xd Rack Server through a Dell HBA355e Adapter. The server is running RHEL 8 under ESXi 7.0.3
I did the lspci ...
- 31
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83
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Postfix - limit outgoing messages sent by one specific user
I want to limit outgoing messages to 5 per hour for a single user. It should then queue any additional messages during that hour to be attempted for delivery later. All other users should not be ...
- 1
0
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0
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15
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Different LDAP Filters for Separate Services in SSSD
I'd like to use LDAP in SSSD for two separate services on the same server. Specifically, I'd like to use one LDAP group for SSH access and a separate LDAP group for access to a web portal. It only ...
- 1
0
votes
1
answer
78
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linux mta do not forward mails to root@localhost to smart_host
We are having an issue with some servers which are forwarding mails to the smart host (exchange) for root@localhost. obviously exchange does not know localhost and therefore forwards mails to the ...
- 53
0
votes
1
answer
25
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Pin point performance issue in the past
I experienced a decrease of performance on my server and I was wondering if there is a possibility to lookback in time on a rhel8 machine. Where I can pinpoint which process claimed a lot of resources ...
- 1
12
votes
2
answers
2k
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Limit the RAM available to RHEL8
We have some tests we need to run in a server with 32Gb RAM.
All the servers we have access to have 64GB and we can't physically change this.
Is there some way of telling RHEL to use only some fixed ...
0
votes
1
answer
41
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HPE ProLiant DL380 Gen10 server RHEL8
I have two physical servers host RHEL8 lets name them (server1, server2).
Server1 has 4 physical disks configured on RAID1. The size of disk1 and disk2 together equal 800GB, and disk3 and disk4 equal ...
0
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217
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package containerd.io >= 1.6.4 needed by docker-ce but package containerd.io already with version 1.6.9-3.1
we want to install docker packages on our RHEL 8.4 server (this is off line installation since machine not connected to network)
so we download the following rpm's from the site - https://download....
- 559
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28
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initiatorname.iscsi is overwritten
I use RHEL 8.8 on my machines.
I run the following command:
echo InitiatorName=$(/sbin/iscsi-iname) > /etc/iscsi/initiatorname.iscsi
It sets correctly the name. But after some time file is set to ...
0
votes
1
answer
206
views
Installing find command in a docker container running RHEL 8
I am running a docker container of image:
confluentinc/confluent-local:7.4.1
It is based on Redhat 8.8
How do I install find command in the container?
I tried running:
$ yum update
and got this ...
- 159
0
votes
1
answer
458
views
Fresh install of Rocky 8, networking is not working correctly
I am "upgrading" a server from CentOS 7 to Rocky 8. This server is a 1U Supermicro SYS-1029U-TRT, works as part of an HPC, and has two Ethernet and one Infiniband networking interfaces. One ...
- 298
2
votes
1
answer
171
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RHEL8: How to use UDEV to set SR-IOV VF Interface name
The SR-IOV VF is persisted over boot with
nmcli connection modify <PF> sriov.total-vfs 3
nmcli connection modify <PF> connection.autoconnect true
Then it would create VF interface names ...
- 151
0
votes
1
answer
166
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Trying to install Kubernetes in RHEL 8.5 (CRI-O) - getting error
Trying to install Kubernetes in RHEL 8.5 (CRI-O) - getting error Error: Failed to download metadata for repo 'devel_kubic_libcontainers_stable: Downloading error(s): repodata/...
0
votes
1
answer
166
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ldap_group_search_base is not working as intented
I've used the below-given sssd.conf file to authorize the users to a server. The issue is some users who are not listed under the DN: cn=authorized,ou=rona,ou=servers,ou=groups,dc=yolo,dc=com still ...
0
votes
1
answer
149
views
yum unable to find a specific package in private repo
I have a really weird problem. I've setup my private yum repo, it is serving the rpm just fine, EXCEPT one rpm.
Let's say I've build and copied over all of my rpms to my custom repo directory, ...
- 172
0
votes
2
answers
52
views
NFSv4 and race condition with idmapd, pam_mount and auto mount
We mount NFSv4+krb5 shares with automount, and it works fine.
We are now trying to mount home directories with nfs4 and automount.
We get the directories mounted, but still get some directories/files ...
- 200
3
votes
0
answers
9k
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What is the meaning of this line from ssh output: 'Authenticator provider $SSH_SK_PROVIDER did not resolve; disabling'?
Everything works, ssh connects using private-public ssh key pair.
Just few things in ssh -v Ora2 output isn't clear for me.
This is complete ssh -v Ora2 output:
PS C:\Users\roeslermichal> ssh -v ...
- 145
1
vote
2
answers
1k
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how to delete a xfs file system from logical volume (lvm2), to achieve the goal being this logical volume without any file system?
I have LVM RedHat 8 intall and there's one Volume Group there.
Fri May 19 [michal@Ora2 ~]$ sudo vgdisplay
--- Volume group ---
VG Name ol
System ID
Format lvm2
...
- 145
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117
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dfs/cifs problems with kernel 4.18 (rhel8)
We have a rhel8 environment with several windows fileservers in dfs using cifs (auto)mounts.
The mount is working when accessed, but when the cifs filesytems/mounts are in heavy use the cifs ...
- 1
0
votes
2
answers
164
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Can mount on /mnt but not on other mount point, why?
this is an RHEL8 VM. I'm trying to mount a logical volume on /var (because I need more space). For now I have created a directory /xvar to mount on, but it doesn't work and doesn't show an error. ...
- 193
0
votes
1
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712
views
How to configure NetworkManager to not set default search domain in RHEL8 based distros?
Assume having a host with single, IPv4 only connection, named ens192, which has statically configured network settings (IP, DNS, gateway), named vm1.example.invalid. NetworkManager will add the ...
- 238
0
votes
2
answers
217
views
rb_sys_fail_path_in(rb_file_s_rename, (filepath1, filepath2)- errno == 0 error when running a newly installed version of chef
I have 1 box that seems to not want to run chef, while I have 5 other identical boxes that are working just fine using the same rhel and chef versions. On the non-working box, Chef runs correctly when ...
0
votes
0
answers
14
views
File ownership changes when Cluster moves
I created a 2 node cluster..
# pcs resource config
Group: nodeapp
Resource: clusterip (class=ocf provider=heartbeat type=IPaddr)
Attributes: cidr_netmask=24 ip=10.6.151.103 nic=ens224:0
Operations: ...
- 1
7
votes
3
answers
3k
views
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 ...
- 201
1
vote
0
answers
40
views
NFSv4: machine gets unresponsive when share is accessed without ticket
We are implementing NFSv4_kerberos for mounting of home directories on a RHEL 9 machine.
The think is that if a user has a cronjob that writes to the mounted homedir after the ticket expiration, the ...
- 200
0
votes
1
answer
285
views
SELinux policys keeping Tomcat from starting
On a newly built Oracle Linux 8 server i added a drive and file system, then put put Apache Tomcat on that file system via the tarball. Now when starting Tomcat via a services file, I get an error ...
- 29
0
votes
1
answer
2k
views
How to upgrade to php 8.1 on RHEL 8.7?
How to upgrade to php8.1 in RHEL 8.7, I went through various guides and ended up installing php:remi-8.1 which is desirable however, php-gd is not willing to be installed cause of missing libraries.
...
- 101
1
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0
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63
views
Swap disk devices in RHEL 8
I need to swap a couple of disk devices around on a RHEL 8 server because it's unfortunately going to be problematic to rebuild it and I need the devices in a specific order.
I think the following ...
- 11
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0
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332
views
Cannot start the php-fpm service in Alma 9
I've compiled php 8.2.3 on Alma Linux 9 but fails php-fpm fails to start.
I was previously using Centos 7 with a slightly older php version and didn't have any issues.
The php-fpm conf file is also ...
- 259
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0
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34
views
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 ...
- 111
1
vote
1
answer
803
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AlmaLinux 9/RHEL and nftables : Keep getting "type filter hook input priority filter" at chain
Good day to all!
First of all, i have to say i'm a Linux novice and new to StackExchange so i hope i'm asking my question the right way.
I would like to use nftables as firewall on a new AlmaLinux ...
- 13
0
votes
1
answer
122
views
Creating a ramdisk with lvmvdo persistent across reboot?
I am trying to create a persistent ramdisk with lvmvdo with the below unit file but it does not seem to work.I have not added the --type vdo option to the lvcreate command yet ( this is for RHEL9 )
[...
- 151
1
vote
1
answer
62
views
cURL to OWA not working from newly-installed RHEL server but working from Ubuntu server
I have two Linux servers acting as a reverse proxy between my Exchange server and the internet. The newest server is RHEL 8.7.
When I attempt to cURL to OWA from the RHEL server I am getting the ...
- 219
0
votes
1
answer
172
views
Realmd / SSSD Sudo performance issues
I have bunch of RHEL8.6 machines and i need user authentication via Active Directory.
I got machines added to AD-domain with Realmd, made user groups, restricted access to user groups and enabled Sudo ...
- 13
0
votes
0
answers
454
views
ubi8 docker image missing packages
I am experimenting the ubi8 as a migration from centos 7 to ubi8 for rhel linux distribution.
Not sure if I miss something, but the ubi-8-appstream-rpms and ubi-8-baseos-rpms seem missing a lot of ...
- 21
0
votes
1
answer
3k
views
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
0
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1
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166
views
Carbon Black on AlmaLinux?
All:
We've been trying to prepare for the EOL/EOS for CentOS by moving to AlmaLinux 8.7. For many of our machines, we're using Carbon Black (CB) 2.14.0 for security. But VMWare/CB support is telling ...
1
vote
1
answer
827
views
RHEL 8 - yum commands started throwing a 470 error
I am using RHEL 8 on a Jenkins agent and have been trying to install the required dependencies using yum. After some trial and error, I started receiving the following error on
yum update -y
Error: ...
- 111
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0
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161
views
Oracle Linux 8 - IPv6 Address disappear after kubespray installation (with NetworkManager)
I have a strange problem after installing a kubernetes cluster with kubespray (2.19.1) on oracle linux 8 (latest packages and vagrant image).
I use this vagrant file (got a bit ugly from time to time ...
- 115
0
votes
0
answers
241
views
redis-server unable to to start on RHEL 8 due to custom configuration
I have redis installed on a Red Hat Enterprise Linux 8 server. Locally, redis-server starts normally if using default config/ not config file provided. Redis can be used locally to create and query ...
0
votes
1
answer
193
views
firewalld stopping for no reason
I have a Red Hat 8 server. On it, I have used firewall-cmd --permanent --zone=public --add-service=https to enable public traffic to the server. When I systemctl start firewalld, this works as ...
- 101
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1
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33
views
Unable to configure the Verify Privilege Vault Software Development Kit for DevOps
I am running a RHEL 8 server, trying to utilise the SDK for Privilege Vault.
I am following the instructions to install the SDK Secret Server Scripting Tool for DevOps (click here) on the Linux server ...
- 219
0
votes
1
answer
508
views
Oracle Linux 8 TFTP Server Failure
I'm configuring a TFTP server on Oracle Linux 8 and running into some weird issues.
Configuration files:
/etc/systemd/system/tftp-server.service
::::::::::::::
[Unit]
Description=Tftp Server
Requires=...
- 1
0
votes
1
answer
320
views
firewalld: interface autonomously changing zones
I have an RHEL8 system serving as a Docker Swarm worker node. It has firewalld enabled, and has a docker zone to which the docker0 and docker_gwbridge interfaces are assigned.
$ cat /etc/firewalld/...
- 205
1
vote
1
answer
1k
views
Using racadm to change from Dedicated to LOM1?
Is it possible to use racadm to change iDRAC config from the default dedicated port to one of the server's main NIC/LOM ports?
There is relatively little in the documentation beyond configuring the ...
- 789
2
votes
0
answers
187
views
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 ...
- 347
0
votes
0
answers
24
views
Openldap Bind user issue
I am facing an issue regarding openldap 2.6 running on rhel 8.
PasswordMustChange Attribute is affecting the bind user.
Whenever I change the PasswordMustChange to TRUE then bind dn user password ...
4
votes
3
answers
3k
views
Why the RHEL8 system do not generate SSH host keys automatically when missing?
On the RHEL 8 and previous it is usual, that the SSH host keys in /etc/ssh are generated automatically by sshd service when missing. Usually there should be:
/etc/ssh/ssh_host_ecdsa_key
/etc/ssh/...
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