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Questions tagged [rhel9]

Red Hat Enterprise Linux distribution released by Red Hat in 2022 and supported through 2032

RHEL9 is an Enterprise Linux distribution released by Red Hat in 2022.

49 questions
16
votes
5 answers

Error in libcrypto connecting RHEL 9 server to Centos 6 via SFTP/SSH

I am trying to connect from a new RHEL9 server to an older Centos 6 server to SFTP files from the older server to the new one for an upgrade, but when connecting from 9 to 6 I get the following error: [ewessel@ftp ~]$ ssh -v…
Eric W
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6
votes
2 answers

RHEL8 upgrade to RHEL9 with Leapp: warning: Signature not supported. Hash algorithm SHA1 not available

After upgrading some servers from RHEL8 to RHEL9 using the Leapp utility there's some warnings after the upgrade in dnf and rpm: warning: Signature not supported. Hash algorithm SHA1 not available. Every time that I ran any of those commands I got…
Vinícius Ferrão
  • 5,870
3
votes
1 answer

Do EPEL PostGIS packages remain compatible with Red Hat-supported PostgreSQL for the full RHEL lifecycle?

Background I'm planning to set up a PostgreSQL/PostGIS server on RHEL 9.4 as part of migration work from an older version of RHEL and am comparing upgrade paths from a stability perspective. If I understand correctly, there are two ways to install…
Yuki Sasaki
  • 133
3
votes
2 answers

RHEL9 subscription-manager cannot differentiate my original VM and the cloned VM

I have a registered RHEL9 VM and recently I have cloned a copy of it by restoring from the latest Veeam backup. Then I changed the IP, gateway, also /etc/hosts file and regenerate /etc/machine-id file (also /var/lib/dbus/machine-id) Then I executed…
shole
  • 103
2
votes
1 answer

FAPolicyD overhead slowing down a server

We have a server with the Alma Linux 9.3 OS. By default (as well as all current RHEL-like OSs) it has fapolicyd enabled. There is also an application server (WildFly/JBoss/Java) running on that server. The deployed application processes some data…
McLayn
  • 223
2
votes
1 answer

RHEL 9 use ldap (AD) for authentication only

I want to manage users locally on an RHEL 9 system. I want to create, delete, associate with groups all locally. However I want their password to be validated against LDAP. If they don't exists in ldap, that is OK and they should authenticate using…
Paul Lemmons
  • 21
2
votes
2 answers

Linux: Run a specific command as another user?

I want to be able to allow users to run a specific command as another user, is this possible? I have a script that reads a remote file through ssh to get a status, something like: #!/usr/bin/sh state=$(ssh -q -i $HOME/.ssh/id_rsa" auto@remote-host…
Andrew
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2
votes
1 answer

Troubleshooting Apache with GSS Proxy Authentication and LDAP Authorization

I'm setting up an internal web server on a domain-joined RHEL server with Kerberos authentication via GSS proxy and tiered authorization with LDAP, where Active Directory is the source of truth. Kerberos and the authentication piece is working fine,…
Vaito
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1
vote
2 answers

Cannot Upgrade EL9 Server with OpenLDAP Isntalled or Install OpenLDAP

We use Oracle Linux 9 for our servers (so it's EL9 family - based on RHEL9). Some of the servers have openldap-servers installed. (We have the oracle-epel repo enabled, in addition to the standard repos, but they are all Oracle repos). Some time…
Adam
  • 296
1
vote
1 answer

Why is auditctl -l output not as expected?

I have an /etc/audit/rules.d/audit.rules file with the following: -a always,exit -F arch=b32 -S chown,fchown,fchownat,lchown -F auid>=1000 ...etc... -a always,exit -F arch=b64 -S chown,fchown,fchownat,lchown -F auid>=1000 ...etc... After…
MarkX999
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1
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1 answer

RHEL on AWS: Red Hat Insights Client suggests changing cipher rules

I have had the following suggestion for my Servers on the insights client. SSH security is decreased when insecure cipher or hmac is enabled in the crypto policy The playbook remediation doesn't seem to work. Neither does the linked red hat…
Huw Evans
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1
vote
0 answers

Hardware diagnostics for IBM POWER AC922

We have an IBM POWER AC922 server that’s misbehaving, and we’re experiencing issues that we initially suspected were related to the GPUs. Specifically, a kernel panic sometimes occurs when attempting to run CUDA code. After investigating the system,…
Vinícius Ferrão
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1
vote
0 answers

pmie_daily and pmlogger_daily services both failing to start on rhel server

I've searched and searched, and can't find much on this problem. Both the pmie_daily and pmlogger_daily services are failing to start on out RHEL server. They are part of the RHEL "Performance Co-Pilot (PCP)" system. One post I found said it was due…
jamminjames
  • 141
1
vote
0 answers

Is podman's container exec_died message an error?

I see the following two messages in my syslog at regular intervals. The "exec_died" message sounds like a bad thing, yet everything seems to be working. Is this an indication of a problem - or just normal for podman? Oct 15 11:39:10 lserver…
TSG
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1
vote
1 answer

DHCP failover with PXE

I'm trying to set up DHCP failover with PXE booting allowed from one of the DHCP servers. As required by the DHCP specification, I've setup separate pools for "regular" DHCP and for PXE booting. My failover configuration works fine, but the DHCP…
William Seligman
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1
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