Questions tagged [rhel]
Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.
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Permission denied when executing an rsync command using a third server to copy a file over to another server
I'm trying to copy files over from one server to another using a bastion server with rsync, so I have the list of origin servers and a list of target servers, the strange part is that when I use the ...
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Serial Console is not accessible from VMs created from a custom AlmaLinux 9.3 image
I'm currently following the "RHEL 8+ using Hyper-V Manager" section in Microsoft Azure's documentation link to create RedHat Azure images. I've successfully created a modified AlmaLinux 9.2 ...
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How do I get linux flavors, like Fedora, RHEL, Amazon Linux, and others that don't update motd on login to do so?
I am trying to get my Amazon Linux 2023 server to update the MOTD on login, not on a timer or by fiddling with the profile. I want a clean experience for users whether they re-exec their shell, or ...
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OS kills process before it executes stop script
I have Red Hat Enterprise Linux 8.10 (Ootpa).
I create a init script to stop MQSeries.
before it runs the script from /etc/init.d, the MQ processes are killed.
LOG extract:
Jul 10 11:45:44 ...
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Why is the group permissions rwx for folder but read for newly created files within it?
On Rocky 8 (Redhat), I have a site running under Apache (httpd). I have the permissions set as follows including setguid so files created within the uploads folder inherit the group:
[root@myserver ~]#...
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What important side effects causes on a RHEL system to disable user namespaces?
In order to mitigate a CVE issue I have on a list of servers, I came across this link from RHEL. Under the mitigation steps, there are two options, one is to blacklist a nfs_tables kernel module which ...
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Rebooting directly into MOK
I'd like to enroll a new key in a GCP VM. I'm using the mok --import command, and rebooting form the serial console. The problem is that, when the splash screen appears, the serial console does not ...
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In some linux system , echo $DISPLAY shows :1 instead of :0 why is that?
DISPLAY as :1 typically means that your X server instance is running on display :1, but why it doesn't runs in :0, there is no other display nothing else is connected with my laptop, why it chose :1 , ...
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ext4 filesystem on RHEL 7
I have a RHEL 7 ext4 type filesystem and because of the lack of funding and no backups available I am trying to see if I can import ext4 filesystem from RHEL 7 into RHEL 8.
I have a RHEL 7 with 2 ...
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diagnosing chronyc sources unusable - time won't sync
Trying to get chrony working on a LAN, in RHEL-8.10. The service on either my chrony server or a client appears to be functional as reported by a service chronyd status -l. However I cannot get time ...
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Debian update-alternatives vs Red Hat alternatives
Since CentOS 7 is at its EOL, I am trying to migrate to Ubuntu. Many of our setups involve alternatives to be configured. In Ubuntu, there is no alternatives command but there is an update-...
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How can I confirm for sure that a CVE has been mitigated on a RHEL system?
I have this problem, I'm trying to see if a group of servers are vulnerable to the CVE CVE-2024-1086 so what I do in the server is rpm -qa --changelog kernel | grep 2024-1086, and I get this as output:...
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Generating an ISO image with genisoimage but it's not perserving the ownership?
Generating an ISO image with genisoimage but it's not perserving the ownership, I am using the following command genisoimage -r -v -o <image-name.iso> -R -J <path_to_the_directory>, but it ...
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Using Linux server as a gateway for specific addresses in internal network
I have a RHEL 9 server which has IP addresses as 172.10.0.10 and 172.30.1.10, which is connected to two separate switches with two separate network interfaces.
This server runs a virtual machine, ...
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What is the difference between Red Hat SysV and Unix System V?
Prior to RHEL 7, their distributions were built on SysV, a manager that looks much like the legacy System V (init.d, rc, runlevels...).
They changed it to systemd from RHEL 7.
But what is the real ...
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