Questions tagged [rhel]
Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.
4,215 questions
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How to set default sound output before xdg autostart runs applications?
We have an application "my-app" that is autostarted by xdg (.config/autostart/my-app.desktop).
We need sound through the hdmi sound device. This is not the default device after a fresh ...
- 111
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How to handle crontab across multiple users on the same virtual machine?
Me and my team are working on a RHEL virtual machine and we were wondering how to handle the same crontabs from multiple users.
When one of the users does set a crontab no one but the user itself can ...
- 101
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Not able to yum/dnf gparted on centos 10
All,
I find that gparted is not downloaded on centos 10 even after installing sudo dnf install epel-release -y . Other packages also are not downloadable like gvim. Any idea what should I do?
Here are ...
- 103
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Docker iptables behavior
I have two Redhat 8 virtual machines. I'm running Docker on both, in this case as a host for the application called Graphite.
The VMs started out identical to each other, and I pulled the same Docker ...
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How can I find what’s using space in my root LVM (/dev/mapper/ol_wglsbi02-root) on RHEL / Oracle Linux?
I inherited two servers, a production server (wglsbi02) and a mirror/backup server (wglsbi01), that were originally set up by someone who has since left the company.
I’m not an experienced system ...
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How can I configure VirtualBox network settings so multiple Linux VMs can communicate locally?
I am setting up several Linux virtual machines in VirtualBox to practice for the RHCSA exam. I want them to communicate with each other for testing networking commands such as ping, ssh, and file ...
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How can I upgrade Apache 2.4.37 installed on Red Hat Enterprise Linux release 8.10 (Ootpa)?
I have an Apache proxy 2.4.37 installed on Red Hat Enterprise Linux release 8.10 (Ootpa).
I've found out that 2.4.37 version is the lastest version supported Red Hat Enterprise Linux release 8.10 (...
- 101
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wheel group with selinux
I am trying to elevate the SELlinux context when an administrator uses the sudo command in Redhat 9, but I can't get it to work.
According to Redhat's knowledgebase, I have to change the "default&...
- 468
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firewalld corruption python-nftables command not found
this is in RHEL-8.10 x86-64
from a clean install from rhel-8.10-x86_64-dvd.iso and only using the public.xml file;
the only things I do is
# quad port nic with eno4 being my wan connection
firewall-...
- 9,190
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SELinux causing issue with syslog-ng
I have a little experience with RHEL 6 from around 2016-2018 timeframe, but not much. When I took a new job in January 2025, I inherited a couple RHEL 8 systems. Those systems are not connected to a ...
- 111
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Unbound Cache Stats Not Increasing - still Showing Same Hits/Misses After Days
We configured Unbound on a RHEL-based server ( RHEL 7.9 ) to provide DNS caching. Here’s the relevant part of our /etc/unbound/unbound.conf:
server:
chroot: ""
verbosity: 1
port: ...
- 14k
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Cron shutdown behavior in AWS
I'm just trying to understand the behavior I'm seeing. I tried adding this line to my AWS EC2's (root) crontab:
00 00 * * * shutdown -h now
But this never executed. When I added this to my own ec2-...
- 111
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How to pretty print one column of piped input?
bash 4.4.20 and jq-1.6 on RHEL8
I get this nice output from jq and column. Hard to read, though.
pgbackrest info --output=json \
| jq -r '.[] | .backup[] | "\(.type) \(.label) \(.info.delta)...
- 1,483
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globally setting gnome terminal titlebar buttons minimize maximize as on [gnome-tweaks]
from a clean install of rhel-8.10-x86_64-dvd.iso as Server with GUI, and running the GNOME-classic scheme the default layout has no minimize and no maximize title bar buttons by default. It only as ...
- 9,190
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Fapolicy blocking Ansible on RHEL 9
I work in a STIG environment with Active Directory integration for logins. When I try and run an Ansible script, my RHEL 9 machines return back the following error:
"module_stdout": "/...
