Questions tagged [redhat-enterprise-linux]
Use for questions about Red Hat Enterprise Linux (RHEL), a Linux distribution from Red Hat intended for enterprise use. Note there are version-specific RHEL tags for questions unique to a specific version. Use a product-specific tag for questions about other distros in the Red Hat family, like Fedora or CentOS.
1,142 questions
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Why are my VMWare Workstation Host-Only Virtual Networks not working?
I am trying to set up 3 VMWare Virtual Networks that are Host-Only. I have at least 2 (more planned) VMWare Workstation Virtual Machines which are RHEL10 that need to access and use these networks to ...
- 333
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55
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Why is hostname resolving well for some commands but not for other commands?
I use check_http and check_tcp Nagios plugins to check some endpoints from a RHEL 8.10 box.
My problem is both return this for some domain names:
Name or service not known
Instead, well-known ...
- 393
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281
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Podman containers all randomly exit, and do not start again
On a brand new RHEL 10.1 installation, configured as a server with headless management tools, all Podman containers randomly exit, and do not start again. The Podman API Service also stops with ...
- 21
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How to make file in “/etc/init.d” start after all other systemd scripts have run in RHEL9.6?
How can I get this service to start after every other service has started for run level 3 on RHEL9?
[unit]
description=EMC Networker
After=syslog.target network.target network-online.target
[service]
...
- 1
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48
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hard disks + optimizing a Hadoop DataNode on RHEL 7 for large sequential I/O workloads and looking into Linux block device read-ahead
I am optimizing a Hadoop DataNode on RHEL 7 to improve disk performance for large sequential I/O workloads and considering tuning the Linux block device read-ahead (blockdev --setra).
Current ...
- 1,011
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1
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194
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VMware Workstation and Red Hat 10: stuck on gray screen
I try to install Red Hat 10 in a VMware Workstation Pro VM on a Windows 11 host, but right after booting into installation, the VM gets stuck in a gray screen. No text, just a gray screen with a mouse ...
- 1,548
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226
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How do I get terminal-based user interfaces to display properly on RHEL 8?
I need to use RHEL 8.10 systems for work. None of the fancy terminal-based user interfaces (TUIs) that use UTF-8 characters to do progress bars, windows, and menus seem to work. They mostly just show ...
- 121
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54
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High TCP retransmissions from RHEL 8.6 client (BBR) to RHEL 7.9 server (Cubic) during iperf3 test
We're testing TCP performance between a client and server using iperf3 in a controlled environment.
Client: RHEL 8.6 with BBR congestion control enabled
Server: RHEL 7.9 using default Cubic congestion ...
- 1,011
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1
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377
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Apache force transfer-encoding chunked after update to version 2.4.62
I'm running Apache with PHP-FPM on a RHEL 9 server. After updating Apache from version 2.4.57 to 2.4.62, all HTTP responses now include the Transfer-Encoding: chunked header, even when the PHP script ...
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300
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Systemd postgresql service version
I'm coding a middleware connected to an old PG server, so I have a dependancy in my middleware.service says it requires/start-after "postgresql.service"
For now, I'm busy to upgrade to PG17, ...
- 197
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208
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Can't access samba share as user b
I have set up a basic samba share using this file tree:
/sroot
├── personal
├── music
└── all
├── New folder
└── New folder (2)
I have 2 users, myname and friendsname, and I can access and ...
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54
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User credentials exposed from sasl database
I have created a user using:
saslpasswd2 -c secureuser
While running strings /etc/sasldb2 , it exposes password as string in plain text.
Config file /etc/sasl2/memcached.conf has PLAIN mechanism. Is ...
- 101
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217
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Why is RedHat 8 showing kernel messages complaining about the disks on Dell servers?
We have a cluster with Red Hat 8 servers. From dmesg, we are seeing strange errors related to the disks. These errors appear only on the Red Hat 8 servers and do not occur on the Red Hat 7 servers, ...
- 1,011
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92
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SSH not Exiting Properly after Execution and Termination of a Graphical Application via X11 Forwarding
I'm using a GNOME graphical desktop on a RHEL 9.5 system. I open a terminal and execute this command:
ssh -X [email protected]
Once connected to the remote system (which is running RHEL 6.10), I ...
- 1,149
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Ansible failing to write .ansible/tmp Directory
Up until ansible has to use fetch to retrieve files, the playbook works. Due to security requirements, several directories require noexec such as /var /var/tmp /home and /tmp which are the main ones ...
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