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Questions tagged [rhel7]

Red Hat Enterprise Linux version 7 is a Linux distribution sold by Red Hat, Inc. for the enterprise market. It is used for both servers and desktops. Although the binaries are not freely available, the sources are, and so there are numerous projects which provide compatible rebuilds of RHEL, such as CentOS and Scientific Linux.

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What repository is a yum group sourced from?

Is there an easy way to determine where a specific yum group is sourced? I can query what groups are available using yum grouplist. I can query group information using yum group info $yum_group_name What's troubling me is I can't determine which…
jgrump2012
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error: Failed to initialize NSS library

I am getting error when installing updates or patches in RHEL-7.7.3.. error: Failed to initialize NSS library There was a problem importing one of the Python modules required to run yum. The error leading to this problem was:      cannot import name…
Puneet Dixit
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What is the benefit of registering an offline RHEL system?

I have a couple of RHEL 7.2 systems, which do not have any online connection - also not through any proxy or satellite. I do have subscriptions which I could attach to the systems as described by RedHat here. Now, my question is: What is the…
silent
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iptables command from RHEL documentation for cobbler, fails in RHEL 7

This seems like a very simple question. But I don't see anything much about it on the web. The command comes from the RHEL documentation itself, so I would expect that it works... and yet it fails. Any insight? Command: /sbin/iptables -A INPUT -m…
Tommy Butler
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Issues customizing a RHEL7 VM deployed from a template on VMware

In compliance with VMWare's VM customization matrix, I am testing this out on vSphere 5.5 Update 2d. I create the template with a RHEL 7.1 DVD and point anaconda to a kickstart that looks like this: #version=RHEL7 # Ref:…
Belmin Fernandez
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How do I get a network interface up in rhel 7?

I was given a rhel7 vmware template to use for provisioning rhel 7 test environments. When I created my vm, it booted up fine except that my network interface doesn't seem to come up. If I type ifconfig -a I get the following: ens192:…
Jason Thompson
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bond slave interfaces not getting the same aggregator id on LACP

I have a bug on some servers where LACP (802.3ad) is not working. I have on all servers a bonding device bond0 with two eth slaves and each interface is plugged on a different swich, and both switches configured with LACP. Everything seems to be ok,…
Baptiste Mille-Mathias
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SELinux: manually changing files in /etc/selinux/targeted/contexts/files/

I'm setting up a CentOS 7 server in which the /home directory has to be located on another partition and then mounted with bind-mount. So: /data/homes should be bind-mounted to /home. The problem is with making sure that SELinux contexts are applied…
ItalyPaleAle
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Why do I need to use systemd to set my timezone in RHEL7?

I used to be able to edit /etc/sysconfig/clock, but now I need to use timedatectl, which I believe is a systemd command. What has that got to do with booting the system?
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How to Increase the Size of an XFS File System?

I just created an Amazon AWS EC2 instance running RHEL7: [root@ip-10-184-161-46 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) [root@ip-10-184-161-46 ~]# And even though I selected 10GB as my storage capacity, for…
alexus
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HyperV Linux EFI VHDX migration is missing EFI in the boot options

I have a HyperV 2016 cluster of n machine running on W2k16. I've duplicated the VHDX of a RHEL 7.5 (Gen2) VM that runs with this boot order (and secure boot disabled): After creating a new VM with the cloned disk, the EFI file entry disappeared,…
Lorenzo Brunetti
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VDO/Virtual Disk Optimizer limitations in storage stack

Well, RHEL 7.5 released with important add-on, VDO, which basically adds thin provisioned compressed and de-duplicated volumes, which is great and we'll get these benefits with derivatives and other distros too, as technology was acquired from…
GioMac
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NetworkManager - do not allow user to disable network or connection

By default, users that are logged in on the system are able to completely disable network or connection, is there a way to disable this? Thanks
GioMac
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How do I force Anaconda's SCAP add-on to let me use a USB keyboard?

The problem I'm creating an RHEL 7.3 installation image with a custom kickstart file. I can add this to my kickstart file to enable SCAP configuration during installation: %addon org_fedora_oscap content-type = scap-security-guide profile =…
Alex P
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Latency on a small Linux NFS4 client/server system

We are a computer science department at a small university, running a RHEL 7 server using NFS4 and Fedora 24 clients (~40 client machines, ~150 users--rarely concurrent). We are having latency problems, and we're having trouble…
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