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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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Is there a way to persist iptables config using only default iptables on RHEL 7? (NOT iptables-services or firewallD!)

I have a RHEL7 environment isolated from Internet in a DMZ network. by default, only iptables is installed, neither iptables-service & firewalld is installed and CANNOT be installed from Internet. So all these commands are not effective: (sudo)…
tribbloid
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RHEL 7 server no longer successfully boots and I can't determine exactly why

The server disks are configured as follows: /dev/sda, /dev/sdb, /dev/sdc, /dev/sdd are ZFS zraid2 (using ZFS On Linux) /dev/sde1 is xfs /boot partition. /dev/sde2 is swap. /dev/sde3 is btrfs (holds everything else). I rebooted my server after…
Kefka
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How do I make PHP store sessions in redis on RHEL/CentOS?

Have some development and staging VM's running RHEL 7.2 with PHP5.6 via webtatic repo. Have both Apache w/PHP and Node.js running fine. Have redis deamon running fine. Have not found a good best practice for enabling PHP to store sessions in redis.…
rickatech
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Renaming Linux vlan subinterfaces

I am creating 4 different sub interfaces for 4 different VLAN. The sub interfaces are now of the form eth0.a, eth0.b, eth0.c, eth0.d. I am looking for a solution to rename these interfaces. so that the applications that are already consuming…
PDP
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VNC permission forwarding with CentOS 7

So I'm running into another strange issue on CentOS 7. I have vncserver installed as a systemd service, running as my normal non-privileged user. There are a couple processes that don't prompt me for the root password as they should: yumex and "Disk…
Danny Forche
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Automated installation of system that uses two isos, the first one has a kickstart file

Currently we are using a VMware ESXi system to host some RHEL 7.2 virtual machines and we are installing our product onto them for testing purposes. The problem we have is that the process to generate those virtual machines, or better said, to…
jbarren
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Redhat EL 7.2 using postfix to use smtp.gmail.com to relay not working

I am running rhel 7.2, I have postfix installed and can't get it to relay through gmail smtp servers. I have followed lots of tutorials and googled and tried answers to lots of others posts but I can't seem to get anything to work. This is the…
big tone
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Virtualized windows 7 under qemu/kvm hangs

I have set up a windows 7 virtual machine using Red Hat 7's standard qemu/kvm. When I start up the vm, windows boots to the point where it says "Starting Windows" and displays the stylized window. Then nothing further happens. Anybody know how to…
J. L. Tympanum
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Applying ppolicy.ldif in OpenLdap

I just added the ppolicy.ldif schema to ldap by running the following: ldapadd -T EXTERNAL -H ldapi:/// -f /etc/openldap/schema/ppolicy.ldif I then try to ldapadd my change.ldif file seen below #changes.ldif file dn:…
Alex
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Getting an error when trying to start the "ntpdate.service" for RHEL7.1

I am trying to restart services for openstack, and under my /etc/systemd/system/multi-user.target.wants/ I run a systemctl start ntpdate.service and get the following error: May 31 12:05:39 localhost.localdomain systemd[1]: Starting Set time…
M. Barbieri
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home logical volume is not available after reboot

On a server with RHEL 7.2 it gets to emergency mode when rebooting. Looking a bit I found out that what happens is that the /home partition was missing and the reason was LVM: --- Logical volume --- LV Name /dev/rhel/home VG…
hosselausso
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Build rpm on CentOS for RHEL

I need to install some software which is not available pre-compiled on a client's RHEL Server. I decided to create a rpm for easier installation on multiple systems. As i have no RHEL subscription, can i create the rpm locally on CentOS and then…
embedded
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RHEL/CentOS 7 run named-chroot on systemctl named invocation?

How can I make systemd treat calls to systemctl xx named as calls to systemctl xx named-chroot? Under RHEL/CentOS 6 installing the bind-chroot package would set up a chroot'ed environment for BIND, but the control script would remain the same. i.e.…
André Fernandes
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Having trouble installing MySQL Community Server on new RHEL 6.8 instance

I'm having trouble installing MySQL 5.7.12 on RHEL 6.8. The first RPM I downloaded was for RHEL 7.0. This is a brand new instance, and I stupidly assumed it would be RHEL 7. It's not. So my installation failed with errors like: Error: Package:…
RubyRedGrapefruit
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How can I configure a single-node cluster on RHEL 7?

For particular purposes, I'd like to know how can I configure a RHEL 7 HA cluster with only one node (of course, no HA will be available in this scenario). The following article says that single-node clusters are not…
Riccardo M.
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