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 ...

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2
votes
1answer
27 views

firewall-cmd reject destination address

I'm using following: # cat /etc/redhat-release CentOS Linux release 7.1.1503 (Core) # rpm -q firewalld firewalld-0.3.9-11.el7.noarch # I'm trying to block specific IP address (10.52.208.220) from ...
0
votes
1answer
15 views

sssd using remote ad servers instead of local ad servers

I am using sssd to join Redhat servers to a windows server 2008 r2 domain. Most of the time things work fine but I have noticed that sssd is trying to reach remote domain servers instead of being ...
1
vote
0answers
15 views

How to enable SFTP error status in RHEL7.1?

Here is the problem that I am facing. I have a provisioning server which runs a perl script to upload and download certain files in a regular interval using sftp. The sftp command is executed in batch ...
0
votes
0answers
43 views

unable to query the systemd journal with journalctl

I'm using Red Hat Enterprise Application Platform 6.4.2.GA on following system: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.1 (Maipo) # uname -a Linux X ...
-1
votes
2answers
59 views

Redhat enterprise server 7.1 x86_64 installation fails

Error code is 256; my machine is amd phenom ii asus m5a78l-m based. I am using bootable flash drive. Description of error is packages/xfs...noarch.rmp couldn't be taken from anaconda. I tried two ...
0
votes
0answers
28 views

Unable to start Docker Container

I'm trying to run docker container from an image that I pulled from my laptop onto our test servers. However, I received this error when I tried connecting: $ docker run --name debian-pg1 -p ...
0
votes
1answer
39 views

Installing PHP 5.2 on RHEL 7.1

We are planning to move to Amazon EC2 server. Our current server version RHEL 5.5 and PHP 5.2. We are planning to configure Amazon RHEL 7.1. Does RHEL 7.1 support downgrading PHP version to 5.2. I'm ...
0
votes
0answers
38 views

RHEL 7 how to set up auto login

I've got RHEL 7 Workstation configured to auto login a particular user upon boot. Running gnome/gdm. What I also need is to auto-login the same user when it or any user logs out of gnome. Right now ...
0
votes
1answer
28 views

ISCSI vs ISCSId Services

From ISCSI clients, we execute # systemctl start iscsi. However, i can see there is another service called iscsid. Can anybody explain about iscsi service vs iscsid service in rhel7.?
0
votes
0answers
39 views

up2date login & patch APIs for RHEL7

I am trying to achieve controlled patching of the RHEL machines in my network, for which I need to get the list of all patches onto a windows machine & distribute the missing ones. I have already ...
1
vote
1answer
41 views

virsh: error loading shared libraries: libyajl.so.2 is missing

I just tried to setup some KVMs on RHEL7. My procedure was: yum install qemu-kvm qemu-img yum install virt-install libvirt libvirt-client libvirt-client The I tried out virsh list --all to ...
0
votes
1answer
296 views

Installing compat-libstdc++-33 on RHEL 7

As part of an Oracle install I need to install the compat-libstdc++-33-3.2.3 (x86_64) package. However no matter what variant of the package I try to install with yum, it can't be found ...
0
votes
1answer
32 views

RHEL and PHP versions

RHEL 7.1 ships with PHP 5.4 and that version is going out of support soon. Based on historical trends, will RHEL upgrade to a new major version of PHP? UPDATE RHEL 7.1 - PHP 5.4.16 RHEL 7.0 - PHP ...
0
votes
1answer
29 views

Kickstarting RHEL7 VM stalls with “No device selected”

I've been using Ashgar Ghori's RHEL7 study guide and have hit a small snag which I have not been able to find a solution to. Using a kickstart file that worked previously, whenever I use it for a new ...
0
votes
1answer
42 views

install openstack in rhel 7 without subscribe to RHN [duplicate]

my question is is it possible to install openstack on rhel7 without subscribing to the Redhat network? I'm receiving an error of a missing dependency on phython-greenlet and so far the only solution ...
1
vote
0answers
126 views

virt-install with kickstart file using LVM fails

I'm trying to install a VM using virt-install using a kickstart file. I've tried both RHEL 7.0 and RHEL 7.1. In both cases using LVM seems to make the installation fail. After a timeout it drops me to ...
0
votes
1answer
55 views

Is it possible to add an os variant to the virt-manager list?

I just installed RHEL 7.1 on a server. I'm using it to study for the RHCSA/RHCE exams. One of the steps in the study guide is to install a VM through virt-manager using installation media on an FTP ...
0
votes
0answers
36 views

Is the lmdb-devel package necessary for installing the cfengine on RHEL v.7 via an RPM .spec file?

I have a problem when I try to build from my spec file. I run this: rpmbuild -ba newpackage.spec I see a great deal of output. It ends with these lines: configure: error: Cannot find ...
6
votes
1answer
119 views

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. ...
2
votes
1answer
473 views

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: ...
5
votes
1answer
84 views

How to ensure sshd is the last service to be stopped during shutdown?

I have noticed that when I issue a reboot command, my SSH connection is immediately closed on CentOS 7. It does not mean the server has rebooted, as I can still ping it. It seems systemd is killing ...
0
votes
0answers
96 views

request_module: runaway loop modprobe binfmt-0000

I'm running CentOS 7. Everything was working fine, until I had one pending update, which I accepted and rebooted. Now the system fails to boot and instead says: request_module: runaway loop ...
0
votes
1answer
34 views

Creating AD SPNs with realmd/sssd on Cent7

Is it possible to use the system tools provided by realmd/sssd on a CentOS7 system to create and write out service principals for Apache and other servers? Or are we still reliant on other tools, ...
1
vote
1answer
64 views

How do I get puppet master to listen on IPv6?

So I have a RHEL 7 server on an internal network with IPv6, and I am able to SSH into it via IPv6 and it is also serving DNS to other hosts over IPv6. I have noticed that puppet master bind to IPv4 ...
3
votes
0answers
100 views

Centos 7 & Hard CPU Limits

OS Version Information: [root@localhost system]# cat /etc/redhat-release CentOS Linux release 7.1.1503 (Core) Configuration for the test.slice is as follows: [root@localhost system]# cat ...
0
votes
2answers
213 views

How can I set resource stickiness in pacemaker?

I'm playing around with Red Hat's High Availability Add-On, everything seems working fine however I have one issue: Whenever I reboot one of nodes 7test2, resource group g1 migrates to 7test1 (by ...
0
votes
1answer
124 views

Connection tracking in Firewalld (e.g. CentOS 7)

I can't get vsftpd and firewalld to work together properly on CentOS 7 (without adding the passive range to the firewalld). Looks like firewalld ignores connection tracking (nf_conntrack_ftp is loaded ...
2
votes
1answer
134 views

Are there good reasons not to disable /etc/init.d/network on centos-7 in favor of exclusively using NetworkManager?

rhel-7/centos-7 network configuration is bizarre -- largely because they are straddling between the old (shell scripts usually invoked by /etc/init.d/network which mutate configuration state of ...
2
votes
2answers
420 views

Multiple Domain realmd/sssd Configuration on RHEL7?

I've configured our RHEL7 instance to support Active Directory login integration by using the documentation HERE. This describes using the "realm" command to configure the "sssd" service allowing for ...
1
vote
1answer
283 views

How To Remove Non-Existent/Phantom Yum Repository?

TL;DR... I'm replacing public yum repos with an internal one and I can't figure out why two public ones continue to display in "yum repolist" when they don't appear in the normal config files. I've ...
0
votes
0answers
125 views

CentOS 7 Cluster with load balancer

I'm trying to understand how clustering works in CentOS 7. I'm not a cluster expert!!! What I'm trying to do is to have three clustered services: httpd, mariadb (mysql) and postgresql. I've managed ...
0
votes
2answers
355 views

Is there a way to run just save with firewalld in RHEL7?

I'm starting to use RHEL7 and learning a little about the changes that come with systemd. Is there a way to perform /sbin/service iptables save in firewalld? $ /sbin/service iptables save The ...
0
votes
1answer
50 views

Access to samba share folder without browsing

I am setting up a samba server on RHEL7. I would like to set up my share permission in the following manner - Directory shared - /shared/ /shared/private/ Files in /shared/ - /shared/file1 ...
0
votes
0answers
36 views

Bridging Interfaces and limiting Egress of children

HISTORY: First let me explain what I want to do: I want to setup a development / staging environment based on LXC so our developers can rapidly deploy and tear down VMs. We have a single public ...
1
vote
0answers
78 views

CTDB and SAMBA Cluster

I am trying to setup Samba Cluster with CTDB on CentOS7. I am having some confusion about how CTDB work with SAMBA. Here are my queries - 1) How to disable CTDB IP Failback? When node1 die, node2 ...
0
votes
1answer
120 views

issue with xinetd arguments

i have created this BASH script called blah which does something simple like this (See below) #./blah -x "bindas" hello bindas i would like to execute script using xinetd with dynamic variable, ...
1
vote
0answers
61 views

xrpd service is not listening in RHEL 7

I installed xrdp (according to the instructions on this post: xrdp install instructions for RHEL 7, enabled it, but the xrdp.service does not show that it's listening on port 3389. What could be ...
2
votes
1answer
162 views

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?
1
vote
1answer
822 views

recommended way to configure a centos-7 network interface with static settings via ansible

I'm new to ansible and a little googling hasn't lead me quickly towards the right solution to my question. What's the 'with the grain' way to assign static network settings to a centos-7 host with ...
1
vote
2answers
595 views

Zabbix server SELinux policy

I have a Zabbix server running on a RHEL 7 box and when I use the web front end (on the same box) it says Zabbix server is not running. If I disable SELinux and change nothing else, the web front end ...
1
vote
1answer
55 views

RHEL Routing with 3 nics

I am trying to get my routing to work on my RHEL 7 with 3 nics and 3 subnets. I have the followig nics DEVICE=eth0 BOOTPROTO=sttic ONBOOT=yes TYPE=Ethernet USERCTL=yes PEERDNS=yes IPADDR=10.241.78.5 ...
1
vote
1answer
2k views

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 ...
1
vote
2answers
216 views

unable to install npm on the AWS RHEL7 AMI because of c-ares-devel dependency

I've added the EPEL repository and attempted to install npm (since it is not included in the standard repos), but get the following error: Error: Package: nodejs-devel-0.10.33-1.el7.x86_64 (epel) ...
0
votes
1answer
548 views

Autofs and Samba not mounting on RHEL 7

I have a samba share entitles "scrolls" set up. Listing the samba share works just fine: [root@rhel7-client ~]# smbclient -L 192.168.1.2 Enter root's password: Domain=[WORKGROUP] OS=[Unix] ...
0
votes
1answer
235 views

RHEL7 server won't boot after restart - “Failed to start LSB”

I have a RHEL7 server that has been running for the past couple weeks, but it won't come back up after a restart now. I have daily snapshots, but all of them seem to be affected by the same problem. ...
2
votes
2answers
224 views

RHEL sends mail as myhost.localdomain but I don't want the localdomain suffix/FQDN

I have several machines that used to run Ubuntu 10.04. The OS were changed to RHEL7. After the change, programs like cron and mail send mail as myuser@myhost.localdomain whereas on Ubuntu it was ...
0
votes
0answers
183 views

RHEL7 kickstart fails to install product certificate

I am installing Red Hat Enterprise Linux 7.0 Sever from a customized image with a Kickstart file. After rebooting, no product certificate has been installed, making it impossible to register the ...
2
votes
1answer
2k views

How can I coax RHEL / CentOS / SL 7 into booting normally with degraded software RAID 1

I set up a new server (my first with this version of Linux). I installed a pair of 160 GB blank SATA HDDs (one Seagate and one WDC, but with exactly the same number of LBA sectors) in an old machine, ...
0
votes
1answer
374 views

Configure a Bridge Device in CentOS 7 via Kickstart

I wish to configure a br0 bridge with kickstart using eth0 as its slave. Is this possible? I have not seen any kickstart examples that do this. I wish to use this box as a KVM host, so I'm ...
0
votes
1answer
266 views

How to include cinnamon via kickstart in CentOS 7

I'm trying to install cinnamon via kickstart in CentOS 7. In previous versions of CentOS/RHEL there was the %packages --resolvedeps options This option is no longer available. I have the following ...