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2
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1answer
36 views

In a Pacemaker cluster, is there any way to set start-failure-is-fatal on a per resource basis?

I've got it set cluster-wide currently, but I'd really like it to be set to 'true' by default and false for only my Slave DRBD resource. Using Pacemaker 1.1.12 and Corosync 1.4.8.
0
votes
1answer
26 views

Apache httpd: How can I Deny from all, Allow from subnet without the ip address range being known before hand?

I am running REHL 6.7 with the stock Apache httpd-2.2. I have enabled mod_status at the Location /server-status. I would like to allow access to this single Location in the following way: Deny from ...
-2
votes
1answer
31 views

Make copy of OVA before restoration or not

Good afternoon, When having to restore a virtual machine from a backed-up OVA file, should you select the source as the actual file itself or should you create a copy of the backed up file before ...
0
votes
0answers
28 views

linux redhat + error from dmesg how to know the root cause

we installed from scratch new red-hat VM Linux machine version 6.7 after installation I noticed about the following message from the dmesg , and on the console can someone have idea what are the ...
0
votes
0answers
42 views

Trust a Self-Signed SSL Cert (RHEL) for LDAP over TLS

My Setup Mac OS X Server (El Capitan) as the OpenDirectory Server RHEL 6.5 connected via LDAP for authentication I have set /etc/sysconfig/authconfig on the RHEL server to "FORCELEGACY=yes" just ...
0
votes
1answer
48 views

Max number of KVM guests in Centos host

On this page, Redhat state that RHEL 5, 6 & 7 are all limited to a maximum of 4 concurrently running KVM guests. Other products that they offer, such as "Red Hat Enterprise Virtualization", do ...
0
votes
1answer
87 views

Unable to install Rtree 0.8.2 package on RHEL6 64-bit

UPDATE: If it also helps. I have root access. Seems like I am not the only with the problem, but a couple had this problems https://github.com/ioos/conda-recipes/pull/198 I had updated my core.py ...
0
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0answers
9 views

Create multiple password policies in redhat

How can i create multiple password policies in linux redhat, for example a password policy for the sudeors and another policy for normal users?
0
votes
1answer
33 views

linux + yum update - what this command covers?

we have red-hat version 6.x machine, I verified what are the missing security patches as the following: yum updateinfo list security available Loaded plugins: product-id, rhnplugin, security, ...
1
vote
0answers
69 views

RHEL 6.5 in AWS, yum : Cannot retrieve repository metadata because of 404 Not Found

I have a RHEL 6.5 EC2 instance and yum is broken yum clean all $ yum clean all Loaded plugins: amazon-id, rhui-lb, security Cleaning repos: dag epel rhui-REGION-client-config-server-6 rhui-REGION-...
0
votes
1answer
97 views

slapd dead but pid file exists openldap

I am facing issue with our new LDAP servers as they go down one by one alternatively. When checked for the services it says: "slapd dead but pid file exists openldap" but show no service ...
0
votes
1answer
178 views

How to remove this warning “This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.”

I get the following error when i am listing the updates.Server is currently registered with ULN. Although its a warning, i do not want the below message displayed when i am issuing yum command.i found ...
0
votes
0answers
17 views

MariaDB replication- slave with high loadavg

We recently set a master-slave replication with MariaDB 10.1.12 on RedHat 6.7 fully patched. Master and slave are powerful Dell R730 with 2 RAID arrays- 1) 2 x 15k SAS drives for OS in RAID1 2) 4 x ...
1
vote
0answers
23 views

socket_keepalive configuration for mod_jk

I have Apache httpd with mod_jk. I have issue with killed connections after long idling period: Apache stops to respond and each HTTP request hangs for 15 minutes. I tried turn off mod_jk connection ...
1
vote
0answers
79 views

Configuring OpenLDAP over TLS for RHEL/CentOS 6.5

i've been banging my head against the wall with something that seems to be a simple concept. I have two RHEL 6.5 servers. One will be acting as the OpenLDAP server, and one will be a client ...
0
votes
1answer
65 views

How to install Ubuntu on Red Hat with KVM

I need to install Ubuntu Server on RHEL (Red Hat Enterprise Linux) Server 6.5. I went with the KVM route until I realised that Ubuntu isn't listed as a supported "guest" Operating System (https://...
0
votes
1answer
67 views

Installing a software in multiple linux machines using shell scripting in one machine

I will login to one Linux instance using ssh - putty and my goal is to install a software (for ex: I need to download oracle and install it) on 5 Linux machines with one shell script when I run that ...
2
votes
1answer
106 views

LVS DNS load balancing on machine with only 1 NIC

First of all let me clarify that I am just a software developer not an admin, thus I have some knowledge (let's say a basic understanding of the concepts) regarding networking configuration as well as ...
0
votes
0answers
37 views

Using LDAP attribute to get Home Directory for SFTP connection in RedHat 7.0.3

We need to outsource the authentification on a SFTP server to use an existing LDAP. the connection to this server will be done by (user/password) via LDAP, and the home directory of the user must be ...
2
votes
2answers
95 views

How to configure Fedora / RedHat / CentOS to delete files in /tmp on boot

How can you configure Fedora / RedHat / CentOS systems to delete files in /tmp on boot like Debian and Ubuntu?
1
vote
0answers
72 views

Cluster red hat add a default route , no RIP protocol is enabled

We have a couple of Red Hat Enterprise linux server with clustering uname -a: Linux deda-ora1 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux rpm -qf /etc/...
2
votes
0answers
62 views

RHEL 6.7 cache causing out of memory errors

I have a (large) system that has cache behavior that I don't understand. It seems that the cache ran the system out of memory. How is this possible? Doesn't the kernel clean up the cache when there'...
0
votes
1answer
53 views

How to restrict user access via SSSD AD provider?

I'm trying to configure a Redhat 6.x server for Authorization and Authentication to Active Directory (AD) via SSSD- after joining the server I'm able to login with any valid domain credentials. How ...
1
vote
1answer
45 views

selinux mls ssh getting denied dyntransition - login failure

I am trying to learn SELinux and going though the Red Hat documentation for RHEL 7. I came upon the documentation for Multi Layer Security (MLS) and wanted to try it, so I set SELINUXTYPE=mls and ...
0
votes
0answers
27 views

Route external requests through proxy RHEL

We have a web application that runs on nginx and play framework. This application is hosted in an environment that does not have external Internet access without going through a http/https proxy. OS ...
1
vote
0answers
26 views

WinSCP successfully uploads to a CIFS automount but fails on the final rename

One system has CIFS autofs home directories. I can upload files without issue but it seems to be failing on the final rename: But I can see the file uploaded, just with the .filepart extension: ...
0
votes
0answers
11 views

Sendmail : save emails into files

I use sendmail to manage the emails of my website. I'm testing features which require to send emails, and I'd like to receive these emails in a local directory of my server, store them as text files ...
1
vote
0answers
35 views

redhat satellite + downgrade procedure - how

I used the RHN - red-hat satellite version 5.x in order to install errata patch: ( on linux version 6.x ) glibc-2.12-1.166.el6_7.7.x86_64 while the curent patch on my linux was: glibc-devel-2....
0
votes
0answers
22 views

Jenkins configure from command line?

Is it possible to setup a Jenkins from command line in more detail? So far I just install Jenkins and Plugins wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins....
0
votes
1answer
72 views

Possible to configure DHCP server to only hand out IP's to PXE clients

Is there a way when you are setting up a Red Hat DHCP server for PXE boot to ONLY hand out IPs to PXE clients? We already have a Windows DHCP server on the network (a server which we do not manage)and ...
1
vote
2answers
53 views

Running a service as root in RHEL 6

I am trying to force Kibana to listen on port 80 therefore it needs to run as root. How can I do this? The init script is as follows: #!/bin/sh # Init script for kibana # Maintained by # Generated by ...
1
vote
0answers
33 views

Warning: mysql_connect(): Host 'ip-X-X-X-X.ec2.internal' is blocked because of many connection errors

I'm using following system: $ cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.1 (Maipo) $ uname -a Linux ip-X-X-X-X.ec2.internal 3.10.0-229.14.1.el7.x86_64 #1 SMP Tue Aug 25 11:21:...
1
vote
1answer
89 views

cloud-init does not insert instance level ssh keys in gce

I am passing (YAML representation) metadata: items: - key: sshKeys value: root:ssh-rsa AAAAB... non@nan when creating a gcloud instance. But I cannot ssh to the instance $ ssh 139.242.197....
1
vote
1answer
299 views

How to remember/cache or specify private key passphrase for Ansible

Just starting out with Ansible, I have set up an Asible user on the client machine and created a set of keys from OpenSSL. I am running Ansible under my own account. I have specified the user and ...
0
votes
1answer
47 views

Does a Linux DHCP server have IP conflict prevention?

Scenario: We are migrating DHCP off our Cisco gear and onto a Red Hat 6.7 server. I am concerned about clients who will not release and renew for several days. Since the new server will not have any ...
0
votes
0answers
71 views

Keycloak - restricting access to /auth

Keycloak 1.7 Standalone I have a tomcat app connected with the keycloak adapter. As soon my app is invoked it goes to keycloak sso url $KEYCLOAK_URL/auth/realms/$REALM/protocol/openid-connect/auth ...
5
votes
3answers
379 views

How to fine tune TCP performance on Linux with a 10Gb fiber connection

We have 2 Red Hat servers that are dedicated for customer speedtest. They both use 10Gb fiber connections and sit on 10Gb links. All network gear in between these servers fully support 10Gb/s. Using ...
1
vote
2answers
53 views

postgresql on iscsi that refuses to start … on server's boot - Redhat 7.1

I installed a postgresql database on Redhat 7.1 and I decided to move the database on an ISCSI device (LUN) inside a logical volume, mounted at starting of the machine (xfs formatted). The mounting ...
0
votes
0answers
28 views

do not allow multiple sessions if user have different IPs

I am running Red Hat Enterprise Linux 6.6 and for authentication we use LDAP authentication. We have running application on a server (doesn't really matter which one it is) and the way application ...
0
votes
0answers
29 views

dogtag CRL profile

I am attempting to add a CRL Distribution Point to a Dogtag CA Certificate Profile. Using the caServerCert profile as a template, I copied it to a profile named serverCertTest and added the following ...
0
votes
0answers
11 views

If i have satellite subscription in redhat, what other subscription i need to all my servers? [duplicate]

I am having environment of 150 Server, i have satellite server which is having active subscription with redhat. I need to know what kind of other subscription i need for my 140 servers to get latest ...
3
votes
1answer
136 views

Cant enable quotas on XFS file system

I'm trying to enable quotas on Centos 7 I ran yum install quota Edited fstab: /dev/mapper/centos-root / xfs defaults,usrquota,grpquota 0 0 UUID=6c443910-a7e9-4e97-...
0
votes
0answers
77 views

Automout user home directories with ldap

I know this question has been asked earlier. I am still not able to solve this error. Scenario: When user will login to ldap server its home directory will change to /home/guests/username My ...
0
votes
1answer
62 views

AWS port unreachable on REHL

I know there are tons of posts about not being able to connect to an AWS ec2 instance, but this is not quite the same. It is similar to What causes the 'Connection Refused' message? but that ...
1
vote
0answers
34 views

Network Kickstart RHEL 5 vs Kickstart RHEL 6, vmlinuz doesn't support nameservers?

I use PXE + kickstart in conjunction with Foreman, to install new hosts over the network. I've run into a problem while trying to install Red Hat 5. It looks like the older vmlinuz in RH5 does not ...
0
votes
1answer
39 views

RHEL6 and GPG 2.0.14: What is a working keyserver config with proxy?

The documented solution doesn't seem to actually work. The documented solution: In ~/.gnupg/gpg.conf change to use an HTTP keyserver and honor the environment variable http_proxy. The proxy I'm using ...
0
votes
0answers
29 views

In a virtual lab environment, I have a pxe server timing out

I've built a pxe server using CentOS 7. The client times out with a message of: Connection timed out (http://ipxe.org/4c126035) When I look at that link, it says 528 rc = -ETIMEDOUT;, but ...
4
votes
3answers
129 views

how to change the startup order of linux init scripts in Redhat, Centos

From this changing How to change Linux services startup/boot order? changing the values of the symbolic links it is evident that startup order is changed. In debian derivatives we use update-...
2
votes
2answers
367 views

RHEL Nginx SSL versus non SSL performance huge difference.

I'm in the process of setting up an Nginx 1.8 reverse proxy. In short - Serving HTML content HTTP traffic is up to 50x faster than HTTPS. Serving ProxyPass HTTP traffic is up to 7x faster than ...
-1
votes
1answer
52 views

how to find out the clients connects to the proxy server in redhat linux

Is there any way to find out the client machines connected to the particular proxy server in redhat linux , i am using redhat linux version 6 and squid configured in it