Red Hat Enterprise Linux version 6 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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1answer
1k views

pam_tally2 being called before Password entry

Based on the suggestion given in: Account Lockout with pam_tally2 in RHEL6 I have come to a working configuration, wherein account is getting locked out after 3 failed logins. Catch is that ...
3
votes
6answers
8k views

Nagios NRPE: Command “my_command” not defined

I have installed Nagios® Core™ 3.5.1 and NRPE v2.14 on my client which running RHEL 6.3 I have this error message on my Nagios NRPE: Command 'check_mysql_connections' not defined On my nrpe.cfg I ...
4
votes
2answers
2k views

TigerVNC + SSH without a VNC Password?

I have a RHEL 6 system with TigerVNC installed. It is configured to only allow VNC connections through SSH. Thus, a user can only connect to VNC if they successfully establish an SSH connection to ...
0
votes
0answers
4 views

Prohibit yum from extracting a file

On RHEL6, the package nginx from EPEL installs these two files into /etc/nginx/conf.d: /etc/nginx/conf.d/default.conf /etc/nginx/conf.d/ssl.conf I can remove these files, however when upgrading ...
0
votes
1answer
2k views

RHEL 6.6: [Errno 14] PYCURL ERROR 22 - “The requested URL returned error: 403 Forbidden”

First of all, it's the first time I setup RHEL machines, I'm more used to Debian. We're installing many machine at the same time. We've upgraded from RHEL 6.3 to RHEL 6.6 and we're now trying to ...
1
vote
1answer
12 views

Enable SCL python27 so other RPMs can see it

Trying to create an RPM that uses Python 2.7 on a RHEL 6 machine. I'm using SCL to enable Python2.7 and building the RPM with it fine. However, when I try to install that RPM on a different system ...
1
vote
0answers
30 views

Openldap configuration on RHEL 6.6 client

We have a shell script which runs perl program to connect to LDAP server and make entries. This is the only script which uses ldap. This server is hosting all batch related files and run batch jobs ...
1
vote
1answer
3k views

RHEL hangs after starting virt-who succesfully

Idea #1: Is there a way to REPAIR an RHEL 6.2 installation? During the start-up procedure, after a recent forced reboot, my Linux machine (RHEL 6.2) hangs right after successfully starting virt-who....
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votes
0answers
34 views

Apache reverse proxy sending FIN after 7 seconds from connection handshake

We have a reverse proxy with client certificate authentication. The authentication is done by unlocking the token with a PIN, but if the user takes longer than 7 seconds, Apache sends a FIN to browser ...
3
votes
2answers
984 views

munin requires perl(RRDs)

I'm in RHEL6.3 and I'm installing munin from epel http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm I already solved all dependencies except this one : Error: Package: ...
2
votes
1answer
1k views

JBoss EAP 6.2 on RHEL 6: ./bin/init.d/jboss-as-standalone.sh hangs while calling via SSH

I'm using jboss-as-standalone.sh to manage JBoss EAP standalone as a service. I can start/stop the service with "service jboss-as-standalone.sh start/stop" while I'm on a terminal. But I would like ...
0
votes
0answers
93 views

How to add a certificate to the keystore

As part of some changes required by PayPal I need to discontinue using the VeriSign G2 Root Certificate and use the G5 Root Certificate. The server is running Red Hat Enterprise Linux Server 6.6. I ...
0
votes
0answers
18 views

How to share /Volumes from a mac on nfs

I need to share the "/Volumes" directory and all it's mounted point to a linux client but it doesn't seems to work. I don't want to share every mount point on this mac because it's a workstation with ...
5
votes
5answers
47k views

How do I install the main repositories for RHEL6

We've setup RHEL6 on a new server. As far as we can tell, our subscription is all setup properly. However, when I run yum repolist, it doesn't show any repositories. /etc/yum.repos.d/redhat.repo is ...
6
votes
3answers
10k views

Understanding RedHat's recommended tuned profiles

We are going to roll out tuned (and numad) on ~1000 servers, the majority of them being VMware servers either on NetApp or 3Par storage. According to RedHats documentation we should choose the ...
0
votes
1answer
18 views

Configuring RHEL 6.6 repositories

I've been given a RHEL 6.6 system which seems poorly configured - there is no subscription-manager tool available and network access has been restricted upstream. I was able to obtain outbound HTTPS ...
-1
votes
1answer
30 views

Record and replay HTTP requests/posts between a given period of time (Apache)

Disclaimer: I know that what I'm about to ask is not even close to best practices but due to very specific requirements, I see this as probably one of very few solutions. Context: We wish to ...
0
votes
1answer
39 views

Error no 14 while installing PostgreSQL using yum

I am trying to install PostgreSQL on RHEL 6.3 using yum. I am getting a error while installing postgreSQL using yum. Command: yum install postgresql95-server postgresql95 Error: Loaded ...
0
votes
1answer
210 views

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 ...
0
votes
1answer
27 views

Globbing based on current directory

Ran into some strange behavior today. Wondering if anyone here can tell me what is behaving differently. Environment is a RHEL 6.7 server. I run the following command: yum list installed *mysql* If ...
9
votes
2answers
4k views

How do I make a persistent domain with virsh?

virsh create somefile.xml creates my machine just fine but when I shut the machine down the whole thing disappears. Machines I made with the virt-manager GUI are persistent (stick around after ...
0
votes
0answers
28 views

yum-cron emails going to root instead of specified user

I have several RHEL 6 servers that I have configured yum-cron to run on. I have configured them to send email output to my address. The problem is that all but one of the servers are still ...
0
votes
2answers
1k views

How can I install the latest Image Magick on RedHat Enterprise 6.6?

I am trying to install the latest ImageMagick (at least 6.8) from the RPM's available here on my RedHat Enterprise server Distributor ID: RedHatEnterpriseServer Release: 6.6 Codename: ...
1
vote
0answers
21 views

Mount a Windows share on Linux boot without storing the password

Is there a way to do this? Most examples store the credentials in an external file to fstab e.g. - fstab: \\server\share /media/windowsmount cifs credentials=/root/secret.txt,_netdev,uid=root,gid=...
5
votes
3answers
4k views

Anaconda kickstart and rootpw option

I've tried a few different methods of generating an encrypted password on SL 6.5, but nothing seems to work for me. I'm not finding any errors anywhere in the various /var/log/anaconda* files, but I ...
3
votes
4answers
11k views

Default gateway is in different subnet. How to configure in RHEL6.2

I have two subnets routed to my server from ISP. I have only one gateway ip. The gateway is on the same VLAN as my IP address. For example netowrk 1 is 1.0.0.0/24 and network 2 is 2.0.0.0/24. Both are ...
0
votes
1answer
15 views

RHEL 6.4x64 /etc/profile is not executed as a simple user

We have an ibm HPC cluster, with two admin nodes (rhel 6.4x64), they are both attached to an NFS server for shared objects, like home directories. A few days ago, we had an incident and now we have a ...
-1
votes
1answer
20 views

Blocking a specific external IP:Port connection in RedHat?

I know that in RedHat, in the IP tables I can block incoming connections to a local port. I can also block connections from a specific IP. But is it possible to block a connection from a specific IP ...
94
votes
6answers
197k views

What version of RHEL am I using?

From the shell and without root privileges, how can I determine what Red Hat Enterprise Linux version I'm running? Ideally, I'd like to get both the major and minor release version, for example RHEL ...
0
votes
2answers
238 views

How to install jq on RHEL6.5

There's seems to ready yum package. So I've downloaded the tarball, but as soon as I ran autoreconf -i , I got the following: configure.ac:14: warning: macro `AM_PROG_AR' not found in library ...
0
votes
1answer
40 views

refreshonly not working with Puppet exec resource

I am using the following user resource to create a unix user and then set an initial password for the user. I then performed an exec with chage command to force the user to change his password after ...
0
votes
1answer
86 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
votes
0answers
18 views

completely remove chef off my server

I am trying to install chef onto my RHEL6 machine. I have followed a old guide that is not relevant and I am getting some errors now and I want to fully wipe chef off this server. I tried following ...
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 ...
0
votes
0answers
39 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
0answers
24 views

Best way to limit size of named.stats file - RHEL 6.7/BIND 9

We have a RHEL 6.7 server running Bind 9.8.2. The statistics dump file is growing extremely large and bind, at least this version of bind, does not allow or have a directive to limit the size of the ...
1
vote
2answers
4k views

Nagios CHECK_NRPE: Error receiving data from daemon. RHEL 6

So I'm trying to set up a Nagios check_load service on a Red Hat server. I followed the documentation from Red Hat to install the NRPE client: https://access.redhat.com/documentation/en-US/...
1
vote
1answer
35 views

Using Puppet user resource to create mutlple users

I have written the following snippet below using user resource in puppet to create unix users . node 'node2.example.com','node3.example.com'{ user { 'askar': ensure => 'present', ...
1
vote
1answer
42 views

Compare two Linux servers for network configurations [closed]

Some guys did initial setup of servers and they moved on now we see lot of network issues on new servers I want to find a way to compare servers ( New vs old ) to check any specific tuning which was ...
90
votes
2answers
45k views

IPTABLES - Limit rate of a specific incoming IP

I do not wish to limit the rate of a specific service. My goals is to limit rate based solely on the incoming IP address. For example using a pseudo-rule: john.domain.local (192.168.1.100) can only ...
0
votes
0answers
41 views

Configuring tacacs privilege levels and permissions on RHEL 6 server

I am setting up tac_plus on RHEL 6 and I would like some feedback on what I have configured so far, as I am still a bit confused on whether or not assigning privilege levels still means that I need to ...
2
votes
0answers
60 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'...
1
vote
0answers
397 views

VSFTPD won't allow upload to mounted (Shared) Directory. RHEL6

I'm trying to configure VSFTPD, for each user to have a PublicFTP directory, since all users are chrooted, but they still need a central FTP dir. I've created this directory in each of the local ...
0
votes
0answers
142 views

tc add delay by specific port

Am trying to simulate WAN latency between an application server and an Oracle database server. The database server itself runs several instances, one of which is my applications 'local' instance, ...
0
votes
1answer
28 views

Opening ports on a remote DB server

I'm running a RHEL7 box, running MySQL-5.7.11 and I'm simply trying to allow remote connections... I followed the documentation here on opening a port and have done so successfully. When I run ...
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
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 ...
12
votes
3answers
11k views

How to free up space on RHEL6 /boot safely?

I am trying to do yum update on RHEL 6 box and I am getting this error message Transaction Check Error: installing package kernel-2.6.32-279.9.1.el6.x86_64 needs 10MB on the /boot filesystem ...
1
vote
2answers
94 views

Error: Package: libmodule-10.0.0.1826-b10_0_0_1826.x86_64 (installed)

I am getting the following messages when running yum update on my RHEL 6 server. I have tried searching on the libmodule-10.0.0.1826-b10_0_0_1826.x86_64 package and dependencies but can't find a ...
0
votes
0answers
13 views

localuser.sh hanging in RHEL

As per my need i want to do the following on startup of RHEL. a) add route to path b) start an application name myapp stored in /root/Desktop/app for this i made a shell script named startMyApp in /...