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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Why is Linux kdump not writing to /var/crash?

It's happened again! I have 4 servers which are crashing periodically, and there is no information printed to the system logs or the serial console. In addition, the Linux kdump service isn't writing ...
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1answer
33 views

Deploying Ruby Applications In Air Gap (No Internet Access) Network

The current network setup at my job has made it difficult to deploy Ruby web applications. We are running our production RHEL servers in an air gap network with no access to the public internet. My ...
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1answer
34 views

Growing a raid 1 with mdadm

I have a RHEL 6.5 box in which I have recently added two partitions to the a raid 1. It took the the disks without any incidents but I am not able to resize the raid itself. The output of cat ...
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1answer
80 views

Breaking off /tmp using LVM

I've recently been put in charge of a RHEL6 server running our NMS. I don't know much about Linux filesystem administration. What I'm needing to do is create a partition for /tmp, instead of having it ...
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1answer
330 views

RHEL6 Upstart: Flow of Events During Reboot

I have a situation where a RHEL 6.4 server is sending TERM and KILL signals too quickly, before applications and databases have had a chance to gracefully stop. It seems that Upstart is handing ...
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1answer
132 views

Apache forces Cache-Control: private automatically for HTTPS requests

I'm trying to get browsers to cache assets over HTTPS. I am using MD5 fingerprinting method to allow long-term caching and I have this part working OK. What doesn't work is setting the Cache-Control ...
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1answer
123 views

Apache 2.2 Ldap Authantication error 500 - AuthLDAPURL

I have an Apache server on RHEL 6 that uses our active directory for authentication, We added a new "LocationMatch" AuthLDAPURL ...
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1answer
260 views

What are the required permissions to add SPN to Computer account

I am trying to add some RHEL6 boxes to an S2008R2 domain. Part of the process is to create a computer account in AD, then add an SPN to it. Pretty much all guides say that you need Admin privileges ...
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276 views

OpenVZ with RHEL6 kernel & page cache?

After upgrading kernel from debian 2.6.32-openvz-amd64 to RHEL6 2.6.32-042stab035.1, I have problem with kernel page cache. Looks like no OpenVZ containers use page cache and now I have 10-15GB free ...
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54 views

Telnet Postfix on 25 connect but doesn't return any banner

I have configured postfix on RHEL 6.4 and I can connect to postfix on 25 port but no banners return and ehlo doesn't work either. I have uncommented the smtpd_banner line and here it how looks. ...
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100 views

Permissions denied on apache rewrite module virtual host configuration

All of a sudden I keep getting "Permissions denied" on apache 2 virtualhost once we moved it to its own conf file. I have tried all the suggestions I have found here but none work. Please can someone ...
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220 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 ...
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127 views

RHEL 6 iSCSI LUNs

I have a RHEL system set up as an iSCSI target with 2 luns shared out via one target via the following configuration in /etc/tgt/targets.conf (which I built following the commented out examples in ...
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21 views

Specialized access control for directories in RedHat 6?

I have a requirement where I want to set permissions for a directory so that the directory owner (user/group) would be able to create files inside the directory and modify them, but won't be able to ...
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35 views

Can't seem to install pdo-mysql extension on RHEL6 server

I'll try to be clear, I don't have a lot of server experience, but I'll tell you what I know: I'm trying to install Magento on a site, but I kept getting an error, after looking at the error logs, ...
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228 views

kickstart unattended install of OEL 6.5 always asks to check media

My configuration is as follows: Hyper-V 2012 R2 Host Oracle Enterprise Linux 6.5 VM Guest being installed from an iso attached to the VM. I created a kickstart file that I have on a NFS share and ...
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41 views

Unable to access disks in rhel 6.5

I work for a biology lab. We recently bought a new microscope that produces an enormous amount of data - it is simply not feasible to store it on a desktop. So, we bought a storage server - the idea ...
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67 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 ...
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175 views

Foreman-Installer change certificate

Looking to install Foreman for a puppet deployment in my environment. I ran foreman-installer with defaults at first and didn't care for the SSL certificates and URLs being server01.example.com I ...
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53 views

How can I get auditd on RHEL6 to dispatch forwarded messages?

Using RHEL6, I currently have audispd setup to send logs to a remote server. The remote server successfully receives the messages, and writes them to the remote audit log. My problem is, I can't seem ...
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575 views

Mount updates /proc/mount but not /etc/mtab, making partition not show up in df, mount listing

I'm on RHEL 6. I created some partitions using parted, formatted them using mke2fs, and mounted them using mount. I also added them to /etc/fstab. However, they do not show up in the mount or df ...
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108 views

Xvfb on RHEL6 - can't find the package

This looks like an already discussed subject, but, I can't find any solution for it, so, I gonna try it again. I look some questions and try all the given solutions, with no success. I tried to ...
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420 views

Apache died; Suspect is ulimit but cannot reproduce

Apache died last night. Error log shows this [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 48 Browsing around the Internet, everyone seems to say this is is an issue ...
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298 views

mysqld service crashes on restart, after importing mysqldump #innodb

I have 2 mysql servers. Let's call them server01 & server02. Both have the same configuration: mysqladmin Ver 8.42 Distrib 5.1.61, for redhat-linux-gnu on x86_64 [client] ...
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560 views

init 5 kdump fail

Whenever I do a init 5 runlevel. The System goes like this.. Starting portreserve: [ ok ] Starting irqbalance: [ ok ] Starting kdump: [FAILED] ...
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15 views

NFS clients seeing stale state

I have a server exporting partition as: /data/foo *.example.com(rw,sync,all_squash,anonuid=502,anongid=502,subtree_check) ... and client mounting it as: myhost:/data/foo /home/myuser/foo ...
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26 views

RHEL/Centos 6 Cluster multi-site configuration with Pacemaker and split brain situation

I would configure a 4-nodes cluster using RHEL 6.5 and Pacemaker as reported in the official documentation ...
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0answers
10 views

How do I configure multiple gateways using system-config-network-cmd?

I have been working on something where we need to configure the interfaces of a Red Hat Enterprise Linux system using system-config-network-cmd (so that my software does not need to gain vile ...
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26 views

Pure-ftpd 0 bytes Upload

hopefully someone will be able to shed some light on this one. We currently have a Pure-ftpd service installed on a RHEL6.5 server accepting connection from a client who drops files ever X hours. ...
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42 views

rhel 6.4 pip with proxy error : name or service not known

the pip command pip search statsd --proxy=http://anadi.misra:XXXXXXXXX@192.168.200.77:8080 Now my password contains an @ too so I give the encoded form in password; i.e. some@pass is supplied as ...
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27 views

Red Hat Network API connection

I'm creating a perl script that connects to the RHN, however I seem to be struggling. The code I have is this: #!/usr/bin/perl use Frontier::Client; my $HOST = 'xmlrpc.rhn.redhat.com'; my $client ...
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187 views

SSH hangs after authentication

When logging in to one of my servers over ssh, it just hangs after authentication. This is the output on the client with -v. OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 debug1: Reading ...
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107 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 ...
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268 views

dmar: DRHD: handling fault status reg Errors in /var/log/messages

We have One HP Enclosure Gen8 and this server on Bay11 is giving alot of these messages and one second it drops connections and other second it start working. Rest of servers in this enclosure are ...
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114 views

cifs mount not working using fstab on RHEL6

I had a line in my fstab file that until this morning allowed me to read and write to a windows share (dummy IP address is shown below) //111.111.1.111/ecc /mnt/nas2 cifs ...
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57 views

uploadprogress.so is installed, but does not appear in phpinfo

I'm on RHEL6 (Red Hat Enterprise Linux Server release 6.5 (Santiago)), but I've upgraded PHP to version 5.4.16. I've downloaded and installed the PECL uploadprogress library version 1.0.3.1 that is ...
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151 views

Install libxml2.8 on RHEL 6

I want to install the software TinyOWS on a RHEL 6 server. I followed the instructions: $ wget http://download.osgeo.org/mapserver/tinyows-1.1.0.tar.bz2 $ tar xvjf tinyows-1.1.0.tar.bz2 $ cd ...
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79 views

Why does git remote repo only work as root?

I followed this description setting up a git remote git repo. This worked pretty well so far, but only when I use root@mygitserver.com:/gituserhomedir/someproject.git. When I switch to user git@... ...
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37 views

rubygems unavailable after optional rpms enabled

I'm using RHEL6. This morning I had a machine registered with RHN, and now I'm moving forward with a Puppet installation. I've run yum-config-manager --enable rhel-6-server-optional-rpms however, ...
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20 views

Multiple certificates on the OpenLDAP server

We are using OpenLDAP in our server environment with MD5 certificates. I wonder if it's possible to add a certificate that uses SHA-256/512 encryption instead. This way we can use both MD5 and ...
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62 views

Assistance required configuring /server-status on apache — keeps getting caught in redirects

Good Morning, I'm trying to configure server-status on my servers, so that I can connect them to Solar Winds monitoring. (No jokes, it's not my choice!) I thought that I could just drop a new .conf ...
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64 views

strange behavior start / stop scripts apache

I noticed a strange behavior of Apache on my own Amazon installation of a RHEL 6.4. After launching a Red Hat Enterprise Linux 6.4 AMI I installed the http package with yum, configured apache, and ...
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210 views

Setting up computational cluster using infiniband fails

My task: I need to assemble computational cluster, consists of two nodes using infiniband technology. When I try to start mpirun ... for two nodes, the process hangs. If i try to use flag ...
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0answers
140 views

File descriptor limit RHEL (Scientific Linux) with PHP Server

I want to serve with a PHP more than 1024 Clients! I dont have a apache! When I run the script I come in to a issue once I have more than 1023 Clients connected! I have exactly this issue: ...
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226 views

RHEL6 Apache mod_fcgid PHP localhost

I have disabled mod_php on a RHEL6 apache server and installed mod_fcgid. PHP test scripts (info.php) work on the localhost. I know this since info.php returns the apache api as Server ...
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84 views

Logrotate 'nocompress' not honoured

Using RHEL6.1 & logrotate 3.7.8-12. I'm able to use logrotate & rotate my files. What I don't want is compression. For some reason, even after specifying 'nocompress', some files are getting ...
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203 views

Upgrade PCRE to v8 on Red Hat 6.3

The latest version of PCRE available in the Red Hat Enterprise Linux 6.3 repo is v7.8 and the latest version of PHP available is 5.3.3, compiled against that external PCRE v7.8 library. (PHP normally ...
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526 views

Yum install packages to an alternate directory, without chroot?

I would like to use the Foswiki yum repository to install Foswiki (296 packages). The default installation path is /var/lib/, but I want to install it to an alternate location at /opt/www/. In the ...
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417 views

Is it reasonable to expect Sun Java 6 to be supported for the life of RHEL 6?

I'm in the planning stages of a java application that we're targeting for Red Hat Enterprise Linux 6. Unfortunately, we're stuck at RHEL 6.1 which does not ship the java-1.7.0-oracle package set ...
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195 views

PHP potential issues with compiling 5.3.8 extensions against RHEL 6 / CentOS 6 PHP 5.3.3 package

I'm working on getting a Red Hat 6 LAMP server going and while the PHP that comes with it has many extensions we use, it doesn't have all of them. To solve this, I was thinking about either ...