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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2answers
480 views

RHEL6: Specify Rescue Method from initrd append options

I have a PXE menu configuration that I'm working on. It incorporates the RHEL6 Rescue option in order to perform repairs after booting from the network. The Rescue boot environment asks three basic ...
-5
votes
1answer
312 views

What are equivalent parameters of adduser debian command in RHEL6? [closed]

None of this options doesn't exist in RHEL6. /usr/sbin/adduser --disabled-login --gecos 'GitLab' git What is equivalent parameters for disabling account (no locking, it's different) and adding ...
2
votes
5answers
1k views

Server freezes while installing Redhat Enterprise Linux Server 6

We've tried both the first options Install or upgrade an existing system Install system with basic video driver When trying option #1, it gets to a screen that has a solid cursor about halfway ...
2
votes
1answer
673 views

Unable to set proxy to “subscription-manager repos --list” -command

I have RHEL6 system that is registered to rhn via subscription-manager. I'am trying to install package java-1.6.0-sun-devel which is in rhel-6-server-optional-rpms repository, According to this Redhat ...
2
votes
1answer
260 views

varnishncsa does not show any output

I have varnsih setup on my RHEL6.x. While the varnish, varnishlog and varnishstats show proper data varnisncsa does not log any data even when run without any options defined. I have lsofed all the ...
0
votes
1answer
6k views

What is the difference between init 6 and reboot on Red Hat / RHEL / CentOS?

In Linux, the init 6 command gracefully reboots the system running all the K* shutdown scripts first, before rebooting. The reboot command does a very quick reboot. It doesn’t execute any ...
1
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2answers
138 views

How can you prompt for the EULA in Kickstart?

I am trying to modify a Kickstart script so that it does not auto-accept the EULA (which it seems to skip right now.)
0
votes
3answers
202 views

Preferred way to add a new name server to a host in Red Hat or CentOS

I am managing a particular host machine, and I would like to locally add a new name server for it to query (i.e. not changing its name server settings via the dhcp server). It seems that there are ...
0
votes
1answer
40 views

How is it determined which name server will be used for a particular interface?

According to the documentation for interface configuration files in RHEL 6, an interface can specify which name server it would like to use by including the directive DNS{1,2}=address . The ...
0
votes
0answers
67 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 ...
1
vote
1answer
205 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 ...
0
votes
0answers
371 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 ...
-1
votes
1answer
3k views

NTP can't synchronise or find a suitable server

The problem I'm trying to solve is that NTP won't synchronize: $ sudo ntpstat unsynchronised time server re-starting polling server every 64 s Edit: Here's some ntpq output: $ sudo ntpq -c ...
1
vote
2answers
944 views

Why is raid-check using so little io bandwidth?

Just out of curiosity, we have a RHEL server running software RAID. There's a cronjob which kicks off a raid data check every so often to check the consistency of the array. From my understanding, the ...
0
votes
2answers
287 views

rpmbuild missing from rhel 6.3

I have a fresh new RHEL 6.3. I cannot access internet and because of this I cannot use yum. I would like to use the RPMs I get from the Red Hat package (2 discs full or RPMS). These are all files ...
0
votes
1answer
280 views

Linux/RHEL Server Down with “xinetd” Alerts?

Suddenly one of my RHEL 6 Server [VM] (serving Apache on it also) went down and when i rebooted it, i saw several of following /var/log/messages as latest before it went down: May 4 08:16:37 ...
2
votes
3answers
5k views

Human readable format for http headers with tcpdump

I would like to view the HTTP headers sent from Apache (listening on port 80) to Tomcat (on port 4080) in a Linux machine. According to Wikipedia, Header fields are colon-separated name-value ...
0
votes
1answer
154 views

Which partition utility's output is correct?

I have Fusion ioDrive2 785GB (731.088 GiB) SSD card. The server is running Oracle Enterprise Linux 6.4 (RHEL6.4 compatible). It is low-level formatted as such: "80% factory capacity" Format ...
0
votes
1answer
2k views

How to enable eth0 on a cloned RHEL VM running in Windows Server 2012?

Due to a critical personnel shortage, I (not a willing sysadmin!) have been given a RHEL 6.1 VM image with the request that it be migrated to a server running Windows Server 2012 with HyperV. The ...
0
votes
1answer
705 views

Error: partition length of 6442450944 sectors exceeds the loop-partition-table-imposed maximum of 4294967295

I'm trying to create a partition on a RHEL 6.3 machine, but parted is giving me the following error: $ sudo parted /dev/vdb mkpart logical 1 Error: partition length of 6442450944 sectors exceeds the ...
0
votes
2answers
584 views

iDRAC7 - discover Host Name, OS Name, OS Version when running RHEL 6?

Just picked up a Dell PowerEdge R720 which comes with an iDRAC 7, and am wondering how to get the host operating system (Red Hat 6) to automatically report the hostname, os name, and os version to the ...
2
votes
3answers
2k views

YUM install tigervnc-server fails on RHEL 6.1

Installing tigervnc-server fails on RHEL 6.1 with the message below. One person recommended installing all of the xorg-x11 packages, but that gives the same message (below too). Do I need to add new ...
1
vote
0answers
959 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 ...
1
vote
1answer
233 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 ...
0
votes
1answer
731 views

partprobe will not work..i have tried everything

I am days before the RHCSA exam and i have noticed i still haven't been able to successfully run partprobe successfully after months on testing and testing and testing..not a single time I have tried ...
7
votes
1answer
566 views

How can I use SELinux to confine PHP scripts?

I want to compartmentalize different PHP applications on my SL6.4 (RHEL 6.4 rebuild) web server so that they cannot access each others' data. It seems that SELinux might be able to do this, but I am ...
0
votes
1answer
4k views

How to install latest nodejs package on Red Hat Enterprise Linux 6?

Would this sequence of commands work for RHEL? apt-get install python g++ make mkdir ~/nodejs && cd $_ wget -N http://nodejs.org/dist/node-latest.tar.gz tar xzvf node-latest.tar.gz && ...
0
votes
2answers
74 views

How do I set the Red Hat hostname at boot via a script?

In our computing environment we have a number of virtual machines running Red Hat Enterprise Liunx 6 that need to set their hostname programmaticly when they boot for the first time. Currently they ...
1
vote
1answer
81 views

How to centrally manage routing info?

I'm trying to build a VPN setup, where there are several Road-Warriors (various OSes) want to communicate to internal network behind a VPN gateway. The key facts are these: Internal network is ...
3
votes
1answer
2k views

Errors using new rsyslog template syntax on RHEL6

I'm migrating our rsyslog config from an old server to a new one, and thought I'd use the opportunity to tidy up our config. The old config used "legacy" template definitions, and the rsyslog doc on ...
1
vote
0answers
132 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 ...
2
votes
1answer
4k views

What does this RPC error message mean?

I have OS RHNL release 6.2 and use the NFS service (nfs-utils-1.2.3) to connect to NFS server, And found a lot of messages in a file /var/log/messages: Apr 1 11:08:35 XXX rpc.idmapd[3010]: ...
0
votes
0answers
164 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: ...
0
votes
1answer
143 views

Why doesn't build of net-snmp-5.7.2 provide /etc/rc.d/init.d/snmptrapd?

I am packaging an RPM for RHEL6, built from net-snmp-5.7.2.tar.gz. I see that the file /etc/rc.d/init.d/snmpd gets created and packaged but I do not see the init file for /etc/rc.d/init.d/snmptrapd. ...
-2
votes
2answers
663 views

RHEL 6.0 enterprise intallation probelm on hp gen8 server [closed]

i am unable to install rhel 6 enterprise edition on hp dl380p gen8 server. with a p420i raid controller with 512 mb cache. whenever i boot from my media.. after asking for language and keyboard type.. ...
0
votes
1answer
255 views

SSHD on RHEL 6.3: Is it possible to use RequiredAuthentications2 by subnet?

We're implementing RHEL 6.3 and looking to use the dual authentication mechanism provided by RequiredAuthentications2 publickey,password referenced here. What I'm wondering is if it's possible to ...
3
votes
1answer
328 views

Keep RHEL at a particular minor revision level? [duplicate]

I'm working with a large database platform (Or#&%@) that requires a specific revision level of Red Hat Enterprise Linux. In this case, it needs EL6.2 in order to retain support and compatibility ...
14
votes
2answers
2k views

HP DL380p Gen8 (p420i controller) I/O oddity on XFS partitions

On DL380p gen8 servers using XFS on top of LVM on top of raid 1+0 with 6 disks, an identical workload results in a ten-fold increase in disk writes on RHEL 6 compared to RHEL 5, making applications ...
1
vote
1answer
109 views

Recover Crypt password on Partition - RHEL 6

I'm new around here and I'm not sure if this is the right place to post. I was recently asked to bring in a used server from another site of ours. On booting, I found that it has been encrypted using ...
0
votes
4answers
323 views

Yum: List & Remove all devel packages

Devel packages usually contain the headers or other stuff that's necessary for compiling applications. To keep the systems clean and manageable, I'm looking for a command to list all-devel-packages ...
3
votes
4answers
4k views

RHEL 6.x - yum gives “ImportError: No module named cElementTree” errors

I'm making a set of changes to a group of 150 servers. All systems were able to successfully download and install a specific set of RPM's via yum, except for one. One this particular system, all yum ...
2
votes
1answer
330 views

Two RHEL 6 machines with static IP cannot ping each other

I am setting up a few servers for a conference at a hotel. They have setup a separate VLAN for me and gave me 3 static IP's and a DHCP pool of 500. The issue I have is that the two servers can not ...
-1
votes
1answer
51 views

Can I use RHEL packages on CentOS?

Can I use rhel packages on centos? Specifially I am concerned about this repository: http://yum.pgrpms.org/9.1/redhat/rhel-6.3-x86_64/
0
votes
2answers
419 views

Filesystem recommendation for 5 TB file storage

I have a locally attached 5 TB RAID6 system (IBM DS3512). It will be used as a storage for large data files that are written in sequential writes, and then read back for processing. Eventually the ...
0
votes
1answer
297 views

Which graphic drivers should I Install and how?

I have a system on which RHEL6 is installed. I need to install proper graphic drivers. I checked my graphic card simply by this command #lspci -v | grep VGA 00:02.0 VGA compatible controller: Intel ...
-1
votes
1answer
802 views

updates-testing repo for CentOS 6?

What is the equivalent CentOS 6 repo for the updates-testing repo of RHEL/Fedora? I am trying to follow the node.js installation instructions here and am having trouble figuring out what repo to add ...
-1
votes
3answers
881 views

RPM installed but not installed RHEL6

I'm trying to resolve one dependency. Because RHEL6 doesn't contain python-2.4.3, I downloaded the package from RHEL5 and put it into our own repository. Then upon installing it: ... ---> Package ...
1
vote
1answer
626 views

HTTP Request Header limit hard coded in Apache 2.2

I looked up some other question concerning this on SF, they revolved around a maximum limit being set for LimitRequestFieldSize and LimitRequestLine at 8K. httpd's documentation confirms the limit, ...
3
votes
2answers
3k views

Oracle Linux 6 kernel panic boot - anything I can do?

I'm running Oracle Linux 6 on a HP Proliant server. It's been running fine for the last week, but seemed slow earlier so the Oracle service was stopped. Rather than restart the service, I was asked to ...
0
votes
1answer
283 views

What is an active CentOS6 / RHEL6 repository providing icinga? [closed]

There are several CentOS6 repositories listed in the wiki and I checked nearly all of them. Only RPMForge provides icinga / icinga-web, but in v1.7.2 which is fairly outdated and contains several ...