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 ...
0
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0answers
20 views
RHEL 6 - how to mount a USB disk after umount it and make it appear in Desktop?
We have implemented a solution to use a USB disk before the system mount it.
To do that we have a rule 89-mount_usb in /etc/udev/rules.d that calls a script (mountUSB.sh).
This script send a message ...
0
votes
3answers
47 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
30 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 ...
1
vote
0answers
12 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
20 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 ...
0
votes
0answers
32 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
1answer
44 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
31 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
27 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 ...
0
votes
0answers
21 views
Low throughput on Vmware workstation virtual machines
I have two RHEL 6.2 virtual machines with core i7 processor. My host is also Dell core i7 laptop. I have connected these two VMs with virtual network editor. I am creating a VPN tunnel across my two ...
0
votes
2answers
30 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
26 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
41 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
44 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
1answer
30 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 ...
1
vote
3answers
63 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 ...
0
votes
0answers
39 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
0answers
22 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 ...
-2
votes
1answer
50 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
134 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 ...
-1
votes
1answer
36 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
45 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
32 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 ...
0
votes
1answer
64 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
47 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 ...
0
votes
0answers
32 views
NFS server without rpcbind
Is there a way to start nfs server without rpcbind service?
I think of it because nfs v4 could work without rpcbind, so I think that actually if NFS server works only with v4, rpcbind might not be ...
1
vote
0answers
25 views
RPM : custom built package weird dependency issue at install time
I have a question concerning RPM packaging.
I have 2 packages, the first one is a dependency for the second one. It means that second one must not install without the first one being already ...
0
votes
0answers
49 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
0answers
63 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 ...
0
votes
1answer
24 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
80 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
41 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
95 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 ...
0
votes
0answers
32 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 ...
0
votes
0answers
68 views
Centos 6.x encrypt $HOME like in Ubuntu 12.04 [closed]
I'm trying to find a way to encrypt $HOME for users on Centos/RHEL 6.x system using ecryptfs, same way it's done on Ubuntu 12.04 (and earlier/later).
So far, I've managed to encrypt $HOME/Private ...
13
votes
1answer
581 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
56 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
106 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 ...
1
vote
2answers
423 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
81 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
39 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
198 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
0answers
98 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 ...
0
votes
1answer
79 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
204 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
179 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
77 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, ...
2
votes
2answers
480 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
138 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 ...
0
votes
0answers
149 views
Unexpected behaviour of bonding when restarting network service
I've configured a bonding on my RHEL 6.3 64bit (Kernel 2.6.32-279.19.1.el6.x86_64) like this (of course i replaced X/Y with numbers):
cat ifcfg-bondX:
DEVICE=bondX
IPADDR=192.168.1.2
...
