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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3
votes
1answer
48 views

Dynamically Restrict What CPU's a new process runs

So, I've looked briefly at cgroups and numactl, but neither appears, based on the information i have found, to be quite what I need. We use a piece of software, "fast-X", For our users to login to ...
2
votes
1answer
107 views

Puppet's issue: Configure WAN interface, reload network in the process result in broken agent's run

A little background: I want to use puppet to fully configure RHEL6 servers freshly after they have been installed with kickstart, the kickstart itself is fully automatic and provide dhcp-enabled ...
2
votes
0answers
156 views

Why “scope link” ipv6 address can be pinged via interfaces which they are not active on

[root@2_01 ~]# /sbin/ip -6 addr show pubeth0 inet6 2001:1::6/64 scope global inet6 2001:1::1/64 scope global inet6 fe80::20c:29ff:fe69:f9e8/64 scope link [root@v2_01 ~]# /sbin/ip -6 addr show ...
2
votes
0answers
811 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 ...
1
vote
0answers
68 views

ls hangs on NAS mount point

Frequently we are running into this problem. our NAS mount points works perfectly and all of sudden it hangs. when we go and do ls hangs the terminal. strace ls /srv/git hangs here ...
1
vote
0answers
86 views

NUMA - all CPU's bound to node 0

I am running Dell PE 815 servers with two 16-core Opteron's, with four memory modules on each, OS - RHEL6, when I've started optimizing it for NUMA operation, found, that all cores are shown as bound ...
1
vote
0answers
176 views

Java Spring application working on one system, dying on almost identical one

Introduction I'm running a third party Java Spring application on RHEL, that refuses to run on machines cloned from a certain RHEL 6.5 template. It just dies on startup with a bogus exception (see ...
1
vote
0answers
433 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 ...
1
vote
0answers
86 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 ...
1
vote
0answers
257 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 ...
1
vote
0answers
760 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 ...
1
vote
0answers
95 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 ...
1
vote
0answers
2k 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
145 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 ...
1
vote
0answers
589 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 ...
1
vote
0answers
427 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] ...
1
vote
0answers
810 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] ...
0
votes
0answers
18 views

File system size different from LV size

I try to build a highly available Red Hat 6.6 cluster. Following is the procedure I followed to create each of 6 shared gfs2 file systems: I first created physical volumes using multipath friendly ...
0
votes
0answers
20 views

can't permanently delete automatic MAC-based inet6 address

Although I never explicitly configured ipv6 on my rhel servers and only have static ipv4 configuration in /etc/sysconfig/network-scripts/ifcfg-eth0, an automatic ipv6 address based on MAC address ...
0
votes
0answers
26 views

RHEL 6.6 pip after python upgrade “ImportError: /usr/local/lib/python2.7/lib-dynload/array.so: undefined symbol: PyUnicodeUCS2_FromUnicode”

I originally have python 2.6 and installed 2.7 and want to use pip to install some libraries like futures (with an s :)). Unfortunately, it seems like pip's libraries has been messed up. When type pip ...
0
votes
0answers
19 views

Multi Path VRRP with keepalived

I'm migrating from an old heartbeat setup to using keepalived at the moment and currently I can't find how to replicate the heartbeat capability of using multiple links as cluster interconnects in ...
0
votes
0answers
15 views

Cannot connect two different networks on rhel6 on 2 virtual NIC's

I have a RHEL6 machine on VMware with 2 Virtual NIC's. The output of the ip's and networks are as below: $ ip a|grep "inet" inet 192.168.17.128/24 brd 192.168.17.255 scope global eth0 inet ...
0
votes
0answers
22 views

MongoDB 3.0 on RHEL 6.5 - Startup fails with WT storageengine

I have MongoDB 3.0 installed on RHEL 6.5. The initial setup was done using MMAPv1 storage engine and works fine. i'm currently trying to switch this installation to a WiredTiger storage engine and ...
0
votes
0answers
46 views

policy based routing on multiple interfaces and default route

I have a server with multiple interfaces connected to different networks. I have eth2 wih ip (10.1.1.1). I have the following routing set: # ip rule list 0: from all lookup local 32765: ...
0
votes
0answers
38 views

Running a DRBD cluster having two different versions

Is it safe to have a cluster composed of two servers one running DRBD 8.0 one running DRBD 8.3 or 8.4 Currently there is only one DRBD server with the 8.0 data. Will the new added server on DRBD ...
0
votes
0answers
184 views

AWS Linux RHEL instance unable to format and load new storage partition

I have an AWS RHEL instance. Following are the storage devices on it: $lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 20G 0 disk xvda1 202:1 0 6G 0 part / I ...
0
votes
0answers
49 views

Apache doesnt start after mod_wsgi re compile

I recently had to rebuild python and mod_wsgi in order to get a django site working. The problem is now apache doesnt start. I'm running RHEL6, and Apache 2.2 This guide is what I followed ...
0
votes
0answers
114 views

What causes ntpq refid CRYP when authentication is successful?

I have five servers that I'm configuring for production use based on a configuration we've recently tested. The servers are RHEL6 with NTP version 4.2.4p8@1.1612-o. Right now, though, I'm trying to ...
0
votes
0answers
54 views

Local MySQL connection using eth0 rather than lo loopback

We've installed MySQL 5.6.22 on RHEL6.6 and noticed terrible performance compared to a previous install on RHEL6.5 and MySQL 5.6.20 The main thing that we've noticed is that all the traffic appears ...
0
votes
0answers
86 views

INFO : task events/2:69 blocked for more than 120 seconds

I'm using RHEL 6.3 running on VMWare vsphere and aproximatively every month there is this error message and application running above hang until I restart the server: "echo 0 > ...
0
votes
0answers
156 views

Utility to list and modify kernel modules loaded during system startup

How do I list all kernel modules loaded while system startup? Is there a user space utility to list and modify the modules loaded during system startup? I am working on RHEL6 Desktop and RHEL6 ...
0
votes
0answers
74 views

Automatically configure networking on new VM in XenServer

We have a base RHEL 6.5 64-bit template that we use to create new VMs in XenServer. Every time we make one, we have to configure: /etc/hosts /etc/sysconfig/network ...
0
votes
0answers
767 views

RHEL 6: packages from server-source repository are invisible/unavailable

There are some RHEL (6) official repositories with source-rpms. E.g. rhel-6-server-source-rpms: # subscription-manager repos | grep -A 4 rhel-6-server-source-rpms Repo ID: rhel-6-server-source-rpms ...
0
votes
0answers
44 views

What is the default behavior when a RHEL 6.x DHCP client fails to renew its address?

I have had experience with some RHEL 6 servers that were found unreachable, and investigation of the console revealed that they had failed to renew their IP address, and eth0 was without an IP. There ...
0
votes
0answers
121 views

Installing cloud foundry on RHEL 6

I am trying to install Cloud Foundry on RHEL 6 VM on our corporate network. All documentation, I have seen is on installing on AWS or vSphere. Is it possible to to install it on a single RHEL 6 VM or ...
0
votes
0answers
371 views

RHEL6: bonding NICs with DHCP reservation problems

I am using a 4 NIC bond with Bonding Mode: transmit load balancing and a port channel is configured on the switch. I have a DHCP reservation for the IP address being used for the bond. I configured ...
0
votes
0answers
964 views

squid authentication error kerberos - windows active directory

I use squid on RHEL6 and I want that authentication is via AD windows 2008, I already joined the server to the windows domain and all users is already seen by wbinfo -u wbinfo -g but wbmin -t show ...
0
votes
0answers
34 views

What is the relationship between iproute2 and distro config files?

For various ip manipulation activities, what is the difference/relationship between iproute2 and modifying the distro's config files? For instance, some sources recommend ip address del for deleting ...
0
votes
0answers
184 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 ...
0
votes
0answers
382 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 ...
0
votes
0answers
156 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. ...
0
votes
0answers
138 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 ...
0
votes
0answers
371 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 ...
0
votes
0answers
199 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 ...
0
votes
0answers
120 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@... ...
0
votes
0answers
50 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, ...
0
votes
0answers
70 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 ...
0
votes
0answers
72 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 ...
0
votes
0answers
455 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
216 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: ...